Higher classification Wallflowers | Rank Species | |
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Similar Wallflowers, Cabbage family, Sisymbrium, Thlaspi arvense, Erysimum cheiri | ||
Treacle mustard erysimum cheiranthoides desc corrected 2012 06 05
Erysimum cheiranthoides (treacle-mustard or wormseed wallflower) is a species of Erysimum native to most of central and northern Europe and northern and central Asia.
Contents
Description
It is a herbaceous annual plant similar in appearance to many other mustards, growing an erect stem 15–100 cm (rarely 150 cm) tall. The leaves are lanceolate to elliptic, 2–11 cm long and 0.5–1 cm broad, with an entire to coarsely toothed margin. The flowers are bright yellow, 5–12 mm diameter, produced in an erect inflorescence. The fruit is a slender cylindrical capsule 1–3 cm (rarely 5 cm) long, containing several small, dark brown seeds.
Distribution
It is widely naturalised outside of its native range, including in western and southern Europe, and North America.
References
Erysimum cheiranthoides Wikipedia(Text) CC BY-SA