Senna italica

Perennial herbs. Stems are woody, solid, usually less than 2 m tall. Young branches and twigs are glabrous or sparsely glabrous and sparsely to densely hairy. Leaves are compound, pinnate, 4-6 leaflets per leaf, spirally, alternate. Leaflets are elliptical, shortly hairy on both sides. There is a small reddish gland between each leaflet pair on the rhachis. Stipules lanceolate-triangular, approximately 3–9 mm long and early spreading –deflexed. Flowers are actinomorphic in axillary racemes inflorescence. Petals are yellow, obovate. Bracts are conspicuously present, but very small in size (up to 5mm long). Stamens are 10 (lower 2 are the largest; 5 are medium-sized; 3 are short and sterile). Fruits are dehiscent, strongly curved, falcate, wrinkled or rugose. Seeds are olive, green or black.