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Annual, perennial herb, shrub, often ill-smelling. Leaf: generally 1-palmate, generally alternate, generally petioled; stipules generally minute, often bristle-like or hairy; leaflets 0 or 3–7. Inflorescence: raceme, head, or flowers 1, expanded in fruit; bracts generally 3-parted below, simple above, or 0. Flower: generally bisexual, radial to ± bilateral; sepals generally 4, free or fused, generally persistent; petals generally 4, free, ± clawed; stamens generally 6, free, exserted, anthers generally coiling at dehiscence; ovary superior, generally on stalk-like receptacle, chamber generally 1, placentas generally 2, parietal, style 1, persistent, stigma generally minute, ± head-like. Fruit: 2 nutlets or generally capsule, septicidal; valves generally 2, deciduous, leaving septum (frame-like placentas) behind; pedicel generally ± reflexed to spreading.
17 genera, ± 150 species: widespread tropics to arid temperate. [Iltis & Cochrane 2007 Novon 17:447–451] Treated as Capparaceae in TJM (1993). —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Ernst 1963 J Arnold Arbor 44:81–93]
Key to Cleomaceae
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.Key to Cleomella
± 10 species: arid western North America. (Diminutive of Cleome) [Holmgren 2004 Brittonia 56:103–106]
Plant hairy. Stem: 1–9 dm, rough, younger ascending to erect, older prostrate, in ± round mat. Leaf: leaflets 5–15 mm, obovate. Inflorescence: on older stems raceme, 1–10 cm, dense, on younger stems flowers 1 in leaf axils. Flower: sepals 1–1.5 mm, ovate, green, hairy, margin long-hairy; petals 4–6(9) mm, dark yellow, abaxially hairy; stamens 8–14 mm, anthers 1.5–2.3 mm; style 1.5–5 mm. Fruit: 3–4 mm, hairy, striate; valves conic to horn-shaped; receptacle 6–8 mm, reflexed.
Desert scrub, sandy, rocky alkaline flats; < 1800 m. East of Sierra Nevada, Desert; western Nevada. Variable; needs study. Apr–Oct [Online Interchange]
Previous taxon: Cleomella hillmanii var. hillmanii
Next taxon: Cleomella parviflora
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 18 2015
Citation for this treatment: [Author of taxon treatment] 2013. Cleomella, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=19753, accessed on Apr 18 2015
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© 2004 James M. Andre
|Geographic subdivisions indicated for the distribution of Cleomella obtusifolia|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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