Lathyrus ochroleucus |
Lathyrus grimesii |
|
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cream pea, cream vetchling, cream-flower peavine, cream-flower sweet pea, creamy peavine, pale vetchling |
grimes' pea, grimes' vetchling |
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Habit | Herbs perennial, from rhizome, glabrous except calyx ciliate. | Herbs perennial, from rhizomelike rootstock, glabrous. |
Stems | angled, sprawling or climbing, basally branched 0–3 times, 3–8 dm. |
angled, erect, branched 0–2 times basally or from proximal nodes, 0.5–2 dm. |
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. |
1–2 cm; tendrils reduced to bristles; stipules lanceolate to linear, 5–15 × 1–5 mm, much smaller than leaflets; leaflets 4 or 6, paired, blades ovate to obovate, 10–25 × 5–10 mm, surfaces glabrous. |
Inflorescences | 4–10(–13)-flowered, 3–12 cm. |
2–4-flowered, 4–6 cm. |
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. |
14–17 mm; calyx lobes unequal, lateral lobes deltate, shorter than tube; corolla bicolored lavender and white, banner erect, blade longer than claw, wings longer than keel, 1–3 mm; ovary glabrous. |
Legumes | 30–70 × 4–7 mm. |
25–30 × 8–10 mm, stipitate. |
2n | = 14. |
|
Lathyrus ochroleucus |
Lathyrus grimesii |
|
Phenology | Flowering Apr–Jul. | Flowering Jun–Jul. |
Habitat | Moist woodlands, clearings, thickets, glades, meadows. | Talus slopes in sagebrush communities. |
Elevation | 0–1500 m. (0–4900 ft.) | 1800–2600 m. (5900–8500 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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NV |
Discussion | Lathyrus grimesii is known only from the northern Independence Range and southern Bull Run Mountains in Elko County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | Fabaceae > subfam. Faboideae > Lathyrus | Fabaceae > subfam. Faboideae > Lathyrus |
Sibling taxa | ||
Synonyms | L. nevadensis subsp. stipulaceus | |
Name authority | Hooker: Fl. Bor.-Amer. 1: 159. (1831) | Barneby in A. Cronquist et al.: Intermount. Fl. 3(B): 208, plate [p. 211], fig. s.n. [center right]. (1989) |
Web links |