Lathyrus ochroleucus |
Lathyrus delnorticus |
|
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cream pea, cream vetchling, cream-flower peavine, cream-flower sweet pea, creamy peavine, pale vetchling |
Del Norte 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. |
narrowly winged, erect to climbing, basally branched 0–several times, 2–8 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. |
9–13 cm; tendrils well developed; stipules lanceolate, 10–30 × 3–15 mm, sometimes equal to distal leaflets; leaflets 9–12, scattered, blades lanceolate, 30–50 × 5–15 mm, surfaces glabrous. |
Inflorescences | 4–10(–13)-flowered, 3–12 cm. |
8–12-flowered, 7–10 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. |
9–12 mm; calyx lobes unequal, lateral lobes deltate, shorter than tube; corolla cream-white, banner erect, blade longer than claw, wings equal to keel; ovary glabrous. |
Legumes | 30–70 × 4–7 mm. |
30–40 × 3–5 mm. |
2n | = 14. |
= 14. |
Lathyrus ochroleucus |
Lathyrus delnorticus |
|
Phenology | Flowering Apr–Jul. | Flowering May–Jun. |
Habitat | Moist woodlands, clearings, thickets, glades, meadows. | Serpentine areas along rivers and creeks in coniferous and mixed evergreen forests. |
Elevation | 0–1500 m. (0–4900 ft.) | 0–1000 m. (0–3300 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
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Discussion | Lathyrus delnorticus is restricted to Del Norte and western Siskiyou counties in California, and Curry and Josephine counties in Oregon. (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) | C. L. Hitchcock: Revis. N. Amer. Lathyrus, 30, fig. 21. (1952) |
Web links |