Erysimum, or wallflower, is a genus of flowering plants in the cabbage family, Brassicaceae. It includes more than 150 species, both popular garden plants and many wild forms. Erysimum is characterised by star-shaped and/or two-sided) trichomes growing from the stem, with yellow, red, pink or orange flowers and multiseeded seed pods.
The RHS Chelsea Flower Show, formally known as the Great Spring Show, is a garden show held for five days in May by the Royal Horticultural Society (RHS) in the grounds of the Royal Hospital Chelsea in Chelsea, London. Held at Chelsea since 1912, the show is attended by members of the British royal family.
Erysimum franciscanum, commonly known as the Franciscan wallflower or San Francisco wallflower, is a plant endemic to the northern California coast, from Sonoma to Santa Cruz Counties. It is a member of the genus Erysimum in the mustard family, the Brassicaceae.
Erysimum mediohispanicum is a perennial short-lived monocarpic herb found in many montane regions of eastern Spain where it is distributed between 800–2,000 m above sea level and inhabits forests, scrublands, and shrublands. It occupies two main regions in the Iberian Peninsula, one in the north and the other in the south-east. Erysimum mediohispanicum may be treated as one of a group or complex of six closely related species, or as Erysimum nevadense subsp. mediohispanicum.
Erysimum nevadense is a perennial short-lived herb endemic to the Sierra Nevada of Spain, although there are some citations in the nearby Sierra de Gádor (Almería). This wallflower occurs between 1,700 and 2,700 m above sea level in subalpine scrublands and alpine meadows. It may be treated as a narrowly circumscribed single species, one of a group or complex of six separate species, or as a more broadly circumscribed species with six subspecies.
Erysimum baeticum is an annual to perennial herb endemic to some mountains in the SE of Spain. This species has two subspecies: Erysimum baeticum bastetanum is found only in the Sierra de Baza, inhabiting the subalpine pine forests, from 1500 to 2000 m. a.s.l.. Erysimum baeticum baeticum is a subspecies endemic to the eastern range of the Sierra Nevada, inhabiting subalpine shrublands. Both subspecies flower during late May thru early July, displaying up to one hundred showy purple flowers arranged in several short stalks.
Erysimum capitatum is a species of wallflower known commonly as the sanddune wallflower, western wallflower, or prairie rocket.
Erysimum cheiranthoides, the treacle-mustard,wormseed wallflower, or wormseed mustard is a species of Erysimum native to most of central and northern Europe and northern and central Asia. Like other Erysimum species, E. cheiranthoides accumulates two major classes of defensive chemicals: glucosinolates and cardiac glycosides.
Erysimum ammophilum is a species of wallflower known by the common name coast wallflower.
Erysimum cheiri, syn. Cheiranthus cheiri, the wallflower, is a species of flowering plant in the family Brassicaceae (Cruciferae), native to Greece, but widespread as an introduced species elsewhere. It is also treated as a hybrid under the name Erysimum × cheiri. It is widely cultivated as a garden plant.
Erysimum menziesii is a species of Erysimum known by the common name Menzies' wallflower.
Erysimum teretifolium is a species of Erysimum known by the common names Santa Cruz wallflower and Ben Lomond wallflower. It is a very rare plant endemic to Santa Cruz County, California, where it grows on inland sand spits, chaparral, and sandstone deposits in the southern Santa Cruz Mountains. It is a California state and federally listed endangered species.
Erysimum popovii is a perennial short-lived herb endemic to several mountain ranges of southeastern Spain, in the Jaén, Granada and Córdoba provinces. This species was discovered in 1926 in Sierra Mágina and it is included in the Red Book of Andalusian Plants, under the category of Insufficient Data. Some accepted synonyms are: Erysimum linifolium subsp. baeticum and Erysimum linifolium sensu Willk., p. min. p.
Erysimum redowskii, synonym Erysimum pallasii, known as Pallas' wallflower, is a low shrub or mid shrub species from the Arctic. It has purple flowers that do not reflect UV.
Erysimum insulare is a species of Erysimum known by the common name island wallflower. It is endemic to coast of southern California, including the Channel Islands. Erysimum insulare grows on coastal bluffs and sand dunes.
Erysimum repandum is a species of Erysimum known by several common names, including spreading wallflower, spreading treacle-mustard, and bushy wallflower.
Erysimum caboverdeanum is a species of flowering plants of the family Brassicaceae. The species is endemic to Cape Verde. It is listed as a critically endangered plant by the IUCN. The species was first described by Auguste Chevalier in 1935 as Matthiola caboverdeana; it was placed into the genus Erysimum by Per Øgle Sunding in 1974. Its local name is cravo-brabo. It is used in traditional medicine.
Erysimum jugicola is a plant of the family Brassicaceae.
Erysimum scoparium is a species of flowering plant in the family Brassicaceae, native to the Canary Islands. It is a shrubby species of wallflower with purplish flowers found at high altitudes.
Erysimum deflexum, the bent treacle mustard, is a herbaceous plant, a member of the family Brassicaceae.
