"is commonly infected with the white rust fungus ""Albugo canadensis"". Subspecies include: Because ""Erysimum menziesii"" ssp. ""concinnum"" has been included within this species since it received its federal listing as ""Erysimum concinnum"", the species is now technically more abundant than it was then, but there is no current reliable estimate of the species' abundance now. In 1997, there were about 22 occurrences containing 33,000 individuals, not counting ssp. ""concinnum"". A number of forces threaten the species' existence. Minor threats include trampling by hikers and horseback riders, off-road vehicles, and sand mining operations. Many occurrences of the plant are protected from"
"its habitat, it is adapted to some natural forms of disturbance, such as wildfire. A natural fire regime maintains the open clearings and thin litter layer that the plant requires. Other threats include herbicide use and erosion. Although the plant was considered ""fairly common"" as recently as 1942, human activity has since made its habitat unsuitable throughout most of its range. Sisyrinchium dichotomum Sisyrinchium dichotomum is a rare species of flowering plant in the iris family known by the common names wishbone blue-eyed grass, white irisette, and reflexed blue-eyed grass. It is native to North Carolina and South Carolina in"
"Sisyrinchium dichotomum Sisyrinchium dichotomum is a rare species of flowering plant in the iris family known by the common names wishbone blue-eyed grass, white irisette, and reflexed blue-eyed grass. It is native to North Carolina and South Carolina in the United States, where fewer than ten populations remain in four counties. It is threatened by the loss and degradation of its habitat and is a federally listed endangered species of the United States. This plant is a perennial herb producing a clump of branching stems up to 40 centimeters tall with grasslike leaves. The solitary flower has six white tepals"
"Award of Garden Merit. The common name refers to Ellen Willmott, who is said to have carried seeds at all times, planting them in the gardens of fellow horticulturalists. Eryngium giganteum Eryngium giganteum, with the common name Miss Willmott's ghost, is a species of flowering plant in the Apiaceae family. The short-lived herbaceous perennial thistle is native to the Caucasus and Iran in Western Asia. ""Eryngium giganteum"" grows to . It produces branched heads of pale green conical flowerheads surrounded by spiny bracts in summer. The flowers turn blue at maturity. It usually dies after flowering and is therefore normally"
"The lovely scarlet red flowers are borne in dense racemes in spring before leaves and attract numerous birds and insects to the garden. It is hardy to USDA Zone 9b. Erythrina lysistemon Erythrina lysistemon is a species of deciduous tree in the pea family, Fabaceae, that is native to South Africa. Common names include common coral tree, lucky bean tree, umsintsi (Xhosa), muvhale (Venda), mophete (Tswana), koraalboom of kanniedood (Afrikaans), mokhungwane (Sotho) and umsinsi (Zulu). It is regularly cultivated as a tree for gardens and parks. Common coral tree reaches in height, with smooth grayish bark, not corky; hooked prickles"
"Erythronium Erythronium (fawn lily, trout lily, dog's-tooth violet, adder's tongue) is a genus of Eurasian and North American plants in the lily family, most closely related to tulips. The name Erythronium derives from Ancient Greek () ""red"" in Greek, referring to the red flowers of ""E. dens-canis"". ""Erythronium"" includes about 20–30 species of hardy spring-flowering perennial plants with long, tooth-like bulbs. Slender stems carry pendent flowers with recurved tepals in shades of cream, yellow, pink and mauve. Species are native to forests and meadows in temperate regions of the Northern Hemisphere. Two species names were coined using the name ""Erythronium"""
"Eryngium aristulatum Eryngium aristulatum, known by the common names California eryngo and Jepson's button celery, is a species of flowering plant in the carrot family. This plant is native to California and Baja California where it grows in wet places, such as vernal pools and flooded meadows. It is found in coast redwood forest, California mixed evergreen forest, California foothill oak woodland, yellow pine forest, chaparral, coastal sage scrub, coastal salt marsh, and wetland-riparian habitats. ""Eryngium aristulatum"" is a perennial herb with erect, rounded, naked stems, occasionally branching and reaching anywhere from to nearly in height. Leaves appear near the"
"Cirsium Cirsium is a genus of perennial and biennial flowering plants in the Asteraceae, one of several genera known commonly as thistles. They are more precisely known as plume thistles. These differ from other thistle genera (""Carduus"", ""Silybum"" and ""Onopordum"") in having feathered hairs to their achenes. The other genera have a pappus of simple unbranched hairs. They are mostly native to Eurasia and northern Africa, with about 60 species from North America (although several species have been introduced outside their native ranges). Thistles are known for their effusive flower heads, usually purple, rose or pink, also yellow or white."
