Lathyrus ochroleucus |
Lathyrus odoratus |
|
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cream pea, cream vetchling, cream-flower peavine, cream-flower sweet pea, creamy peavine, pale vetchling |
common sweet pea, gesse odorante, sweet pea, sweet vetchling |
|
Habit | Herbs perennial, from rhizome, glabrous except calyx ciliate. | Herbs annual, glabrous or sparsely pubescent. |
Stems | angled, sprawling or climbing, basally branched 0–3 times, 3–8 dm. |
broadly winged, climbing, basally branched 1–3 times, 8–30 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. |
2–6 cm, rachises winged; tendrils well developed; stipules lanceolate, 10–25 × 2–6 mm, smaller than leaflets; leaflets 2, blades ovate or obovate, 15–50 × 10–40 mm, surfaces glabrous or sparsely pustulose-hirsute. |
Inflorescences | 4–10(–13)-flowered, 3–12 cm. |
2–4-flowered, 10–20 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. |
20–25 mm; calyx lobes equal, lateral lobes linear-triangular to lanceolate, equal to tube; corolla white, pink, purple, violet, or blue, banner erect, blade much longer than claw, wings longer than keel; ovary densely pustulose-hirsute, style rotated 90° from ovary axis. |
Legumes | 30–70 × 4–7 mm. |
50–70 × 8–15 mm. |
2n | = 14. |
= 14. |
Lathyrus ochroleucus |
Lathyrus odoratus |
|
Phenology | Flowering Apr–Jul. | Flowering Apr–May. |
Habitat | Moist woodlands, clearings, thickets, glades, meadows. | Disturbed areas. |
Elevation | 0–1500 m. (0–4900 ft.) | 50–400 m. (200–1300 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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AZ; CA; CT; IL; IN; KY; ME; MI; OH; OK; SC; TN; TX; VA; WV; MB; NF; ON; QC; Europe [Introduced in North America; introduced also in Mexico (México), Asia (China, India), n, e Africa, Pacific Islands (New Zealand), Australia]
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Discussion | Lathyrus odoratus is cultivated as an ornamental and is an occasional escape. (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) | Linnaeus: Sp. Pl. 2: 732. (1753) |
Web links |