Directory       News       Site Map       Home
    Jepson eFlora
Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.


Biennial, perennial herb, erect; hairs simple or 0. Stem: angled. Leaf: basal petioled, rosetted, pinnately lobed, terminal lobe > lateral; cauline dentate or pinnately lobed; middle, distal sessile, base lobed. Inflorescence: terminal; bracts 0. Flower: sepals erect or spreading, base not sac-like; petals yellow, ± clawed. Fruit: silique, linear, dehiscent, unsegmented, cylindric to ± 4-sided or flat parallel to septum; valves strongly 1-veined, glabrous; stigma entire to ± 2-lobed. Seed: 10–40, in 1 row, wingless.
22 species: North America, Eurasia, Australia, northern Africa. (Saint Barbara)

Key to Barbarea

1. Fruit 4.5–8 cm; seeds (34)38–48(52); pedicel width ± = fruit; distal leaves pinnately lobed ..... B. verna

1' Fruit (0.7)1.5–4(4.5) cm; seeds 16–36; pedicel width generally < fruit; distal leaves undivided or lobed

2. Style 0.2–1.2(2) mm, stout; tips of sepals or basal lobes of distal leaves generally with 1–many hairs ..... B. orthoceras

2' Style (1)1.5–3.5 mm, slender; tips of sepals, basal lobes of distal leaves glabrous ..... B. vulgaris


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.