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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.


Annual, generally glabrous. Stem: generally ascending to erect, sometimes prostrate when older, generally branched from base, often red-tinged. Leaf: generally many; petiole generally 7–20 mm; leaflets generally 3. Inflorescence: raceme, ± terminal, flowers 1 in leaf axils, or both; pedicel generally 4–25 mm. Flower: parts generally yellow; sepals fused in basal 1/3, generally entire; petals ± sessile, upper 2 often recurved. Fruit: 2–6 mm, often wider than long; septum elliptic to round; receptacle stalk-like. Seed: < 10.
± 10 species: arid western North America. (Diminutive of Cleome) [Holmgren 2004 Brittonia 56:103–106]

Key to Cleomella

1. Receptacle in fruit 0.3–3 mm; petals < 3 mm

2. Flowers 1 in leaf axils; receptacle reflexed in fruit ..... C. brevipes

2' Flowers in racemes, sometimes also 1 in leaf axils; receptacle spreading to ascending in fruit ..... C. parviflora

1' Receptacle in fruit 6–15 mm; petals 3.5–9 mm

3. Plant hairy; older stems prostrate ..... C. obtusifolia

3' Plant glabrous; older stems ascending to erect

4. Branches 0 or generally from lower nodes; leaf elliptic to ovate ..... C. hillmanii var. hillmanii

4' Branches generally from upper nodes; leaf linear-elliptic ..... C. plocasperma


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].
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