Araceae Juss.

Rhaphidophora talamauana Alderw.

This species is accepted, and its native range is W. Sumatera.


CATE Araceae, 17 Dec 2011.

Sumatera. Endemic. Known only from West Sumatera
Flowering shoots terete in cross-section. Spathe beak long. Sumatera (endemic) Very similar to R. sylvestris , but recognizable by flowering shoots with considerably more prominent leaf scars, scattered leaves, stems terete, not rectangular in cross-section and by the much longer spathe beak.
General Description
Medium to large, rather robust, semipachycaul (?) homeophyllous (?) liane to unknown ultimate height; seedling stage & pre-adult plants unknown; 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; stems smooth, climbing free stems terete in cross-section, internodes to 1.5-4.5 x 0.3-0.5 cm on free shoots, separated by very well defined, strongly oblique leaf scars; flagellate foraging stems, clasping roots, & feeding roots not observed; leaves scattered, distichous on free shoots; cataphylls and prophylls not observed and presumably very swiftly falling; petiole grooved adaxially, 3-12 x 0.2-0.3 cm, smooth, apical and basal genicula well defined; petiolar sheath not observed in entirety, presumably very swiftly drying, patches of think tissue observed and sheath 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, oblique-ovate-lanceolate to obovate-lanceolate, 12-27 x 2-7.5 cm, thinly coriaceous, upper surfaces slightly glossy, lower surfaces matt, base cuneate, apex acute to long-acuminate, with a slender apiculate tubule; midrib slightly 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, faintly visible as a weak reticulum in dried specimens; INFLORESCENCE solitary, subtended by a fully developed foliage leaf; peduncle strongly compressed-cylindric, 3-5 x c. 0.4 cm; spathe cigar-shaped, stoutly beaked, 6-6.5 x 1-3 cm, green before opening; spadix weakly clavate-cylindrical, sessile, inserted slightly obliquely on peduncle, c. 6 x 1.5 cm; stylar region mostly rhombohexagonal, 1-2 x 1.5-2 mm, truncate; stigma punctiform to very slightly elongate, flat, c. 0.25-0.3 mm diam.; anthers apparently not exserted at anthesis; INFRUCTESCENCE c. 10 x 2.5 cm.

Native to:


Rhaphidophora talamauana Alderw. appears in other Kew resources:

First published in Bull. Jard. Bot. Buitenzorg, sér. 3, 1: 384 (1920)

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.


CATE Araceae

  • P.C. Boyce 2000. The Genus Rhaphidophora Hassk. (Araceae-Monsteroideae-Monstereae) in the Southern and Western Indonesian Archipelago Gardens Bulletin Singapore. 52: 101-183

  • 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.

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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 2022. Published on the Internet at and
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.