Lathyrus ochroleucus |
Lathyrus polyphyllus |
|
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cream pea, cream vetchling, cream-flower peavine, cream-flower sweet pea, creamy peavine, pale vetchling |
leafy pea, leafy peavine, Oregon pea |
|
Habit | Herbs perennial, from rhizome, glabrous except calyx ciliate. | Herbs perennial, from rhizome, glabrous. |
Stems | angled, sprawling or climbing, basally branched 0–3 times, 3–8 dm. |
angled, erect, sprawling, or climbing, basally branched 0–2 times, 4–8 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. |
11–16 cm; tendrils well developed; stipules ovate to lanceolate, 20–30 × 10–30 mm, nearly equal to distal leaflets; leaflets 10–16, scattered, blades ovate to lanceolate, 30–50 × 10–30 mm, surfaces glabrous. |
Inflorescences | 4–10(–13)-flowered, 3–12 cm. |
8–12-flowered, 9–14 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. |
15–18 mm; calyx lobes unequal, lateral lobes linear-triangular, equal to or longer than tube; corolla blue-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. |
= 14. |
Lathyrus ochroleucus |
Lathyrus polyphyllus |
|
Phenology | Flowering Apr–Jul. | Flowering Apr–Jul. |
Habitat | Moist woodlands, clearings, thickets, glades, meadows. | Openings in coniferous forests. |
Elevation | 0–1500 m. (0–4900 ft.) | 0–1800 m. (0–5900 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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CA; OR; WA
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Discussion | Lathyrus polyphyllus is known from in and west of the Cascade Range. Lathyrus ecirrhosus A. Heller (1904), not Philippi (1892), is an illegitimate name that pertains here. (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) | Nuttall in J. Torrey and A. Gray: Fl. N. Amer. 1: 274. (1838) |
Web links |