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.

FABACEAE

LEGUME FAMILY

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.

HALIMODENDRON

Duane Isely


Species in genus: 1 sp
Etymology: (Greek: salt tree)

Introduced

H. halodendron (L.) Voss

RUSSIAN SALT TREE

Shrub, spiny
Stem sprawling or erect, 1–3 m
Leaves mostly clustered on spurs, even-1-pinnate; main axes and stipules of those subtending spurs becoming woody spines; leaflets 4, obovate to oblanceolate, tips pointed
Inflorescence: raceme, on spurs, 2–4-flowered
Flower: calyx lobes << tube; corolla 15–18 mm, red-purple to pink
Fruit slowly dehiscent, 1.5–2 cm, 0.8–1 cm wide, ellipsoid to obovoid, plump, woody, becoming black; stalk-like base 2–4 mm
Seeds few
Chromosomes: 2n=16
Ecology: Cult land
Elevation: < 200 m.
Bioregional distribution: Great Central Valley, c South Coast (Los Angeles basin)
Distribution outside California: to c US; native to sw Asia
Cult. Weedy.

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