Compilation of herbal plants (description, geographical distribution, taxonomy, line drawings), biodiversity and herbarium.

Read More
Research & Publication

Description of herbal and T&CM research, searchable publication and process from medicinal plant discovery to clinical trial in producing a high-quality registered herbal drug.

Read More
Traditional & Complementary Medicine (T&CM)


Definition and description of therapies, policy, training and education, research in the practise of (T&CM) and integrated medicine system.           

Read More


News Update

Announcement & Advertisement

Forthcoming Events

International Conference on Traditional Medicine and Phytochemistry 2021

From Mon, 12. July 2021 Until Wed, 14. July 2021

Asian Symposium on Medicinal Plants and Spices XVII (2020)

From Tue, 17. August 2021 Until Thu, 19. August 2021

Alstonia angustifolia Wallich ex A.DC.

Alstonia angustifolia Wallich ex A.DC.




A. latifolia Ridley, A. beccarii (Benth.) Pichon.

Vernacular Names

Malaysia Itai setapoh, pulai (Peninsular), mergalang (Sarawak).
Indonesia Medang pasir (Bangka), pulai pipit (Palembang).
Vietnam s[uwx]a l[as] h[ej]p, l[aas]c.

Geographical Distributions

Peninsular Malaysia, Singapore, Sumatra, Bangka and Borneo.


Alstonia angustifolia is a small to medium-sized tree and measuring up to 35(-45) m tall. The bole is fluted or with small or steep buttresses and measures up to 70 cm in diametre. The outer bark is smooth, fissured or scaly while the inner bark is yellowish and without latex.

The leaves are usually in whorls of 3, oblanceolate in shape, measuring 4-18 cm x 1.5-7 cm, acuminate, with 10-20 pairs of secondary veins while the petiole is measures 8-30 mm long.

The inflorescence is with many-flowered, measuring 0.5-2 mm long pedicel while the sepal and petal are densely hairy outside. The follicles are smooth.

Ecology / Cultivation

A. angustifolia occurs in primary forest, seasonal peat swamps or hillsides, on sandy or granitic soils at 5-750(-1700) m altitude.

Line Drawing / Photograph



    1. Plant Resources of South-East Asia No. 12 (2): Medicinal and poisonous plants.

      Explore Further

      Consumer Data

      Consumer data including medicinal herbs, dietary supplement monographs, health condition monographs and interactions and depletions.                                    

      Read More
      Professional Data

      Professional data organized into medicinal herbs, dietary supplement monographs, health condition monographs, T&CM herbs, formulas, health conditions, interactions and depletions.

      Read More
      International Data

      We offer International linkages to provide extensive content pertaining to many facets of T&CM as well as Integrated Medicine. Please register for access.    

      Read More