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Key to families | Table of families and genera
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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, shrub, glabrous to densely glandular-hairy. Stem: generally branched from upper nodes. Leaf: petiole 5–45 mm; leaflets 3–5. Inflorescence: raceme, terminal, generally 1–4 cm, generally 5–40 cm in fruit; pedicels 4–20 mm. Flower: often ± unisexual (stamens or pistils vestigial), ± bilateral, parts generally yellow; sepals free or fused, deciduous above base; petal claw 0 to short. Fruit: longer than wide; septum linear to oblong; receptacle stalk-like, reflexed to ascending. Seed: 10–40.Key to Peritoma
6 species. (Greek: cutting all-around, from calyx) [Iltis & Cochrane 2007 Novon 17:447–451]
Annual, densely branched from base, 1–6 dm, green with purple, densely glandular-hairy. Leaf: leaflets 3, 1–3.5 cm, ovate to obovate. Flower: sepals free, generally 4–6 mm, awl-shaped, entire, yellow, deciduous; petals 6–12 mm, oblong, golden yellow; stamens 10–17 mm, yellow, anthers 1.8–2 mm; style 1–3 mm. Fruit: 12–25 mm, 8–12 mm wide, oblong, ± flat, hairy; receptacle 10–18 mm.
2n=40. Alkaline, clay soils, volcanic tuff, dry foothills, often sagebrush scrub; 1200–1500 m. High Cascade Range (Shasta Valley), Modoc Plateau; Oregon, western Nevada. [Cleome platycarpa Torr.] May–Jul [Online Interchange]
Previous taxon: Peritoma lutea
Next taxon: Peritoma serrulata
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 4 2015
Citation for this treatment: [Author of taxon treatment] 2013. Peritoma, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=91910, accessed on Oct 4 2015
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|Geographic subdivisions indicated for the distribution of Peritoma platycarpa|| 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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