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This species is accepted, and its native range is New Guinea.
A specimen from Kew's Herbarium


CATE Araceae, 17 Dec 2011.

General Description
Small, very slender, leptocaul, homeophyllous (?) liane to unknown ultimate height; seedling and pre-adult plants not observed; LEAVES: adult shoots comprised of greatly elongated, clinging, physiognomically unbranched, leafy, non-flowering stems and long, free, sympodial, leafy flowering stems; stems smooth, somewhat flexuous, stems terete in cross-section, branching little, growing to considerable lengths and pendent with flowering tips upturned, without prophyll, cataphyll and petiolar sheath fibre, internodes to 4 x c. 0.2 cm, separated by weak slightly oblique leaf scars, older stems woody; flagellate foraging stems absent; clasping roots arising singly from each node; feeding roots not observed; leaves weakly distichous and sparsely arranged; cataphylls and prophylls membranous, caducous; petiole deeply grooved adaxially, 2-5 x 0.15-0.25 cm, smooth, with a slight apical and basal geniculum; petiolar sheath slightly prominent, extending to the apical geniculum, caducous in strips leaving a slender scar; lamina entire, narrowly lanceolate to lanceolate falcate, 4-19 x 1-3 cm, thinly coriaceous, drying adaxially dull mid-brown, abaxially paler brown with dense, well-defined to somewhat obscure tannin cells, base cuneate, apex long-acuminate with a slender prominent tubule; midrib slightly raised abaxially and adaxially; primary venation pinnate, very slightly raised on both surfaces; interprimaries sub-parallel to, but much less distinctive than, primaries, sometimes degrading into weakly reticulate venation, very slightly raised abaxially; secondary venation ± invisible in dried specimens, parallel-reticulate; INFLORESCENCE solitary, subtended by a fully developed foliage leaf and a caducous cataphyll; peduncle compressed-terete, 3-7.3 x 0.2-0.25 cm; spathe ovoid-ellipsoid, stoutly long-beaked and tipped with a fine tubule, 2.5-3 x 0.7-0.9 cm, marcescent until early fruiting, then falling leaving a large, oblique scar; spadix ovoid-globose to ovoid-cylindrical, sessile, inserted slightly obliquely on peduncle, 1-1.5 x 0.5-0.6 cm; stylar region rhombohexagonal, 1.4-2 x c. 2 mm, truncate; stigma punctiform, c. 0.4 mm diam., prominent in dried material; anthers well-exserted at male anthesis; INFRUCTESCENCE ovoid-globose, c. 1.2-2.5 x 1-1.5 cm.
Lower montane forest
Rhaphidophora microspadix appears to be allied to R. neoguineense, differing in the much narrower leaf lamina with a long acuminate tip and in flowering habitually on long, pendent shoots.
Indonesian Papua (Mimika Prov.), Papua New Guinea (Madang and Morobe Provinces).

Native to:

New Guinea

Rhaphidophora microspadix K.Krause appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Boden-Kloss, C. [s.n.], Irian Jaya K000291787 Unknown type material

First published in Bot. Jahrb. Syst. 49: 92 (1912)

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.

Herbarium Catalogue Specimens
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Kew Backbone Distributions
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© 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.