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Pothos boyceanus (Araceae), a new species from the Western Ghats, India

摘要


Pothos boyceanus sp. nov. (Araceae) of the subgenus Allopothos (sensu Schott, 1855) has been discovered from the evergreen forests of Valara in Idukki district of Kerala, India. The species has a close affinity with Pothos crassipedunculatus Sivadasan, Mohanan & Sathishkumar, but differs in a set of characters including the presence of a ligule, long winged petiole, asymmetric lamina, long single cataphyll, slender peduncle, presence of a stipe, long cylindric spadix with a lorate spathe equal to the length of spadix and 1-3 seeded ovate berry ripening milky white at base and light violet towards tip.

參考文獻


Boyce, P.C. and A. Hay. 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.
Schott, H.W. 1855. Pflanzenskizzen. Oesterreichisches Botanisches Wochenblatt 5(3):17‒20.
Sivadasan, M., N. Mohanan and C. Sathishkumar. 1989. Pothos crassipedunculatus, a new species of Pothos sect. Allopothos (Araceae) from India. Plant Syst. Evol. 168(3-4): 221‒225.
Boyce, P.C. 2009. The genus Pothos (Araceae: Pothoideae: Potheae) of Thailand and Indochina. Blumea 45:147‒204.
Engler, A. 1905. Araceae-Pothoideae. Das Pflanzenreich 21 (IV.23B). Engelmann, Leipzig.

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