Lathyrus japonicus var. maritimus beach pea Fabaceae LAMA; Q; R;

Lathyrus japonicus var.

Lathyrus japonicus var. maritimus.Robert W. Freckmann Herbarium.University of Wisconsin at Stevens (Accessed 5/2014).

Lathyrus japonicus var. maritimus is a herbaceous perennial vine, colonial from rhizomes, stems to1 m long, stout, winged, usually reclining; stipules leaf-like, broadly egg-shaped 1.5-4 cm long, 1-2.5 cm wide, symmetrical, base lobed. 

Leaves alternate, pinnate, tendril replacing terminal leaflet, leaflets 3-6 pairs, alternate, 3-5 cm long, to about 2 cm wide, oblong to widest above middle, rather fleshy. 

Flowers purple, 1.5-2.5 cm, pea-flower-shaped, bilaterally symmetrical, calyx irregular; inflorescence of 5-10 flowers on a stalk. 

Fruit dry, hollow pods to 7 cm long. 

Wetland status: FACU-. 

Frequency in NYC: Very infrequent. 

Origin: Native. 

Habitat: Beaches above high tide line.