Lepidagathis incurva Buch.-Ham. ex D.Don

Lepidagathis incurva Buch.-Ham. ex D.Don




Lepidagathis hyalina Nees.

Vernacular Names

Thailand Yaa khon kai (Loei).
Vietnam L[aa]n ch[ut]y, v[ar]y cong.

Geographical Distributions

Lepidagathisincurve is from the subtropical Himalayas, through India, Sri Lanka, Burma (Myanmar), Indo-China, southern China and Thailand, to Peninsular Malaysia and the Philippines.


L. incurve is a perennial, suberect or ascending herb that can grow up to 60 cm tall.

The leaves are lance-shaped-oblong to broadly lance-shaped-ovate, measuring 7-12.5 cm x 2-3.5 cm, entire and minutely hairy while the petiole is 1-2.5 cm long.

The flowers are in spikes up to 3.5 cm long. The petal is about 6 mm long, whitish and brownish-spotted.

The fruit is 5-6 mm long.

Ecology / Cultivation

L. incurva is a variable species in which several varieties have been distinguished. It occurs abundantly on waste ground in northern Peninsular Malaysia and in forests and thickets at low to medium altitudes in the Philippines.

Line Drawing / Photograph



  1. Plant Resources of South-East Asia No.12(3): Medicinal and poisonous plants 3.