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Calycopteris floribunda (Roxb.) Lamk

Calycopteris floribunda (Roxb.) Lamk




Getonia floribunda Roxb, Calycopteris nutans (Roxb.) Kurz

Vernacular Names

Malaysia Pelawas (peninsular).
Cambodia Ksouohs, ta suos, qgnu.
Laos Dok ka deng, ngouang 'soum.
Thailand Kruut (Surat Thani), khaao tok taek (central), nuai sut (peninsular).
Vietnam D[aa]y ch[uw]ng cheo, d[aa]y d[aaf]u m[aaf]u, c[aa]y b[uf] nh[ow]n.

Geographical Distributions

C. floribunda is distributed from India and Burma (Myanmar), through Indo-China and Thailand, to Peninsular Malaysia (Langkawi Island, Penang, Pahang).


This is a large scandent shrub or liana, which can reach up to 10 m long. Its young branchlets are dense with yellow short soft hair.

The leaves are arranged opposite, egg-shaped to narrowly elliptical, 6-17 cm x 2-7 cm, entire and dense with yellow short soft hair, particularly below. The petiole is 0.5-1 cm long while the stipules are absent.

Inflorescence is an axillary and terminal panicle. Flowers are bisexual, yellowish-green and they are about 1 cm long. The receptacle is divided into lower and upper parts. The sepal is with 5 accrescent lobes. Petals are absent. There are 10 stamens in 2 whorls, inserted within the upper receptacle. The disk is cupular. The ovary is inferior with 1-locular while style is subulate.

Fruit is an ellipsoid, 5-gonous and 5-furrowed pseudocarp. It is about 8 mm long, densely villous, crowned by enlarged up to 1.5 cm long sepal-lobes and 1-seeded.

Seed is 5-6 mm long. 

Ecology / Cultivation

In Peninsular Malaysia, C. floribunda occurs in mixed forest, often along riverbanks. In Cambodia, it is locally common in forest edges and in regrowth after deforestation. It may have a shrubby habit, for instance inside the forest, but it may become a liana when more light is available, climbing into the trees.

Line Drawing / Photograph



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

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