"Eryngium Eryngium is a genus of flowering plants in the family Apiaceae. There are about 250 species. The genus has a cosmopolitan distribution, with the center of diversity in South America. Common names include eryngo and amethyst sea holly (though the genus is not related to the true hollies, ""Ilex""). These are annual and perennial herbs with hairless and usually spiny leaves. The dome-shaped umbels of steely blue or white flowers have whorls of spiny basal bracts. Some species are native to rocky and coastal areas, but the majority are grassland plants. In the language of flowers, they represent admiration."
"phedima"", and the larvae of the fly genus ""Delia"". The genus is a host of the pathogenic fungus ""Cochliobolus sativus"". numerous species now considered better suited to other genera, primarily ""Cenchrus"" but also a few in ""Echinochloa"" and ""Setaria"" Pennisetum Pennisetum is a widespread genus of plants in the grass family, native to tropical and warm temperate regions of the world. They are known commonly as fountaingrasses (fountain grasses) ""Pennisetum"" is closely related to the genus ""Cenchrus"", and the boundary between them is unclear. ""Cenchrus"" was derived from ""Pennisetum"" and the two are grouped in a monophyletic clade. Some species"
"and farms. For example, they are planted among broccoli plants for protection from several common insect pests. Common names for ""Chrysanthemum cinerariifolium"" include: Common names for ""Chrysanthemum coccineum"" include: Pyrethrum Pyrethrum was a genus of several Old World plants now classified as ""Chrysanthemum"" or ""Tanacetum"" (e.g., ""C. coccineum"") which are cultivated as ornamentals for their showy flower heads. Pyrethrum continues to be used as a common name for plants formerly included in the genus ""Pyrethrum"". Pyrethrum is also the name of a natural insecticide made from the dried flower heads of Chrysanthemum cinerariifolium and Chrysanthemum coccineum. Some members of the"
"used as a remedy against swollen veins. The flower blooms April to August. Cirsium Cirsium is a genus of perennial and biennial flowering plants in the Asteraceae, one of several genera known commonly as thistles. They are more precisely known as plume thistles. These differ from other thistle genera (""Carduus"", ""Silybum"" and ""Onopordum"") in having feathered hairs to their achenes. The other genera have a pappus of simple unbranched hairs. They are mostly native to Eurasia and northern Africa, with about 60 species from North America (although several species have been introduced outside their native ranges). Thistles are known for"
"Pachystoma Pachystoma, commonly known as kunai orchids or 粉口兰属 (fen kou lan shu), is a genus of two species of flowering plants in the orchid family, Orchidaceae. They are deciduous, terrestrial herbs with one or two linear, pleated or veiny leaves and more or less drooping flowers which do not open widely, on a thin, wiry flowering stem. Species in this genus are found in tropical and subtropical Asia to Australia and islands of the southwest Pacific Ocean. Orchids in the genus ""Pachystoma"" are deciduous, terrestrial herbs with a branching underground rhizome and one or two linear, papery, pleated or"
"Chaerophyllum bulbosum Chaerophyllum bulbosum is a species of flowering plant from the carrot family and known by several common names, including turnip-rooted chervil, tuberous-rooted chervil, bulbous chervil, and parsnip chervil. It is native to Europe and Western Asia. It was a popular vegetable in the 19th century. This is a tall annual herb with fringelike divided leaves and large umbels of white flowers. The plant is cultivated on a small scale in parts of Europe for the edible tubers, which look like a dark gray carrot with yellowish-white flesh. After the harvest they are stored for a few months under"
"fibers. The flowers have yellow throats and bright blue corollas with lobes up to a centimeter long. Eriastrum virgatum Eriastrum virgatum is a species of flowering plant in the phlox family known by the common name wand woollystar. It is endemic to California, where it is known the coastline and coastal mountain ranges of Monterey and San Benito Counties. It grows in chaparral and coastal and inland scrub habitat. It is an annual herb producing a thin, usually woolly stem up to about 40 centimeters tall. The leaves are narrow and thick, up to 5 centimeters long, and sometimes divided"
"by seed in autumn or by division of bulbs, depending on species. Some species propagate vegetatively. The plant is also great as a ground cover, as it will spread over several years. Erythronium Erythronium (fawn lily, trout lily, dog's-tooth violet, adder's tongue) is a genus of Eurasian and North American plants in the lily family, most closely related to tulips. The name Erythronium derives from Ancient Greek () ""red"" in Greek, referring to the red flowers of ""E. dens-canis"". ""Erythronium"" includes about 20–30 species of hardy spring-flowering perennial plants with long, tooth-like bulbs. Slender stems carry pendent flowers with recurved"
