Lathyrus sativus L.

Common Name : Grass pea
Family : Fabaceae

HABIT

 A MUCH-BRANCHED, STRAGGLING OR CLIMBING, HERBACEOUS ANNUAL; 25-60 CM LONG.

STEMS

QUADRANGULAR WITH WINGED MARGINS. STIPULES ARE PROMINENT, NARROWLY TRIANGULAR TO OVATE WITH A BASAL APPENDAGE.

LEAVES

PINNATE LEAVES ARE OPPOSITE, CONSISTING OF ONE OR TWO PAIRS OF LINEAR-LANCEOLATE LEAFLETS, 5-7.5 X 1 CM, AND A SIMPLE OR MUCH-BRANCHED TENDRIL. LEAFLETS ARE ENTIRE, SESSILE, CUNEATE AT THE BASE AND ACUMINATE AT THE TOP.

FLOWERS

AXILLARY, SOLITARY, ABOUT 1.5 CM LONG, AND MAY BE BRIGHT BLUE, REDDISH PURPLE, RED, PINK, OR WHITE.

FRUITS

PODS ARE OBLONG, FLAT, SLIGHTLY BULGING OVER THE SEEDS, ABOUT 2.5-4.5 CM IN LENGTH, 0.6-1.0 CM IN WIDTH AND SLIGHTLY CURVED; DORSAL PART OF THE POD IS 2-WINGED, SHORTLY BEAKED AND CONTAINS 3-5 SMALL SEEDS.

SEEDS

4-7 MM IN DIAMETER, ANGLED AND WEDGE-SHAPED WHITE, BROWNISH-GREY OR YELLOW, ALTHOUGH SPOTTED OR MOTTLED FORMS ALSO EXIST.