Pothos ovatifolius Engl.
  • Pflanzenr., IV, 23B: 40 (1905) 


Notes: Distribution: W. Malesia to Philippines

General Description

Very robust, vigorous, moderately ramified semi-heterophyllous root-climbing liane to 30 m. Shoot system weakly or not differentiated into non-flowering and flowering branches; eocaul foraging and climbing, often very long with occasional stretches of a few shingling leaves; seedling shingling. LEAVES mid-green, semi-glossy above, stiffly chartaceous to coriaceous, drying pale grey-yellowish green; petiole (1–)5–16 × 0.5–1.3 cm, rather stout, sheath prominent, extending to just over the base of the apical geniculum, lower portion clasping stem; blade (3–)8.5–27 × (2.5–)7–27 cm, spreading, oblong ovate to very broadly ovate, oblique, sometimes profoundly so, apex acuminate to obtuse, ultimately with a stout tubular mucro, base broadly rounded to narrowly cordate; primary lateral venation diverging at c. 60–80°, crossed by usually three intramarginal veins on each side of the midrib, these arising from near the base of the midrib and running more or less to the leaf tip. INFLORESCENCE solitary at the end of leafy, pendulous shoots; peduncle 9–15 cm, about equalling the petiole of the subtending leaf, most of it within the sheath at flowering. Spathe 14–23 × 3–5 cm, somewhat exceeding the spadix, narrowly lanceolate to narrowly elliptic, distally somewhat twisted, membranous, green. Spadix conspicuously stipitate; stipe c. 2–4 × 0.15–0.2 cm; fertile portion 9–20 × 0.7–1.4 cm, long-cylindrical, brownish yellow-green or purple. Flowers c. 2.5 mm diam.; with 6 free tepals and 6 stamens. INFRUCTESCENCE elongated, to c. 17 cm long, pendulous, with many berries; fruit 1.4–2.5 × 1–1.5 cm, ovoid, to scarlet when ripe; seeds c. 3.5 × 5 mm, ellipsoid, pale greenish brown.

Habitat

Primary to degraded secondary lowland to lower montane forest.

Distribution

Malesia: Sumatera (P. Simeulue), Malay Peninsula (P. Tioman), Borneo (Sarawak, Sabah), Philippines (widespread).

Distribution Map

 
  • Native distribution
Specimens
Found in
  • Asia-Tropical Malesia Borneo
  • Malaya
  • Philippines
  • Sumatera

  Bibliography

  • 1 Mansor, M., Boyce, P.C., Othman, A.S. & Sulaiman, B. (2012). The Araceae of peninsular Malaysia: 1-146. Penerbit Universiti Sains Malaysia.
  • 2 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.
  • 3 Abranowicz, E. Über das Wachstum der Knollen von Sauromatum guttatum Schott und Amorphophallus rivieri Durieu. 62, (1912).
  • 4 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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Global Biodiversity Information Facility
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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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