Lathyrus ochroleucus |
Lathyrus hitchcockianus |
|
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cream pea, cream vetchling, cream-flower peavine, cream-flower sweet pea, creamy peavine, pale vetchling |
bullfrog mountain pea, Grapevine Mountains. pea, Hitchcock's sweet pea |
|
Habit | Herbs perennial, from rhizome, glabrous except calyx ciliate. | Herbs perennial, from rhizome, sparsely pubescent. |
Stems | angled, sprawling or climbing, basally branched 0–3 times, 3–8 dm. |
angled, erect or sprawling, basally branched 3–5 times, 1–3 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. |
3–4 cm; tendrils well developed; stipules linear, 5–10 × 1–2 mm, much smaller than leaflets; leaflets 4 or 6, paired, blades linear, 15–50 × 1–5 mm, surfaces sparsely pubescent. |
Inflorescences | 4–10(–13)-flowered, 3–12 cm. |
2 or 3-flowered, 3–6 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. |
8–10 mm; calyx lobes unequal, lateral lobes deltate, shorter than tube; corolla lilac to purple, banner erect, blade longer than claw, wings equal to keel; ovary glabrous. |
Legumes | 30–70 × 4–7 mm. |
40–70 × 4–9 mm. |
2n | = 14. |
|
Lathyrus ochroleucus |
Lathyrus hitchcockianus |
|
Phenology | Flowering Apr–Jul. | Flowering Apr–May. |
Habitat | Moist woodlands, clearings, thickets, glades, meadows. | Washes in sagebrush or pinyon-juniper woodlands. |
Elevation | 0–1500 m. (0–4900 ft.) | 1200–2100 m. (3900–6900 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
|
CA; NV |
Discussion | Lathyrus hitchcockianus is known only from the Bullfrog Hills and Yucca Mountain in Nye County, Nevada, and the Grapevine Mountains of adjacent Inyo County, California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
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 & Reveal: Aliso 7: 362. (1971) |
Web links |