Lathyrus ochroleucus |
Lathyrus sulphureus |
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cream pea, cream vetchling, cream-flower peavine, cream-flower sweet pea, creamy peavine, pale vetchling |
Brewer's sweet or snub or sulfur pea, Brewer's sweet pea, snub pea, sulfur pea, sulpher pea, sulphur pea |
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Habit | Herbs perennial, from rhizome, glabrous except calyx ciliate. | Herbs perennial, from rhizome, usually glabrous, rarely pubescent. | ||||
Stems | angled, sprawling or climbing, basally branched 0–3 times, 3–8 dm. |
angled, climbing, basally branched 0–3 times, 5–15 dm. |
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Leaves | (2–)3–10 cm; tendrils well developed; stipules somewhat foliose, ovate-lanceolate, 15–35 × 5–20 mm, sometimes equal to distal leaflets; leaflets (5 or)6(–8), usually paired, blades broadly ovate to lanceolate, (20–)25–65 × 10–35(–42) mm, surfaces glabrous. |
9–12 cm; tendrils well developed; stipules lanceolate, 15–25 × 4–10 mm, sometimes equal to distal leaflets; leaflets 6–12, scattered, blades ovate to lanceolate, 25–50 × 10–20 mm, surfaces glabrous or pubescent. |
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Inflorescences | 4–10(–13)-flowered, 3–12 cm. |
9–15-flowered, 6–10 cm. |
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Flowers | 10–15 mm; calyx lobes unequal, lateral lobes lanceolate, usually longer than tube; corolla cream-white, banner erect, blade longer than claw, wings equal to keel; ovary glabrous. |
11–13 mm; calyx lobes unequal, lateral lobes deltate to lanceolate, shorter than tube; corolla orange to yellow-cream, banner erect, blade shorter than claw, wings equal to keel; ovary glabrous. |
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Legumes | 30–70 × 4–7 mm. |
40–70 × 4–6 mm. |
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2n | = 14. |
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Lathyrus ochroleucus |
Lathyrus sulphureus |
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Phenology | Flowering Apr–Jul. | |||||
Habitat | Moist woodlands, clearings, thickets, glades, meadows. | |||||
Elevation | 0–1500 m. (0–4900 ft.) | |||||
Distribution |
AK; IA; ID; IL; IN; MI; MN; MT; ND; NE; NJ; NY; OH; PA; SD; VT; WA; WI; WV; WY; AB; BC; MB; NT; NU; ON; QC; SK; YT
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w United States
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Discussion | Varieties 2 (2 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 | ||||||
Synonyms | L. nevadensis subsp. stipulaceus | |||||
Name authority | Hooker: Fl. Bor.-Amer. 1: 159. (1831) | W. H. Brewer ex A. Gray: Proc. Amer. Acad. Arts 7: 399. (1868) | ||||
Web links |