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This species is accepted, and its native range is W. Malesia.
Raphidophora foraminifera Mulu 10


CATE Araceae, 17 Dec 2011.

Leaf lamina of mature plants slightly to extensively perforated, perforations round to rhombic, extending c. 1/4 of lamina width on each side of the midrib, abaxial surface of lamina with pubescent veins; active shoot apices with black mucilage.
General Description
Moderate to large, robust, pachycaul, homeophyllous liane to 15 m; seedling stage not observed; pre-adult plants frequently (always?) forming extensive terrestrial colonies; LEAVES: adult shoot architecture comprised of elongated, clinging, physiognomically monopodial, densely leafy, non-flowering (always?) stems and shorter clinging, sympodial, densely leafy, flowering stems; stems smooth, mid-green, with cataphylls and prophylls deliquescing to black mucilage drying to leave fragmentary parchment-like remains on petioles, developing laminae, inflorescences, etc., internodes 1-7 x 0.5-3.5 cm, separated by prominent straight to slightly oblique leaf scars; flagellate foraging stem absent; clasping roots densely arising from the nodes and internodes, pubescent; feeding roots, adherent, exceedingly robust, densely pubescent with dense verticels of prominent corky ramenta; leaves distichous; cataphylls and prophylls membranous, soon deliquescing; petiole canaliculate, 22-52 x 0.4-1 cm, smooth for the most part but upper 2 - 4 cm and apical geniculum densely pubescent, apical geniculum prominent, basal geniculum less so; petiolar sheath prominent, extending to apical geniculum, + short-persistent, degrading to weak, slightly netted fibres; lamina entire to slightly or extensively perforated, perforations round to rhombic, extending c.c. 1/4 of lamina width on each side of the midrib, ovate to oblong-lanceolate or oblong-elliptic, slightly oblique, pubescent abaxially when young, 7-53 x 6-19 cm, membranous to sub-coriaceous, base rounded, acute to slightly decurrent, apex acute to acuminate; mid-rib prominently raised and densely pubescent abaxially, ± flush adaxially; primary venation pinnate, slightly raised abaxially and adaxially, the leaf appearing slightly quilted, pubescent in younger leaves, this indumentum mostly shed in older leaves; interprimaries sub-parallel to primaries, less prominent, slightly raised abaxially, slightly impressed adaxially; secondary venation reticulate, slightly raised; tertiary venation tessellate, slightly raised; INFLORESCENCE mostly subtended by one or two large cataphylls, these swiftly deliquescing into black mucilage, this drying and adhering patchily to developing spathe, rarely subtended by a ± fully developed foliage leaf; peduncle terete, 3-13 x 0.5-1.5 cm; spathe canoe-shaped, stoutly beaked, 10-27 x 1.5-13 cm, stiffly fleshy, dull pale to dark yellow, wide gaping at anthesis and then briefly persistent though maturation of the stamens, eventually falling to leave a large ± scar at the base of the spadix; spadix cylindrical, sessile, slightly obliquely inserted on peduncle, 7-17 x 1.3-2.5 cm, dull greenish yellow; stylar region moderately developed, rounded to rhombohexagonal, 1-2 x 1 -1.5 mm, shortly conical when fresh, drying truncate; stigma punctiform or elliptic and transversely orientated, raised at anthesis but excavated in dry material, c.c. 0.3 mm diam.; anthers slightly exserted at anthesis; INFRUCTESCENCE 8-15 x 2-3 cm, dark green before ripening to greenish yellow.
Peninsular Malaysia (Pahang and Perak), Sumatera, and throughout Borneo.

Native to:

Borneo, Malaya, Sumatera

Rhaphidophora foraminifera (Engl.) Engl. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
de Vogel [3291], Indonesia 58014.000

First published in Pflanzenr., IV, 23B: 45 (1908)

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

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.

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