Lathyrus clymenum, also called Spanish vetchling, is a flowering plant in the family Fabaceae, native to the Mediterranean. The seeds are used to prepare a Greek dish called fava santorinis. The plant is cultivated on the island of Santorini in Greece and was recently added to the European Union's products with a Protected Designation of Origin.
General description:- Medium to tall hairless annual.
Stem:- 30-100 cm, winged.
Leaves:- With broad leaf-like petiole and rhachis, the lower linear-lanceolate,without leaflets, the upper with 2-4(-5) pairs of leaflets; leaflets 20-60(-80) ? (3-)6-11(-20) mm, linear to elliptical or lanceolate; stipules 9-18 x 2-6 mm, linear to ovate,semi-hastate (with two ± triangular lobes pointed outwards).
Flowers:- Racemes 1- to 5-flowered. Calyx-teeth equal, shorter than tube; corolla15-20 mm, crimson with violet or lilac wings, very rarely pale yellow; style aristate.
Fruit:- Legume 30-70 x 5-12 mm, brown, glabrous, channelled on the dorsal suture,not torulose. Seeds 5-7, smooth; hilum 1/7-1/6 of the circumference.
This plant is useful.
How to get rid of:
The main way to get rid of weeds is mechanical. It is not so much about weeding after planting as about removing old roots.