|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
Annual, shrub, tree, ill-smelling
Leaves generally 1-palmate, generally alternate, generally petioled; stipules generally minute, often bristle-like or hairy; leaflets 37
Inflorescence: raceme, head, or flowers solitary, generally longer 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: generally capsule, septicidal; valves generally 2, deciduous, leaving septum (frame-like placentas) behind; pedicel generally ± reflexed to spreading
Genera in family: 45 genera, 800 species: widespread tropical to arid temp; some cultivated (Capparis spinosa , caper bush)
Reference: [Ernst 1963 J Arnold Arbor 44:8193]
CA members placed in subfamily Cleomoideae. Alternate family name: Capparidaceae.
Species in genus: 1 sp
Etymology: (A. Wislizenus, plant collector in sw US, born 1810)
Annual or perennial herb, glabrous to puberulent
Stem profusely branched from base, 0.524 dm
Leaf: petiole 325 mm; leaflets generally 3
Inflorescence: raceme, 13 cm, dense, terminal, in fruit 420 cm; pedicels 510 mm
Flower radial; sepals free, ± 2 mm, ± entire, green; petals 2.56.3 mm, elliptic, yellow, ± sessile but tapered to base; stamens 814 mm, yellow; ovary 0.30.6 mm, generally exserted, lobes 2, nearly separate, each generally 1-ovuled, style 25.5 mm
Fruit: nutlets 2; valves deciduous; receptacle stalk-like, reflexed; style elongate but not spine-like
Seeds generally 1 per nutlet
Ecology: Desert washes and flats, fields, roadsides, especially alkaline soils
Elevation: 0800 m.
Bioregional distribution: c&s Sierra Nevada Foothills, San Joaquin Valley, Desert
Distribution outside California: to Texas, nw Mexico
Reference: [Keller 1979 Brittonia 31:333351]
Valuable honey plant.
TOXIC but seldom eaten.
Leaf: leaflets 3 below, 1 (leaf simple) above, 1735 mm, linear-elliptic
Flower: receptacle 514 mm; sepals 11.7 mm, ovate; anthers 1.52.3 mm; style 2.55.5 mm
Ecology: Sandy washes, beach dunes, desert scrub
Elevation: 0200 m.
Bioregional distribution: Sonoran Desert
Distribution outside California: nw Mexico