Lathyrus vestitus |
Lathyrus angulatus |
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canyon pea, common Pacific pea, Pacific pea, Pacific peavine, Pacific vetchling, wild sweetpea |
angle pea, angle pea vine |
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Habit | Herbs perennial, from rhizome, glabrous or sparsely to densely pubescent. | Herbs annual, glabrous. | ||||||||
Stems | angled to narrowly winged, sprawling or climbing, basally branched 0–4 times, 2–20 dm. |
angled, erect, sprawling, or climbing, basally branched 1–several times, 1–5 dm. |
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Leaves | 4–14 cm; tendrils well developed; stipules lanceolate to linear, 5–25 × 1–10 mm, much smaller than leaflets (more than 1/4 width of distal leaflets); leaflets 6–12, scattered, blades ovate to linear, 12–50 × 5–25 mm, surfaces glabrous or pubescent. |
0.3–1 cm; tendrils reduced to bristles on proximal leaves, well developed distally; stipules lanceolate, 10–20 × 2–4 mm, as wide as leaflets; leaflets 2, blades linear, 20–70 × 1–4 mm, surfaces glabrous. |
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Inflorescences | 5–20-flowered, 5–25 cm. |
1-flowered, 2–7 cm, prolonged beyond flower into tendril-like structure. |
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Flowers | 12–25 mm; calyx lobes unequal, lateral lobes deltate, linear-triangular, or lanceolate and wider distal to base, shorter to longer than tube; corolla cream-white, rose, lavender, blue-purple, or deep wine red, banner erect or reflexed toward calyx tube, blade equal to or longer than claw, wings equal to keel; ovary glabrous or pubescent. |
8–10 mm; calyx lobes equal, lateral lobes deltate, shorter than tube; corolla blue-purple, banner erect, blade equal to claw, wings equal to keel; ovary glabrous. |
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Legumes | 40–60 × 4–7 mm. |
20–40 × 3–5 mm, with indistinct reticulate venation. |
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2n | = 14. |
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Lathyrus vestitus |
Lathyrus angulatus |
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Phenology | Flowering Mar–Jun. | |||||||||
Habitat | Disturbed areas, waste ground. | |||||||||
Elevation | 0–1000 m. (0–3300 ft.) | |||||||||
Distribution |
w United States; nw Mexico
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CA; OR; WA; Europe [Introduced in North America; introduced also in Australia]
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Discussion | Varieties 3 (3 in the flora). (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 | Nuttall in J. Torrey and A. Gray: Fl. N. Amer. 1: 276. (1838) | Linnaeus: Sp. Pl. 2: 731. (1753) | ||||||||
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