Jepson eFlora
Key to families | Table of families and genera

Key to Descurainia

View taxon page for Descurainia

1. Fruit sparsely hairy at least in youth ..... D. adenophora

1' Fruit glabrous

2. Fruit fusiform, obovate, club-shaped, or ellipsoid (broadly linear, widest distally)

3. Fruit fusiform, obovate, or broadly ellipsoid; seeds 4–12, in 1(2) row per chamber; valve midvein obscure

4. Fruit fusiform, both ends long-acute; style (0.2)0.3–0.6(0.8) mm; stem (1.3)2–10.5(13.5) dm, simple at base, branched distally ..... D. californica

4' Fruit obovate, tip obtuse, acute at base; style 0.05–0.3 mm; stem (0.8)1.5–3.2(4.1) dm, branched throughout ..... D. paradisa

3' Fruit club-shaped (broadly linear, widest distally); seeds 16–40, in 2 rows per chamber; valve midvein prominent ..... D. pinnata

5. Inflorescence axis glabrous, nonglandular ..... subsp. glabra

5' Inflorescence axis sparsely to densely hairy, glandular or not

6. Plant sparsely to densely hairy (canescent), generally glandular; sepals yellow or lavender ..... subsp. brachycarpa

6' Plant densely canescent, generally not glandular; sepals purple or rose ..... subsp. ochroleuca

2' Fruit linear

7. Fruit appressed; pedicel erect to erect-ascending ..... D. incana

7' Fruit not appressed; pedicel widely spreading to ascending

8. Fruit septum with 2- or 3-veined central band; leaves 2- or 3-pinnately lobed ..... D. sophia

8' Fruit septum not veined; leaves 1-pinnately lobed

9. Fruit 3–8(10) mm; petals 0.7–1.2 mm; seed 0.5–0.8 mm; plant not glandular ..... D. nelsonii

9' Fruit (8)12–35 mm; petals 1.7–3 mm; seed 0.7–1.5 mm; plant glandular or not

10. Ultimate segment of cauline leaves oblong to lanceolate, dentate to incised (pinnately lobed); fruit straight or strongly incurved ..... D. incisa subsp. incisa

10' Ultimate segment of cauline leaves linear, entire; fruit straight or ± incurved ..... D. longipedicellata

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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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