Lathyrus vestitus |
Lathyrus vestitus var. ochropetalus |
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canyon pea, common Pacific pea, Pacific pea, Pacific peavine, Pacific vetchling, wild sweetpea |
Bolander's Pacific pea, Pacific pea, Pacific peavine |
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Habit | Herbs perennial, from rhizome, glabrous or sparsely to densely pubescent. | |||||||||
Stems | angled to narrowly winged, sprawling or climbing, basally branched 0–4 times, 2–20 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. |
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Leaflets | blade surfaces glabrous. |
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Inflorescences | 5–20-flowered, 5–25 cm. |
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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. |
12–15 mm; lateral calyx lobes lanceolate, longer than tube; corolla cream-white, banner erect, blade equal to claw. |
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Legumes | 40–60 × 4–7 mm. |
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2n | = 14. |
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Lathyrus vestitus |
Lathyrus vestitus var. ochropetalus |
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Phenology | Flowering Apr–May. | |||||||||
Habitat | Roadside fencerows, grasslands, openings in coastal coniferous forests. | |||||||||
Elevation | 0–800 m. (0–2600 ft.) | |||||||||
Distribution |
w United States; nw Mexico
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CA; OR; WA |
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Discussion | Varieties 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Variety ochropetalus is known from the Puget Sound area southward to northwestern California. (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 > Lathyrus vestitus | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | L. ochropetalus, L. peckii, L. vestitus subsp. ochropetalus | |||||||||
Name authority | Nuttall in J. Torrey and A. Gray: Fl. N. Amer. 1: 276. (1838) | (Piper) Isely: Madroño 39: 96. (1992) | ||||||||
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