Gomphostemma javanicum - Java Gomphostemma

Java Gomphostemma is a herb or shrub, erect, robust. Stems are up to 1.5 m tall, woolly. Flowers are borne in leaf-axils, in crowded, many flowered cymes, nearly stalkless. Bracts and bracteoles are linear-lanceshaped to linear, 7-10 x 1-2 mm. Flowers are white to yellowish, about 3.5 cm, finely velvet-hairy. Flower-tube is about 2 mm wide at base, about 10 m cm wide at throat; upper lip straight, circular, about 6.5 × 7.5 mm; lower lip about 10 mm, middle lobe circular, about 5 mm in diameter, lateral lobes about 4.5 × 6.5 mm. Calyx is bell-shaped, 9-10 x 5-6 mm, densely woolly, dilated and eventually splitting in fruit; teeth triangular, 2-3 mm, apically short needlelike. Leaf-stalks are 1-3 cm, leaf blade 19-21 x 3-9 cm, below densely gray or tawny star-shaped woolly, base wedge-shaped or blunt, margin coarsely sawtoothed to inprominently minutely toothed, tip tapering to blunt. Nutlets are 4, compressed obovoid, 4.5-5.5 x 3.5-4 mm, white, tawny when dry, rough, covered with sparse, star-shaped hairs. Java Gomphostemma is found in densely forested valleys, grassy streamside slopes, ata altitudes of 100-1400 m, in Andaman Is., Assam, Bangladesh, Borneo, Cambodia, China South-Central, China Southeast, East Himalaya, Hainan, Jawa, Laos, Lesser Sunda Is., Malaya, Myanmar, Philippines, Sulawesi, Sumatera, Thailand, Vietnam. Flowering: Apr-July.