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This species is accepted, and its native range is Peninsula Thailand to W. Malesia.
Pothos leptostachyus

[CATE]

CATE Araceae, 17 Dec 2011. araceae.e-monocot.org

Distribution
Thailand (Yala). In Malesia: Sumatera (Aceh), Peninsular Malaysia (Pahang), Borneo (widespread).
General Description
Slender to rather robust, (heterophyllous?), root-climbing liane to 8 m. Stem?; eocaul & seedling not observed. LEAVES mid-green adaxially, slightly paler abaxially, stiffly but thinly chartaceous, drying dull greenish; petiole 3–7 cm long, slender, sheath somewhat prominent, extending to just below geniculum, basally clasping, apically briefly auriculate to slightly ligulate; blade 10–34 × 2.5–10 cm, oblong-elliptic, often falcate, unequal, occasionally quite strongly so, base rounded, apex acute to acuminate, very briefly apiculate; intramarginal veins 2 per side, the lowermost arising from the base, the next arising from the lowest part of the midrib, outer intramarginal vein remaining very close and parallel to margin, inner vein c. 1 cm distant, both reaching the leaf tip; flowering shoot abbreviated, usually leafless but with 1–several well-developed cataphylls, very occasionally with one or more fully developed but reduced leaves, arising from below the leaf axils of fertile shoots. INFLORESCENCE solitary from tips of leafy shoots, rarely terminal on (foliage-)leafless reiterative shoots arising in leaf axils or from leafless stems and then often with inflorescences at different stages of maturity; peduncle 2.7–5 × 0.2–0.3 cm, moderately stout, erect or curving and ultimately ascending and the inflorescence held erect, dull green. Spathe 2.5–10 × 0.5–1.5 cm, lorate, spreading, base auriculate, auricle margins inrolled, barely decurrent on the peduncle, apex obtuse, acuminate, mid-green. Spadix stipitate; stipe 0.8–1.5 × c. 0.2 cm, slender, terete, lime green; fertile portion 5–6.5 × 0.3–0.4 cm, cylindrical to tapering slender–cylindrical, straight to slightly curved, base unequal, slightly cochleate, creamy-yellow. Flowers c. 1.5 mm diam.; tepals 6, free; stamens 6. INFRUCTESCENCE with numerous berries; fruit 10–15 × 5–8 mm, obclavate to ellipsoid, ripening deep scarlet. Seeds c. 4–6 × 2–4 mm, ellipsoid.
Diagnostic
Confusion with P. wallichii is possible although the stout (2–3 mm diam.) erect peduncles and longer, lorate spathe readily distinguishes P. leptostachyus.
Habitat
Damp to rather dry evergreen hill forest on limestone.

Native to:

Borneo, Malaya, Sumatera, Thailand

Pothos leptostachyus Schott appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Sep 1, 2001 Motley, J. [1197], Kalimantan K000291859 Unknown type material
Sep 1, 2001 Motley, J. [1197], Kalimantan K000291860 Unknown type material
Sep 1, 2001 Motley, J. [1197], Kalimantan K000291861 Unknown type material
Sep 1, 2001 Ridley, H.N. [s.n.], Peninsular Malaysia K000291866 Unknown type material
Boyce, P.C. [1218], Thailand Pothos lorispathus 63296.000

First published in Prodr. Syst. Aroid.: 571 (1860)

Accepted by

  • Boyce, P.C. (2009). A review of Pothos L. (Araceae: Pothoideae: Pothoeae) for Thailand Thai Forest Bulletin (Botany) 37: 15-26.
  • Boyce, P.C., Sookchaloem, D., Hetterscheid, W.L.A., Gusman, G., Jacobsen, N., Idei, T. & Nguyen, V.D. (2012). Flora of Thailand 11(2): 101-325. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.
  • 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.

Literature

CATE Araceae

  • Abranowicz, E. 1912. Über das Wachstum der Knollen von Sauromatum guttatum Schott und Amorphophallus rivieri Durieu. 62: 449-458.
  • Boyce, P.C. & Hay, A. 2001. A taxonomic revision of Araceae tribe Potheae (Pothos, Pothoidium and Pedicellarum) for Malesia, Australia and the tropical Western Pacific. Telopea. 9 (3): 449-571
  • Boyce, P.C. 2009. A review of Pothos L. (Araceae: Pothoideae: Pothoeae) for Thailand. Thai For. Bull. (Bot.), 37, 15-26.

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.
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Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Science Photographs
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