Lathyrus aphaca L.:
Canada (North America)
United States (North America)

Canada

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

Distribution: Pakistan; Kashmir; India; Europe, N.Africa; S.W. & C.Asia, often cultivated.

Europe, N. Africa, W. Asia, C. Asia, Himalaya (Chitral to Nepal), India.

Trailing or scrambling annual. Stem not winged, glabrous. Stipules foliaceous, 5-30 mm long, broadly ovate, hastate, rest of the leaf reduced to a tendril. Inflorescence a 1-2-flowered, axillary raceme. Peduncle 1-4 times as long as the stipules. Calyx 3-9 mm long, teeth equal to 3 times as long as the tube. Corolla bright to pale yellow. Vexillum 7-13 mm long. Fruit 18-35 mm long, 4-6 mm broad, glabrous, 4-6-seeded.

Annual, Herbs, Taproot present, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems less than 1 m tall, Climbing by tendrils, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Leaves absent at flowering time, Leaves alternate, Leaves petiola te, Stipules conspicuous, Stipules green, triangulate to lanceolate or foliaceous, Stipules persistent, Stipules free, Stipules cordate, lobed, or sagittate, Leaves compound, Leaves even pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 2, Leaves glabrous or nearly so, Leaves reduced to phyllodia, Flowers solitary in axils, or appearing solitary, Inflorescence axillary, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 5-lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals clawed, Petals orange or yellow, Banner petal ovoid or obovate, Banner petal suborbicular, broadly rounded, Wing petals narrow, oblanceolate to oblong, Wing petals auriculate, Wing tips obtuse or rounded, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens diadelphous, 9 united, 1 free, Filaments glabrous, Style flattened, Style hairy, Style hairy on one side only, Style persistent in fruit, Fruit a legume, Fruit unilocular, Fruit freely dehis cent, Fruit elongate, straight, Fruit exserted from calyx, Valves twisting or coiling after dehiscence, Fruit glabrous or glabrate, Fruit 3-10 seeded, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.

200-1200 m

Foodplant / parasite
conidial anamorph of Erysiphe trifolii parasitises live Lathyrus aphaca

Fl.Per.: February-April.

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Species: 2
Species With Barcodes: 1

Canada

Rounded National Status Rank: NNA - Not Applicable

United States

Rounded National Status Rank: NNA - Not Applicable

Rounded Global Status Rank: GNR - Not Yet Ranked