Gomphostemma ovatum - East-Himalayan Horn-Flower

East-Himalayan Horn-Flower is an evergreen perennial herb, with fibrous root system, rootstock, tuber like rhizome. Flowers are borne in leaf axil, 3 to many flowers, 2-5 cm long. Flowers are with fused petals, yellow, 2-4.7 cm, sparsely finely velvet-hairy outside, hairless inside. Flowers are two-lipped, upper lip 7 mm long, 9.5 mm wide, lower lip 1.1 cm long 1.3 cm wide. Flower-tube is 1-1.8 cm long, 4 epipetalous stamens 3.4-3.6 cm long and 1 stigma 3.6 cm long. Sepal-cup is gamosepalous, pale green, 5 lobed, 1-1.5 cm, sparsely hairy. Flowers are born in opposite cyme, subtended by bracts, easily indistinguishable from leaves. Bracts are leaf like small cluster, subtending cyme, involucral bracts, star-shaped hairs, large bracteole exceed the sepal-cup. Stem is four-edged, 15-150 cm tall, whole stem is covered with star-shaped hairs, prostrate or some are erect with roots at the nodes. Leaves are opposite, stalked, leaf blade up to 8-10 cm, leaf margin is sawtoothed with tip pointed, unbranded hair with multicellular base on the upper leaf surface and below star-shaped hairs are present. East-Himalayan East-Himalayan Horn-Flower is found in East Himalaya, from Nepal to NE India.