Eurycoma longifolia

Family

Simaroubaceae

Synonyms

None

Vernacular Names

Geographical Distributions

This plant is found in Southern Burma (Myanmar), Indo-China (Cambodia, Laos and Vietnam), Thailand, Peninsular Malaysia, Sumatra, Borneo and the Philippines (subsp. eglandulosa (Merr.) Nooteboom only).

Description

This is a spindly tree or shrub, up to 10 m tall with bisexual flowers on the same tree. It can be without branches, or with a few upright branches and each crowned by an umbrella-like rosette of leaves.

The leaves are up to 100 cm long with leaflets lance-shaped to reverse egg-shaped-lance-shaped size 5-20 cm x 1.5-6 cm.

The petals are lance-shaped to egg-shaped or reverse egg-shaped-oblong size 4.5-5.5 mm x 2-3 mm. It is lately hairy on both surfaces. The styles are rather long with a stalk on the lower surface 5(-6)-lobed stigma and positioned at about 1 mm above the fruits.

The fruit is 10-17(-20) mm x 5-12 mm.

Ecology / Cultivation

E. longifolia is common in the understorey of primary and secondary forest on a wide range of soils and is locally abundant. It is rarely occurs up to 1000 m altitude.

Line Drawing / Photograph

Read More

1) Cultivation

2) Safety

3) Malaysian Herbal Plants

References

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