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This species is accepted, and its native range is S. Thailand to Malesia.
A specimen from Kew's Herbarium


CATE Araceae, 17 Dec 2011.

Spadix at anthesis 9-20 cm long, tapering apically.
Open to closed, primary to disturbed secondary forest, often on steep slopes on heavy soils over granite, sandstone or limestone.
Peninsular Malaysia (Kedah, Kelantan, Malacca, Pahang, Selangor), Singapore, southern Thailand, Sumatera, Java, Nusa Tenggara, throughout Borneo, Sulawesi, and Maluku.
General Description
Large, occasionally very large, robust, pachycaul homeophyllous liane to 15 m; seedling stage a non-skototropic shingling shoot; pre-adult plants occasionally forming small terrestrial colonies of appressed shingling shoots; LEAVES: adult shoot architecture comprised of greatly elongated, clinging, physiognomically monopodial, leafy, non-flowering stems and long, moderately elaborated, free, sympodial, densely leafy, flowering stems later pendent under their own weight; stems smooth, climbing stems rectangular in cross section, the angles often strongly winged, the surfaces between more-or-less flat, free stems spreading, four-angled in cross section, branching little, growing to short or moderate lengths, green, later mid-brown, without fibre at the apices of active shoots, internodes to 16 x 2.5 cm on adherent shoots, usually shorter and less stout on free shoots, separated by large oblique leaf scars, older stems woody; flagellate foraging stems frequent, often of great length, ± rectangular in cross section; clasping roots densely arising from the nodes and internodes of clinging stems, densely pubescent; feeding roots rare, adherent, pubescent; leaves distichous-spiralled on adherent and free shoots, those distal on flowering shoots densely so; cataphylls and prophylls membranous, very quickly drying and falling; petiole deeply grooved adaxially, 10-23 x 0.25-0.5 cm, smooth, apical and basal genicula weakly defined; petiolar sheath very prominent, extending to and encircling the apical geniculum, briefly ligulate, very swiftly drying and falling to leave a continuous conspicuous scar from the petiole base, around the top of the apical geniculum and back to the base; lamina entire, elliptic to elliptic-lanceolate or falcate-oblong, 8-43 x 2.5-15 cm, coriaceous, upper surfaces glossy, lower surfaces semi-matte, base sub-acute to decurrent, apex sub-acute with a somewhat prominent apiculate tubule, margins very slightly reflexed in dried material; mid-rib raised abaxially, slightly sunken adaxially; primary venation pinnate, slightly raised abaxially and adaxially; interprimaries parallel to primaries and only slightly less prominent, very slightly raised abaxially and adaxially; secondary and tertiary venation ± obscure in fresh material, visible as a faint reticulum in dried specimens; INFLORESCENCE solitary, subtended by a fully developed foliage leaf and one or more cataphylls; peduncle compressed-cylindric, 10-15 x 0.3-0.5 cm; spathe canoe-shaped, stoutly very short-beaked, 12-22 x 2.5-6.5 cm, thickly stiff-fleshy, dull yellow, paler internally, swiftly falling at female receptivity; spadix tapering-cylindrical, ± sessile, inserted level on peduncle, 9-20 x 1.5-2 cm, cream; stylar region, mostly rhombohexagonal, 1.9-2.2 x 1.9-2.3 mm, truncate; stigma punctiform to slightly longitudinally elliptic, raised, c.c. 0.3 mm diam.; anthers barely exserted at anthesis, pollen extruded from between ovaries; INFRUCTESCENCE 9-17 x 1.5-2.5 cm.

Native to:

Jawa, Lesser Sunda Is., Malaya, Maluku, Sulawesi, Sumatera, Thailand

Rhaphidophora montana (Blume) Schott appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Aug 1, 2001 Nur, M.D. [8965], Peninsular Malaysia K000291800 Unknown type material
Lugduno-Batavo [113], Jawa K000291814 Unknown type material

First published in Ann. Mus. Bot. Lugduno-Batavi 1: 128 (1863)

Accepted by

  • 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.
  • 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.
  • Mansor, M., Boyce, P.C., Othman, A.S. & Sulaiman, B. (2012). The Araceae of peninsular Malaysia: 1-146. Penerbit Universiti Sains Malaysia.


CATE Araceae

  • P.C. Boyce 1999. The Genus Rhaphidophora Hassk. (Araceae-Monsteroideae-Monstereae) in Peninsular Malaysia, and Singapore Gardens Bulletin Singapore. 51: 183-256

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, 17 Dec 2011.

Herbarium Catalogue Specimens
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Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 World Checklist of Selected Plant Families.

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.