Articles

Blumea riparia (Blume) DC.

Blumea riparia (Blume) DC.

Family

Compositae

Synonyms

B. chinensis auct. non (L.) DC., B. pubigera auct. non (L.) Merr.

Vernacular Names

Indonesia Tombak-tombak (Malay), jonge areuy, lalangkapan (Sundanese).
Papua New Guinea Mulmul (Wapenamanda, Enga), mungla (Mt Hagen,Western Highlands).
Philippines Katarai (Sulu), lankat (Manobo), pagang-pagang (Cebu        Bisaya).
Laos Phang nhot pang.
Thailand Mu masang, kamu maeng.

Geographical Distributions

From India and Burma (Myanmar) to Indo-China, southern China, Taiwan, Thailand, throughout the Malesian region to the Solomon Islands.

Description

This is a scandent shrub which stems are sprawling, smooth and sparsely puberulous above.

The leaves are simple, narrowly elliptical to narrowly obovate, entire, measures 2.5-13 cm x 1.3-5 cm, rounded base, mucronulate-denticulate margin where both surfaces are hairless or with a few hairs, short petiolate while the petiole is up to 8 mm long.

The capitula is in terminal and axillary, with few-headed racemes, measure 8-18 mm in diametre, up to measuring 2.5 cm long on peduncles, measures 8-10 mm long involucres and 5-seriate. The outer involucral bracts are narrowly ovate while the inner ones are linear-lance-shaped. The bracts are hairy. The marginal flowers are measures 4-5.5 mm long, with 5-8 of disk flowers which are measures 5-6 mm long.

The achene is about 1 mm long, prominently

Ecology / Cultivation

B. riparia is found in thickets, open grassy places, forest clearings, along streams and rivers and in light rain forest, up to 2000 m altitude.

Line Drawing / Photograph

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References

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