Abstract

Goniothalamus keralensis E.S.S.Kumar, Shaju, Roy et Raj Kumar, a new species of Goniothalamus (Blume) Hook.f. & Thomson (Annonaceae) is described and illustrated. This species located in the forests of Idukki district in Kerala, India is similar to G. wightii Hook.f. & Thomson, but differs in having the longer leaves with acuminate or acuminate-caudate apex, the shorter pedicels of flowers, smaller sepals which are deciduous in fruits, stamens with glabrous and convex connective, fewer carpels with very short or indistinct style and funnel shaped stigma, and seeds are consistently two in each carpels.

中文摘要

本文提供了對哥納香屬（番荔枝科）的新種Goniothalamus keralensis之描述及手繪圖。本種被發現於印度喀拉拉邦伊度基區的森林，本種與G. wightii相似，但不同處在於本種擁有較長的葉子，尖端或漸尖端的葉，較短的花梗，較小的萼片及結果時落葉，雄蕊具有光滑突起的药隔，少數心皮具非常短或不明顯的花柱，柱頭呈漏斗狀，每個心皮內含兩顆種子。

Keyword: Annonaceae, Goniothalamus keralensis, India, new species, Western Ghats.