Dillenia excelsa (Jack) Martelli ex Gilg.

Last updated: 19 May 2015

Scientific Name

Dillenia excelsa (Jack) Martelli ex Gilg.


Dillenia glabra Martelli, Dillenia magnoliifolia Martelli, Dillenia mattadensis Martelli, Dillenia oblonga (Wall. ex Hook.f. & Thomson) Martelli, Dillenia pauciflora (Zoll. & Moritzi) Gilg, Dillenia secunda Hunter ex Ridl., Dillenia tomentella Martelli  [1]

Vernacular Name

Malaysia Simpoh ungu (Peninsular); simpoh laki (Sabah); simpur bukit, simpoh wangi (Sarawak) [2]
Indonesia Sempur segel (Sundanese; Javanese); simpur talang (Sumatra); kendikara (Kalimantan) [2]
Thailand San-dam (Nakhon Si Tham­marat); saen (Songkhla) [2]
Philippines Katmon­layugan [2]

Geographical Distributions

Dillenia excelsa is distributed throughout Peninsular Thailand, Peninsular Malaysia, Sumatra, Bangka, western Java, Borneo and the Philippines (Balabac Island). It occurs commonly in lowland forests, in swampy ar­eas and on hillsides. [2]

Botanical Description

D. excelsa comes from the family of Dilleniaceae. It is a medium-sized to fairly large evergreen tree that can reach up to 40 m tall, with its bole branchless for up to 20 m and measures up to 75 cm in diametre. The buttresses are absent or small, with fissured to papery scaly bark surface and greyish-brown. [2]

The leaves are elliptical to oblong, measuring 15-30 cm x 7-10 cm, with slightly un­dulate to dentate or entire margin and petiole is up to 5 cm long. [2]

The flowers are 7-10 cm in diametre, with 5 sepals and bright yellow petals. The stamens are in 2 distinct groups. The in­ner ones are larger, with purplish anthers, without acu­men and open by pores. [2]

The fruit is dehiscent. [2]

The seed is en­closed at the base by red aril. [2]


D. excelsa plant is variable in hairiness and is subdivided into three varieties. The dark reddish wood is comparatively heavy with a density of 650-1080 kg/m3 at 15 % moisture content and more durable than in other species. [2]

Chemical Constituent

No documentation.

Plant Part Used

No documentation.

Traditional Use

No documentation.

Preclinical Data

No documentation.

Clinical Data

No documentation.


No documentation.

Poisonous Management

No documentation.

Line drawing


Figure 1: The line drawing of D. excelsa (Jack) Martelli ex Gilg. [2]


  1. The Plant List. Ver1.1. Dillenia excelsa (Jack) Martelli ex Gilg.[homepage on the Internet]. c2013 [updated 2012 Mar 23; cited 2015 May 19]. Available from:
  2. Dillenia excelsa (Jack) Gilg. In: Lemmens RHMJ, Soerianegara I, Wong WC, editors. Plant Resources of South-East Asia No.5(2): Timber trees: Minor Commercial Timbers. Leiden, Netherlands: Backhuys Publishers; 1995.