Veiny PeaLathyrus venosus
Description taken from Minnesota
Raceme of 10 to 20 pea-shaped flowers on a finely hairy stem arising from a leaf axil, the flower stem shorter than that of the attending compound leaf. Flowers are ½ to ¾ inch long and about 3/8 inch wide, the upper lip (standard) flaring out on the sides, richly lavender/pink with distinct darker veination. The lower lateral wing petals are pale pink to nearly white and enclose the slightly pinker keel underneath. The calyx holding the flower is attached to a short stalk, both can be smooth or covered with fine hairs.
Leaves are compound with 4 to 7 leaflet pairs and a branched tendril at the tip. Leaflets are oval to oblong-elliptic, rounded at both ends, and can also be finely hairy or nearly smooth.
A pair of narrow leafy appendages (stipules) attend the leaves at the axil, the upper portion longer than the lower and pointed at both ends, generally shaped like half of an arrowhead. Stems are distinctly 4-angled, finely hairy to smooth, with multiple stems arising from rhizomatous root system.
