Anadendrum angustifolium Engl.
  • Bot. Tidsskr. 24: 272 (1902) 

Notes: Distribution: S. Thailand to N. Pen. Malaysia

General Description

Evergreen, medium-sized, very slender lianescent secondary hemiepiphyte to 3 m. Stem (adult) root-climbing. Leaves distichous, dense on climbing shoots, congested into very loose fans at shoot tips where flowering occurs; petiole pulvinate apically, 4.5–9 cm; petiolar sheath extending to the base of the pulvinus, membranous and very soon marcescent and entirely falling; leaf blade narrowly lanceolate, 8–15 × 2.5–3.5 cm, markedly unequal, the wider side basally slightly cordiform, the narrower cuneate, apex long-acuminate, briefly apiculate, dark green above, paler or somewhat glaucous below when fresh, drying uniformly very pale brown; primary lateral veins pinnate 4–5 per side, running into marginal vein; interprimary veins more or less invisible; higher order venation reticulate. Inflorescence 1–3 in each floral sympodium; peduncle spreading at almost 90° to the shoot with spadix erect by a sharp bend in the junction of the spathe to peduncle, exceeding petiole by ca 10 cm, each peduncle subtended by membranous, later papery cataphylls; spathe narrowly lanceolate, apex very strongly rostrate, base subdecurrent on stipe; spathe limb gaping, then reflexed at anthesis, then soon caducous, ca 3 × 1.5 cm, creamy yellow; spadix stipitate; fertile portion ca 4 × 0.5 cm, very pale greenish white at anthesis, caducous; stipe ca 7 mm, green; flowers with perigone just exceeding the gynoecium; stamens with short, broadly linear filaments; anthers shorter than filaments; gynoecium obpyramidal, tetragonal, stylar region 2.5 × 2.5 mm, rhomboidal, truncate, stigma transverse-linear; fruit a subglobose truncate-topped berry, green when immature, bright glossy red with black stigmatic remains when ripe.


Perhumid evergreen forest. ca 150 m asl.


Thailand, N Peninsular Malaysia, Cambodia (?).

Distribution Map

  • Native distribution
Found in
  • Asia-Tropical Indo-China Thailand
  • Malesia Malaya


  • 1 Boyce, P.C., Sookchaloem, D., Hetterscheid, W.L.A., Gusman, G., Jacobsen, N., Idei, T. & Nguyen, V.D. (2012). Flora of Thailand 11(2): 101-325. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.
  • 2 Mansor, M., Boyce, P.C., Othman, A.S. & Sulaiman, B. (2012). The Araceae of peninsular Malaysia: 1-146. Penerbit Universiti Sains Malaysia.
  • 3 Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • 4 Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.
  • 5 Boyce, P.Charles et al. Araceae. Flora of Thailand 11, (2012).

 Information From

CATE Araceae
Haigh, A., Clark, B., Reynolds, L., Mayo, S.J., Croat, T.B., Lay, L., Boyce, P.C., Mora, M., Bogner, J., Sellaro, M., Wong, S.Y., Kostelac, C., Grayum, M.H., Keating, R.C., Ruckert, G., Naylor, M.F. and Hay, A., CATE Araceae, 14 Dec 2011 . 17 Dec 2011.
  • A All Rights Reserved
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; Retrieved 2011 onwards
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