Pothos longivaginatus Alderw.
  • Bull. Jard. Bot. Buitenzorg, sér. 3, 1: 380 (1920) 


Notes: Distribution: Borneo

General Description

Robust, heterophyllous, root-climbing liane to 7 m. Shoot system only weakly differentiated into flowering and non-flowering branches; eocaul not seen; seedling shingle-leaved, abruptly producing adult leaves. LEAVES deep green adaxially, paler abaxially, stiffly chartaceous, drying greyish to brownish green; petiole 6–18.5 × 0.3–0.5 cm, stout, sheath prominent, extending to base of geniculum, margins later scarious, clasping basally; blade 11–28 × 4–10 cm, ovate to elliptic or lanceolate, base acute to obtuse, apex attenuate-mucronate, acute or attenuate, minutely apiculate, often falcate; primary lateral veins arising at 70–80°, intramarginal veins 2 per side, the outer intramarginal vein remaining very close and parallel to margin. INFLORESCENCE solitary, occasionally paired, usually subtended by cataphylls on condensed short shoots arising from below the axils of distal leaves, occasionally from such shoots arising (persisting?) on leafless older stems, rarely terminal on leafy shoots, held inverted beneath the shoot by reflexing of the peduncle; peduncle (3.5–)12–16 × 0.3–0.35 cm, very stout, reflexed 90–180° at the base, green to dark purple-green. Spathe (3–)6–9 × (0.3–)0.4–1.5 cm, lorate, strongly reflexed and appressed to peduncle, base minutely cochleate on the peduncle, apex acute, apiculate, green to dull purple-green, stiffly leathery. Spadix sessile, (2.5–)6–7 × 0.3–0.5 cm, cylindrical to tapering-cylindrical, deep purple-brown. Flowers c. 1.3 mm diam., with 6 free tepals and 6 stamens. INFRUCTESCENCE with numerous berries; fruits 10–15 × 4–7 mm, conical-ellipsoid, ripening red; seeds not observed.

Habitat

Mixed dipterocarp forest on slopes, ridges and streambanks on clay, sandstone and shale.

Distribution

Malesia: endemic to Borneo.

Distribution Map

 
  • Native distribution
Found in
  • Asia-Tropical Malesia Borneo

  Bibliography

  • 1 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.
  • 2 Abranowicz, E. Über das Wachstum der Knollen von Sauromatum guttatum Schott und Amorphophallus rivieri Durieu. 62, (1912).
  • 3 Boyce, P.Charles & Hay, A. A taxonomic revision of Araceae tribe Potheae (Pothos, Pothoidium and Pedicellarum) for Malesia, Australia and the tropical Western Pacific. Telopea. 9 (3), (2001).

 Information From

CATE Araceae
http://araceae.e-monocot.org
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, 14 Dec 2011 . 17 Dec 2011.
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eMonocot
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eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
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World Checklist of Selected Plant Families
http://apps.kew.org/wcsp/
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
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