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This species is accepted, and its native range is Peninsula Malaysia (Pahang).
A specimen from Kew's Herbarium


CATE Araceae, 17 Dec 2011.

In general aspect R. nicolsonii resembles R. tetrasperma but is readily distinguished by the larger, considerably more coriaceous leaves, by the petiolar sheath extending to, at most, three quarters along the length of petiole and in the larger spadix and rounded stylar region. If the inflorescence of R. nicolsonii proves to be solitary per flowering event this will be a further distinguishing character.
Sub-montane forest
Peninsular Malaysia (Pahang). Endemic.
General Description
Large, robust, pachycaul, heterophyllous liane of unknown ultimate height; seedling stage not observed; pre-adult plants (occasionally?) forming terrestrial colonies; LEAVES: adult shoot architecture comprised of elongated, clinging, physiognomically monopodial, densely leafy, flowering stems; stems smooth, without cataphyll and petiolar sheath fibre, internodes to 6 x 2 - 3 cm, separated by prominent oblique leaf scars; flagellate foraging stems not observed; clasping and feeding roots not observed; leaves weakly spiral-distichous; cataphylls and prophylls membranous, soon drying and falling; petiole shallowly grooved, upper part ± terete, 45-70 x 0.5-0.7 cm, smooth, apical and basal genicula very prominent; petiolar sheath prominent, extending 1/2 - 3/4 along petiole, soon falling to leave a prominent, slightly corky scar; lamina sparsely to rarely ± entirely pinnatipartite, or pinnatisect, 28-53 x 26-47 cm, broadly ovate to ovate-lanceolate to lanceolate, coriaceous, base truncate and very weakly cordate, apex acute to acuminate, individual pinnae up to 4 cm wide, but often leaves with only one division per side and thus pinnae accounting from up to 3/4 of entire lamina, lamina drying strongly discolorous, mid-brown adaxially, pale brown abaxially; mid-rib very prominently raised abaxially, slightly sunken adaxially; primary venation pinnate, raised abaxially, slightly impressed adaxially; interprimaries sub-parallel to primaries and only slightly less prominent, slightly raised abaxially, slightly impressed adaxially; secondary venation sub-parallel to interprimaries, slightly raised; tertiary venation reticulate; INFLORESCENCE solitary (always?); peduncle terete, to 19 x 1.5 cm; spathe not observed, probably falling swiftly; spadix stoutly cylindrical, sessile, inserted decurrently from 2 cm on peduncle, 14 x 2 cm, green; stylar region well developed, mostly rhombohexagonal, c.c. 2 x 2 mm, truncate, margins deflexed; stigma punctiform, c.c. 0.5 x 0.4 mm; anthers not observed; INFRUCTESCENCE not observed.

Native to:


Rhaphidophora nicolsonii P.C.Boyce appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Nicolson, D.H. [1186], Peninsular Malaysia K000291798 isotype

First published in Gard. Bull. Singapore 51: 236 (1999)

Accepted by

  • 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.