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This species is accepted, and its native range is Papua New Guinea.


CATE Araceae, 17 Dec 2011.

Papua New Guinea (West Sepik Prov.).
Lowland forest.
An extraordinary species with extremely stout, clinging flowering shoots and short-petioled leaves, the whole shoot resembling a plant of Bornean Scindapsus beccarii Engl.. Inflorescences are borne in the leaf axils. It is not clear from the material available whether the inflorescence terminates the main axis which then reiterates, displacing the inflorescence, or whether the inflorescence is borne on a much abbreviated shoot arising from the axil.
General Description
Robust, pachycaul (?), homeophyllous (?) liane to unknown ultimate height; seedling stage and pre-adult plants not observed; LEAVES: adult shoot architecture not fully observed but apparently comprised of elongated, clinging, physiognomically unbranched, flowering stems; stems with epidermis drying smooth and yellowish, with cataphylls and prophylls degrading to weak netted fibres and sheets of chartaceous tissue at the stem tips, internodes 1-2.5 x 1.5-2 cm, separated by weakly defined leaf scars; flagellate foraging stem and feeding roots not observed; clasping roots arising from nodes and internodes, smooth with dark chartaceous epidermis; leaves distichous; cataphylls and prophylls very conspicuous, extending almost to apical geniculum of newly emerging leaves, quickly degrading to netted fibres and strips of chartaceous tissue; petiole stout, broadly and shallowly canaliculate, 14-16 x 0.8-1 cm, apical geniculum prominent, basal geniculum weakly defined and obscured by cataphyll remains; petiolar sheath very prominent, extending to apical geniculum, but very swiftly degrading to netted fibres, later falling leaving a smooth, scar; lamina entire, elliptic to oblong-elliptic or lanceolate elliptic, slightly to markedly oblique, 24-31 x 8-12 cm, subcoriaceous, base rounded to subacute, apex acute to briefly acuminate, falcate; midrib raised abaxially, sunken adaxially; primary venation pinnate, slightly raised abaxially and adaxially; interprimaries parallel to primaries, less prominent, slightly raised abaxially and adaxially; secondary venation tessellate-reticulate, slightly raised abaxially and adaxially in dry specimens; INFLORESCENCES not known but apparently arising two or more sequentially between foliage leaves, subtended by netted fibre and copious sheet-like tissue; INFRUCTESCENCES with peduncle laterally compressed, c. 5 x 0.6 cm, more or less obscured by cataphyll remains; spathe not observed; spadix massively ovoid-cylindrical, sessile, inserted more or less level on peduncle, 8-9 x c. 3 cm; stylar region rounded-rhombohexagonal, c. 2.3 x 2.7, truncate; stigma punctiform, slightly raised, c. 0.6 mm diam.; anthers not observed.

Native to:

New Guinea

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

First published in Gard. Bull. Singapore 53: 104 (2001)

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 2001. The Genus Rhaphidophora Hassk. (Araceae-Monsteroideae-Monstereae) in New Guinea, Australia and the Tropical Western Pacific Gardens Bulletin Singapore. 53: 75-183

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 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.