"thickened callus on the labellum. The World Checklist of Selected Plant Families lists two species of ""Pachystoma"" as at October 2018: Pachystoma Pachystoma, commonly known as kunai orchids or 粉口兰属 (fen kou lan shu), is a genus of two species of flowering plants in the orchid family, Orchidaceae. They are deciduous, terrestrial herbs with one or two linear, pleated or veiny leaves and more or less drooping flowers which do not open widely, on a thin, wiry flowering stem. Species in this genus are found in tropical and subtropical Asia to Australia and islands of the southwest Pacific Ocean. Orchids"
"is ""Lobularia maritima"". The common rockery plant is ""Aurinia saxatilis"". ""Alyssum"" foliage is used as food by the caterpillars of certain Lepidoptera, including the Gem (""Orthonama obstipata""). However, rabbits will not eat it. Alyssum Alyssum is a genus of about 100–170 species of flowering plants in the family Brassicaceae, native to Europe, Asia, and northern Africa, with the highest species diversity in the Mediterranean region. The genus comprises annual and perennial herbaceous plants or (rarely) small shrubs, growing to 10–100 cm tall, with oblong-oval leaves. Alyssum flowers are characteristically small and grouped in terminal clusters; they are often yellow or"
"Byrsonima Byrsonima is one of about 75 genera in the Malpighiaceae, a family of flowering plants in the order Malpighiales. In particular in American English, they are known as locustberries (which also may refer specifically to ""Byrsonima coccolobifolia"" or ""Byrsonima lucida""). Another widely seen common name is serrets or serrettes. ""Byrsonima"" comprises over 135 species of trees, shrubs, and subshrubs found in the New World tropics and subtropics from southern Mexico, southeastern Florida, and the Caribbean to southeastern Brazil. The plants have entire leaves, yellow flowers, and fleshy, edible fruits called nance; ""B. crassifolia"" in particular is known by that"
"greenhouse it needs warm conditions. It is easily propagated from cuttings. According to ITIS, ""Eranthemum pulchellum"" is the only species in the genus Eranthemum although The Plant List accepts 22 species. Eranthemum Eranthemum pulchellum (""Eranthemum nervosum"", English: blue eranthemum, or blue sage) is a strongly branched shrub, popular with gardeners in tropical India and China because of the spikes of flowers that are bright gentian blue - an unusual color in the tropics. The flowers appear from green-and-white veined bracts that remain after the blooms fall, forming a column several inches long. The hairy leaves are large and dark green."
"length. They are light to bright yellow, often with brown veining. The fruit is a dark-colored capsule. Sisyrinchium californicum Sisyrinchium californicum is a species of flowering plant in the iris family known by the common names golden blue-eyed grass, yellow-eyed-grass, and golden-eyed-grass. It is native to the west coast of North America from British Columbia to central California, where it grows in moist habitat, often in coastal areas. ""Sisyrinchium californicum"" is a rhizomatous perennial herb producing a pale green, nonwaxy stem which grows up to about 60 centimeters tall. The herbage turns dark brown or black as it dries. The"
"Sisyrinchium sarmentosum Sisyrinchium sarmentosum is a species of flowering plant in the iris family known by the common names mountain blue-eyed grass and pale blue-eyed-grass. It is native to the Pacific Northwest of North America, where it is known from a part of the Cascade Mountains in Washington and Oregon. This perennial herb grows up to 32 centimeters tall. The grasslike leaves, located around the base of the plant, are linear in shape and up to 20 centimeters long. Each flower has six pale blue tepals with yellow bases. They are a centimeter long or slightly longer. Each has a"
"Erythronium revolutum Erythronium revolutum is a species of flowering plant in the family Liliaceae which is known by several common names, including mahogany fawn lily, coast fawn lily, and pink fawn lily. It is native to the west coast of North America. ""Erythronium revolutum"", a hardy perennial wildflower, grows from an oval-shaped bulb long, producing usually two wide, flat, mottled green leaves near the ground. It is indigenous to Northwest Washington. The plant flowers between March and June. Each bulb sends up a long, naked stalk bearing one or two showy lily flowers. The stalk bows at the end so"
"Erythronium revolutum Erythronium revolutum is a species of flowering plant in the family Liliaceae which is known by several common names, including mahogany fawn lily, coast fawn lily, and pink fawn lily. It is native to the west coast of North America. ""Erythronium revolutum"", a hardy perennial wildflower, grows from an oval-shaped bulb long, producing usually two wide, flat, mottled green leaves near the ground. It is indigenous to Northwest Washington. The plant flowers between March and June. Each bulb sends up a long, naked stalk bearing one or two showy lily flowers. The stalk bows at the end so"
"Chrysanthemum Chrysanthemums (), sometimes called mums or chrysanths, are flowering plants of the genus Chrysanthemum in the family Asteraceae. They are native to Asia and northeastern Europe. Most species originate from East Asia and the center of diversity is in China. Countless horticultural varieties and cultivars exist. The name ""chrysanthemum"" is derived from the ""chrysos"" (gold) and ""anthemon"" (flower). The genus once included more species, but was split several decades ago into several genera, putting the economically important florist's chrysanthemums in the genus ""Dendranthema"". The naming of these genera has been contentious, but a ruling of the International Botanical Congress"
