Lathyrus venosus |
Lathyrus cicera |
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bushy vetchling, veiny pea, veiny peavine |
red pea, red peavine, red vetch or pea |
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Habit | Herbs perennial, from rhizome, glabrous or pubescent. | Herbs annual, glabrous. | ||||||||
Stems | angled, sprawling or climbing, basally branched 0–3 times, 4–10 dm. |
winged, sprawling or climbing, basally branched 0–3 times, 2–10 dm. |
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Leaves | 6–18 cm; tendrils well developed; stipules lanceolate to linear, 10–20 × 2–10 mm, much smaller than distal leaflets (less than 1/4 width of distal leaflets); leaflets 8–14, scattered, blades ovate to lanceolate, 25–70 × 10–35 mm, surfaces glabrous or pubescent. |
0.5–2 cm, rachises winged as the stem; tendrils well developed; stipules lanceolate, 10–20 × 2–6 mm, sometimes as wide as leaflets; leaflets 2, blades linear, 20–50 × 1–6 mm, surfaces glabrous. |
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Inflorescences | 5–20-flowered, 6–20 cm. |
usually 1-flowered, 1–4 cm. |
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Flowers | 10–15 mm; calyx lobes unequal, lateral lobes linear-triangular or lanceolate, shorter to longer than tube; corolla blue-purple to rose, banner erect, blade equal to claw, wings equal to keel; ovary glabrous or pubescent. |
10–12 mm; calyx lobes equal, lateral lobes linear-triangular, 2–3 times longer than tube; corolla reddish purple, banner erect, blade equal to claw, wings equal to keel; ovary glabrous, style rotated 90° from ovary axis. |
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Legumes | 20–50 × 3–7 mm. |
20–40 × 5–10 mm, broadly winged on abaxial suture. |
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2n | = 14. |
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Lathyrus venosus |
Lathyrus cicera |
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Phenology | Flowering Apr–May. | |||||||||
Habitat | Disturbed areas. | |||||||||
Elevation | 50–600 m. (200–2000 ft.) | |||||||||
Distribution |
North America
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CA; Europe [Introduced in North America; introduced also in South America (Argentina, Uruguay)] |
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Discussion | Varieties 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lathyrus cicera is cultivated as an ornamental and occasionally escapes. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 11. | FNA vol. 11. | ||||||||
Parent taxa | Fabaceae > subfam. Faboideae > Lathyrus | Fabaceae > subfam. Faboideae > Lathyrus | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Name authority | Muhlenberg ex Willdenow: Sp. Pl. 3: 1092. (1802) | Linnaeus: Sp. Pl. 2: 730. (1753) | ||||||||
Web links |