Commelina paludosa - Swamp Dayflower

Swamp Dayflower is a perennial herb with stems often erect, simple or sometimes branched distally, up to 1 m, hairless or sparsely bristlyulous. Leaves are stalkless; leaf sheath densely brown bristly at mouth and in a line on 1 side, sometimes either hairless with only a few hairs at mouth or hairy throughout. Leaves are lanceshaped to ovate-lanceshaped, 7-20 x 2-7 cm, hairless on both surfaces or above granular hairy and below hairy. Flower-cluster-stalk about 1.2 cm; flowers 1 to several, nearly included in involucral bracts; flower-stalks about 7 mm, twisted. Petals are 3, 0.3-1.5 cm, free, blue, one light blue. Sepals 3, 2-3 mm, membranous, free. Stamens are 6, 4-6 mm, staminodes 0-3. Involucral bracts are often 4-10, forming branch-ends stalkless heads, funnel-shaped, about 2 x 1.5-2 cm, hairless, proximal margins fused, tip pointed or shortly so. Capsule ovoid-spherical, trigonous, about 4 mm, 3-valved. Swamp Dayflower is found Tropical & Subtropical Asia, including the Himalayas. Flowering: August-October.