Family: Commelinaceae

Description: 

Perennial herbs; stems erect, often forming dense clusters glabrous. Leaves alternate, sometimes seemingly spirally arranged, dark green adaxially, purple abaxially, oblong-lanceolate, somewhat fleshy, base narrowed and semi-clasping, apex acuminate; leaf sheath sometimes pilose at mouth. Flowers in axillary, pedunculate, simple or forked, many-flowered umbels subtended by 2 large, conduplicate, ovate bracts to 3 cm. Petals white, ovate, 5-8 mm, apex abruptly acute.