Articles

Cinnamomum sintoc Blume

Cinnamomum sintoc Blume

Family

Lauraceae

Synonyms

Cinnamomum cinereum Gamble, Cinnamomum calophyllum Reinw. ex C. Nees, Cinnamomum camphoratum Blume.

Vernacular Names

Malaysia Medang teja lawang (Peninsular).
Indonesia Huru sintok, wuru sintok (Java).
Thailand Luk kha.

Geographical Distributions

Cinnamomum sintoc is found in Thailand, Peninsular Malaysia, Sumatra, Java, the Lesser Sunda Islands and Borneo. 

Description

Cinnamomum sintoc is a medium-sized to fairly large tree that can grow up to 39 m tall with its bole up to 70 cm in diametre while the buttresses are up to 2 m high. Its bark surface is smooth to shallowly fissured, with lenticels and the inner bark is red with white striations.

The leaves are arranged opposite or subopposite, measuring 7-22.5 cm x 2.5- 8.5 cm with narrowly to broadly wedge-shaped base. The apex is blunt to acuminate, hirsute below and 3-veined. The main veins are prominent while the tertiary venation is reticulate and very faint on both surfaces. The petiole is 0.8-1.8 cm long.

The inflorescence is an axillary or pseudo-terminal panicle. It is 10-15 cm long. The flowers are grey and densely covered with short soft hairs.

The fruit is oblong to ellipsoid, measuring about 1.8 cm x 0.8 cm and seated on a cup-shaped perianth with an entire margin.

Ecology / Cultivation

Cinnamomum sintoc is common in hill forests, but does occur in lowlands and montane forests, up to 2400 m altitude. 

Line Drawing / Photograph

Cinnamomum_sintoc

References

  1. Plant Resources of South-East Asia No 5(2): Timber trees: Minor commercial timbers.