Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Annual to tree
Leaves generally compound, alternate, stipuled; leaflets generally entire
Inflorescence: generally raceme, spike, umbel or head; flowers sometime 1–2 in axils
Flowers generally bisexual, generally bilateral; hypanthium generally flat or cup-like; sepals generally 5, fused; petals generally 5, free, or the 2 lower ± fused; stamens 1–many, often 10 with 9 filaments at least partly fused, 1 (uppermost) free; pistil 1, ovary superior, generally 1-chambered, ovules 1–many, style, stigma 1
Fruit: legume, sometimes including a stalk-like base above receptacle, dehiscent, or indehiscent and breaking into 1-seeded segments, or indehiscent, 1-seeded, and achene-like
Seeds 1–several, often ± reniform, generally hard, smooth
Genera in family: ± 650 genera, 18,000 species: worldwide; with grasses, requisite in agriculture and most natural ecosystems. Many cultivated, most importantly Arachis , peanut; Glycine , soybean; Phaseolus , beans; Medicago ; Trifolium ; and many orns
Reference: [Polhill & Raven (eds) 1981 Advances in legume systematics; Allen & Allen 1981 Leguminosae]
Family description and key to genera by Duane Isely.


Elizabeth McClintock

Shrub, small tree, unarmed
Stem: twig round in X -section
Leaves ternately 1-compound, alternate, petioled; stipules free or 0
Inflorescence: cluster, peduncled, axillary; flowers 1–4(7)
Flower bilateral; calyx cylindric, upper of 2 lips generally widely 2-lobed, generally ± 1/2 tube length, lower lip shallowly 3-lobed; petals 5, white or generally yellow, banner generally obovate, reflexed or not, keel oblong-sickle-shaped, curved on lower surface, claw generally < 1/2 keel length; stamens 10, filaments fused; style curved upward ± at middle
Fruit dehiscent, generally leathery, black or brown; pedicel short
Seeds few–many, arilled
Species in genus: 30 species: Eur, Canary Islands
Etymology: (Greek: dwarf Cytisus )


C. proliferus (L.) Link

Shrub < 5 m
Stem: twigs hairy
Leaf: petiole generally 5–12 mm, hairy; leaflets 10–30 mm, lanceolate to ovate, upper surface generally glabrous or sparsely hairy, lower surface silky-hairy
Inflorescence: pedicel hairy
Flower: calyx 8–9 mm, silky-hairy, tube 5–6 mm; corolla white, banner ± 15 mm, ± reflexed, ± hairy outside, purple-lined or spotted inside
Fruit 3.5–5 cm, silky-hairy, black
Ecology: Uncommon. Disturbed places
Elevation: < 100 m.
Bioregional distribution: Central Coast, San Francisco Bay Area
Distribution outside California: native to Canary Islands
Synonyms: Cytisus p. L

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