"Cirsium setidens Cirsium setidens, also known as gondre and Korean thistle, is a perennial plant in the genus ""Cirsium"" in the aster family. It grows naturally in submontane and mountainous area in Korean peninsula where its young leaves are used as namul. In Korean, it is called ""goryeo-eongeongkwi"" (, literally ""Goryeo thistle"") and ""gondeure"" (). ""Cirsium setidens"" is a perennial plant up to tall. Radical leaves and lower cauline ones become withered when the flowers bloom. Mid cauline leaves are arranged alternately, ovate or wide lanceolate, green, and long, with tapering end, spiny or even margins, and leafstalks. The upper"
"garden plants, depending on area of the world. Succulent members of the genus such as ""Cissus quadrangularis"" are also found in the nursery trade but tend to be frost tender and are thus not widely cultivated. ""Cissus"" species are used as food plants by the larvae of some Lepidoptera species including ""Hypercompe eridanus"" and ""Hypercompe icasia"". The generic name is derived from the Greek word κισσος (""kissos""), meaning ""ivy"". In the 1980s the genus was split according to some details of the flower. The large caudiciform species were moved to the new genus ""Cyphostemma"". The genus name was established by"
"Ceanothus Ceanothus L. is a genus of about 50–60 species of nitrogen-fixing shrubs or small trees in the family Rhamnaceae. Common names for members of this genus are California lilac, wild lilac, and soap bush. """"Ceonothus"""" comes from a Greek word meaning ""spiny plant"", (""keanōthos""), which was applied by Theophrastus (371–287 BC) to an Old World plant believed to be ""Cirsium arvense"". The genus is endemic to North America, with the center of its distribution in California. Some species (e.g., ""C. americanus"") are found in the eastern United States and southeast Canada, and others (e.g. ""C. coeruleus"") extend as far"
"""arvum"", meaning ""ploughed"", referencing the growth of the plant in arable soil or disturbed areas. The common name ""common horsetail"" references the appearance of the plant that when bunched together appears similar to a horse's tail. ""Equisetum arvense"" creeps extensively with its slender and felted rhizomes that freely fork and bear tubers. The erect or prostrate sterile stems are tall and diameter, with jointed segments around long with whorls of side shoots at the segment joints; the side shoots have a diameter of about . Some stems can have as many as 20 segments. The solid and simple branches are"
"was studied in a limestone quarry near Syracuse, New York between 1976 and 1981. Cohorts of seedlings germinating in the spring exhibited markedly different survivorship patterns (Types I, II, and III were all noted) based on prevailing weather conditions. Erucastrum gallicum Erucastrum gallicum is an annual or biennial plant in the mustard family known by the common names hairy rocket and common dogmustard. It is a low growing plant with an erect upright habit or sometimes with ascending tops with bright yellow flowers. Plants bloom in late spring through the summer into early autumn. As plants bloom the stems extend"
"Sisyrinchium Sisyrinchium is a large genus of annual to perennial plants of the iris family, native to the New World, whose species are known as blue-eyed grasses. Several species in the eastern United States are threatened or endangered. These are not true grasses, but many species have the general appearance of grasses, as they are low-growing plants with long, thin leaves. They often grow on grasslands. Many species resemble irises, to which they are more closely related. Most species grow as perennial plants, from a rhizome, though some are short-lived (e.g. S. striatum), and some are annuals (e.g. ""S. iridifolium"")."
"Eryngium pinnatisectum Eryngium pinnatisectum is an uncommon species of flowering plant in the carrot family, known by the common names Tuolumne eryngo and Tuolumne button celery. The annual or perennial herb is endemic to central California, within areas of Sacramento County, Amador County, Calaveras County, and Tuolumne County. It is known from the eastern Central Valley, and adjacent lower Sierra Nevada foothills. It is a plant of wetlands, in vernal pools, foothill oak woodland (Cismontane woodland), yellow pine forest (Lower montane coniferous forest), freshwater wetlands, and wetland-riparian habitats. ""Eryngium pinnatisectum"" is an erect perennial herb growing up to tall. It"
"Epilobium hirsutum Epilobium hirsutum is a flowering plant belonging to the willowherb genus ""Epilobium"" in the family Onagraceae. It is commonly known as the great willowherb, great hairy willowherb or hairy willowherb. Local names include codlins-and-cream, apple-pie and cherry-pie. It is a tall, perennial plant, reaching up to 2 metres in height. The robust stems are profusely hairy with soft spreading hairs. The hairy leaves are 2–12 cm long and 0.5–3.5 cm wide. They are long and thin and are widest below the middle. They have sharply toothed edges and no stalk. The large flowers have four notched petals. These"