Jepson eFlora
Key to families | Table of families and genera

Key to Rorippa

View taxon page for Rorippa

1. Cauline leaf bases not lobed or clasping ..... R. tenerrima

1' At least some cauline leaf bases lobed or clasping

2. Inflorescence umbel-like in fruit, congested; sepals persistent ..... R. subumbellata

2' Inflorescence elongated, not umbel-like in fruit; sepals generally deciduous

3. Plants papillate; hairs hemispheric, sac-like ..... R. sinuata

3' Plants not papillate; glabrous or hairs cylindric

4. Fruit valves soft hairy; sepals persistent ..... R. columbiae

4' Fruit valves glabrous; sepals deciduous

5. Fruit ± spheric, 1.2–3 mm

6. Perennial herb; pedicel 4–15 mm; petals 3–5 mm; style 1–1.5(2) mm ..... R. austriaca

6' Annual or biennial; pedicel 1.5–3.7(4.3); petals 0.6–1.2 mm; style 0.1–0.7(1) mm ..... R. sphaerocarpa

5' Fruit not spheric, (2)4–18 mm

7. Stem erect, unbranched at base; petals (1.5)1.8–2.5(3) mm ..... R. palustris

8. Stem, abaxial leaf surface densely bristly ..... subsp. hispida

8' Stem, generally abaxial leaf surface glabrous ..... subsp. palustris

7' Stem erect, prostrate to decumbent, or ascending, branches generally few to several from base; petals 0.5–1.8(2) mm

9. Fruit ovoid to pear-shaped; petals erect ..... R. curvipes

9' Fruit linear to oblong; petals spreading ..... R. curvisiliqua

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [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].
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