Lathyrus ochroleucus |
Lathyrus tuberosus |
|
---|---|---|
cream pea, cream vetchling, cream-flower peavine, cream-flower sweet pea, creamy peavine, pale vetchling |
earth-nut pea, earth-nut peavine, tuber vetchling, tuberous pea, tuberous sweetpea |
|
Habit | Herbs perennial, from rhizome, glabrous except calyx ciliate. | Herbs perennial, from tuber-bearing rhizome, glabrous. |
Stems | angled, sprawling or climbing, basally branched 0–3 times, 3–8 dm. |
not winged, sprawling, branched along trailing stems several times, 2–6 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. |
0.5–2 cm; tendrils well developed; stipules filiform-linear, 5–10 × 1–3 mm, much smaller than leaflets; leaflets 2, blades lanceolate, 10–40 × 5–15 mm, surfaces glabrous. |
Inflorescences | 4–10(–13)-flowered, 3–12 cm. |
4–6-flowered, 6–15 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. |
8–12 mm; calyx lobes unequal, lateral lobes linear-triangular, equal to tube; corolla reddish, banner erect, blade longer than claw, wings equal to keel; ovary glabrous, style rotated 90° from ovary axis. |
Legumes | 30–70 × 4–7 mm. |
20–30(–40) × 3–6 mm. |
2n | = 14. |
= 14. |
Lathyrus ochroleucus |
Lathyrus tuberosus |
|
Phenology | Flowering Apr–Jul. | Flowering Apr–Jun. |
Habitat | Moist woodlands, clearings, thickets, glades, meadows. | Roadsides, meadows, fields. |
Elevation | 0–1500 m. (0–4900 ft.) | 50–100 m. (200–300 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
|
CT; IA; IL; IN; KY; MA; ME; MI; MN; MO; MT; NE; NH; NJ; NY; OH; PA; TN; VT; WA; WI; WV; MB; ON; QC; SK; Europe; w Asia [Introduced in North America; introduced also in Pacific Islands (New Zealand), Australia]
|
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) | Linnaeus: Sp. Pl. 2: 732. (1753) |
Web links |