Homalanthus populneus (Geiseler) Pax

Last updated: 12 June 2015

Scientific Name

Homalanthus populneus (Geiseler) Pax


Carumbium populifolium Reinw. Ex Blume., Carumbium populneum (Geiseler) Müll.Arg., Excoecaria laevis Blanco., Homalanthus leschenaultianus A.Juss., Homalanthus sulawesianus Airy Shaw., Stillingia populnea Geiseler. [1]

Vernacular Name

Malaysia Ludahi, kayu mata buta darat [2]
English Mouse deer's poplar [2]
Indonesia Tutup (General); tutup abang (Javanese); totop (Madura) [2]; tapang manyi lalat (Borneo); kayu pela [3]
Thailand Mae mae [2]
Philippines Malabinunga (Tagalog); balanti (Bisaya, Bikol) [2]
Papua New Guinea Merom [3]

Geographical Distributions

Homalanthus populneus is distributed from Southern Thailand, all over Malesia, except New Guinea, to the Bismarck Archipelago. [2]

H. populneus is locally common, especially in mountains of secondary forests and young regrowth. It is also found in lowlands in the undergrowth of primary forests and along rivers. [2]

Botanical Description

H. populneus is a member of the family Euphorbiaceae. It is a small tree that can reach up to 6(-10) m tall, smooth and with watery latex. The bark is greyish and roughened. The crown is rather flat and with spreading branches. [2]

The leaves are triangular-ovate to rhombic-ovate, measuring 3-12 cm x 2.5-10 cm and entire. The leaves base is almost truncate with two small glands at the base of the blade while the apex is acuminate. The blades are pale bluish-green beneath and withering into yellow to reddish. The reddish petiole is 2-7 cm long. [2]

The flowers are terminal with racemes 10-25 cm long. The male flowers are many, and with 6-10 stamens while there are 2-8 female flowers at the base of the raceme. They are long-stalked and with 2 long stigmas. [2]

The fruit is a slightly spherical capsule, measuring about 1 cm in diametre, two-lobed, pale bluish-green and with 2 cavities where each contains a single black seed. [2]


H. populneus was recorded to grow in various types of soils. [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 H. populneus [2]


  1. The Plant List. Ver 1.1. Homalanthus populneus (Geiseler) Pax. [homepage on the Internet]. c2013 [updated 2012 Mac 23; cited 2015 June 12]. Available from: http://www.theplantlist.org/tpl1.1/record/kew-99857
  2. Homalanthus populneus (Geiseler) Pax In: Lemmens RHMJ, Wulijarni-soetjipto N, editors. Plant Resources of South-East Asia No. 3: Dye and tannin-producing plants. Leiden, Netherlands: Backhuys Publishers; 1993.
  3. Quattrocchi U. CRC World Dictionary of Plant Names: Common names, scientific names, eponyms, synonyms, and etymology. Volume III E-L. Boca Raton, Florida: CRC Press; 2012. p. 493.