Lathyrus ochroleucus |
Lathyrus holochlorus |
|
---|---|---|
cream pea, cream vetchling, cream-flower peavine, cream-flower sweet pea, creamy peavine, pale vetchling |
thin-leaf pea, thin-leaf vetchling |
|
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 to narrowly winged, sprawling, often branched mid stem (at or just proximal to flowering nodes), 3–10 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. |
6–10 cm; tendrils well developed; stipules lanceolate to linear, 10–20 × 1–8 mm, much smaller than leaflets; leaflets 8–12, usually paired, sometimes scattered, ovate to lanceolate, 20–45 × 15–25 mm, glabrous. |
Inflorescences | 4–10(–13)-flowered, 3–12 cm. |
7–15-flowered, 5–15 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. |
12–14 mm; calyx lobes unequal, lateral lobes linear-triangular, shorter than or equal to tube; corolla cream-white, 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 holochlorus |
|
Phenology | Flowering Apr–Jul. | Flowering Apr–Jun. |
Habitat | Moist woodlands, clearings, thickets, glades, meadows. | Roadside fencerows, stream banks, grasslands, open oak woodlands. |
Elevation | 0–1500 m. (0–4900 ft.) | 50–500 m. (200–1600 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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OR; WA
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Discussion | Lathyrus holochlorus is restricted to the Willamette Valley of western Oregon and at least one site in southwestern Washington. (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 | L. ochropetalus subsp. holochlorus |
Name authority | Hooker: Fl. Bor.-Amer. 1: 159. (1831) | (Piper) C. L. Hitchcock: Revis. N. Amer. Lathyrus, 31. (1952) |
Web links |