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FABACEAE (Leguminosae) LEGUME FAMILY

Martin F. Wojciechowski, except as noted

Annual to tree. Leaf: generally alternate, generally compound, generally stipuled, generally entire, pinnately veined Inflorescence: generally raceme, spike, umbel or head; or flowers 1–few in axils. Flower: generally bisexual, generally bilateral; hypanthium 0 or flat to tubular; sepals generally 5, generally fused; petals generally 5, free, fused, or lower 2 ± united into keel (see 3, Key to Groups, for banner, wings); stamens 10 or many (or [1], 5, 6, 7, 9), free or fused or 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, including a stalk-like base (above receptacle) or not. Seed: 1–many, often ± reniform, generally hard, smooth.
± 730 genera, 19400 species: worldwide; with grasses, requisite in agriculture, most natural ecosystems. Many cultivated, most importantly Arachis, peanut; Glycine, soybean; Phaseolus, beans; Medicago, alfalfa; Trifolium, clovers; many orns. [Lewis et al. (eds) 2005 Legumes of the World. RBG, Kew] Unless stated otherwise, fruit length including stalk-like base, number of 2° leaflets is per 1° leaflet. Upper suture of fruit adaxial, lower abaxial. Anthyllis vulneraria L. evidently a waif, a contaminant of legume seed from Europe. Laburnum anagyroides Medik., collected on Mount St. Helena in 1987, may be naturalized. Ceratonia siliqua L., carob tree (Group 2), differs from Gleditsia triacanthos L. in having evergreen (vs deciduous) leaves that are 1-pinnate (vs 1-pinnate on spurs on old stems, 2-pinnate on new stems) with 2–5(8) (vs 7–17) 1° leaflets, commonly cultivated, now naturalized in southern California. Aeschynomene rudis Benth. <Noxious weed>, Halimodendron halodendron (Pall.) Voss <Noxious weed> (possibly extirpated), Lens culinaris Medik. are agricultural weeds. Caragana arborescens Lam. only cultivated. Ononis alopecuroides L. <Noxious weed>, Sphaerophysa salsula (Pall.) DC. <Noxious weed> all evidently extirpated. Cercidium moved to Parkinsonia; Chamaecytisus to Cytisus; Psoralidium lanceolatum to Ladeania. —Scientific Editors: Martin F. Wojciechowski, Thomas J. Rosatti.

Key to Fabaceae

VICIA VETCH

Robert E. Preston & Duane Isely

Annual, perennial herb, unarmed. Stem: generally sprawling or climbing, ridged or angled. Leaf: even-1-pinnate; stipules with an upper and smaller lower lobe, entire to dentate; leaflets 4–many, alternate to opposite (often on 1 plant), linear to ovate; main axis generally ending as tendril. Inflorescence: raceme or cluster, axillary; peduncle or pedicels present; bracts small or 0. Flower: corolla generally lavender to purple, occasionally white or yellow; 9 filaments fused, 1 free; style generally not ± flat, puberulent at tip, all around or especially abaxially. Fruit: dehiscent, generally ± oblong, generally flat; base stalked or not. Seed: >= 2.
± 160 species: North America, Eurasia, South America, Africa. (Latin: vetch) [Steele & Wojciechowski 2003 Adv Legume Syst 10:355–370]
Unabridged references: [Hermann 1960 USDA Handb 168]

Key to Vicia

V. tetrasperma (L.) Schreb. SPARROW VETCH
NATURALIZED
Annual, ± glabrous. Stem: slender, decumbent or climbing, 1–5 dm. Leaf: stipules entire; leaflets 4–10, 0.6–2 cm, linear to elliptic. Inflorescence: > subtending leaf; flowers generally 1–3, at tip, peduncle 1–3 cm, thread-like, often curved. Flower: calyx attachment basal, tube 1–2 mm, lower lobe 0.5–1 mm, lanceolate, upper lobes << lower, deltate; corolla 4–6 mm, pale lavender to light purple. Fruit: 1–1.3 cm, 3–4 mm wide, glabrous; tip rounded, style reflexed; stalk-like base ± 1 mm.
2n=14. Disturbed areas; < 610 m. North Coast, Outer North Coast Ranges, Central Coast, San Francisco Bay Area; United States, southern Canada; native to Europe. Apr–Jul [Online Interchange]

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Next taxon: Vicia villosa

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 31 2014
Citation for this treatment: [Author of taxon treatment] 2013. Vicia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=48100, accessed on Jul 31 2014

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click for enlargement Vicia tetrasperma
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2002 Dean Wm. Taylor

Bioregions in which Vicia tetrasperma occurs 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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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.