Lathyrus ochroleucus |
Lathyrus lanszwertii |
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cream pea, cream vetchling, cream-flower peavine, cream-flower sweet pea, creamy peavine, pale vetchling |
aspen peavine, lanszwert's pea, lanszwert's vetchling, Nevada pea, Nevada peavine, Nevada sweet pea, pinewood peavine, Rocky Mountain sweetpea, thick-leaf pea, thick-leaf peavine |
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Habit | Herbs perennial, from rhizome, glabrous except calyx ciliate. | Herbs perennial, from rhizome, glabrous or sparsely pubescent. | ||||||||||||||||
Stems | angled, sprawling or climbing, basally branched 0–3 times, 3–8 dm. |
angled, erect, sprawling, or climbing, basally branched 0–4 times, 1–8 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. |
(0.5–)1–8 cm; tendrils mucronate to well developed; stipules linear to lanceolate, 5–25 × 1–6 mm, much smaller than leaflets; leaflets 2–10, scattered, blades lanceolate or linear, 20–70 × 2–20 mm, surfaces glabrous or sparsely pubescent. |
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Inflorescences | 4–10(–13)-flowered, 3–12 cm. |
2–6-flowered, 2–10 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. |
7–15 mm; calyx lobes unequal, lateral lobes deltate, shorter than tube; corolla white or blue-purple, banner erect, blade equal to claw, wings equal to keel; ovary glabrous. |
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Legumes | 30–70 × 4–7 mm. |
25–45 × 6–10 mm. |
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2n | = 14. |
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Lathyrus ochroleucus |
Lathyrus lanszwertii |
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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 North America
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Discussion | Varieties 5 (5 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) | Kellogg: Proc. Calif. Acad. Sci. 2: 150, fig. 44. (1863) | ||||||||||||||||
Web links |
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