Abstract

A new species of the genus Amomum Roxb. (Zingiberaceae) from northern Thailand, Amomum inthanonense A. Chaveerach & T. Tanee is described and illustrated. It is closely related to A. thysanochililum S. Q. Tong & Y. M. Xia, but differs in several characters. The important different characters are plant up to 1.30 m tall, ligule apex bilobed, edge ciliate; leaf blade elliptic-oblong, base attenuate, cuneate or oblique, apex acute to acuminate; peduncle 1-2 cm long; first bracteole linear-oblong, apex ciliate, second bracteole obovate, apex ciliate; corolla tube white or reddish-white, dorsal and lateral lobes oblong; anther yellow, oblong, apex emarginated, connective appendages 2, long flat deltoid, yellow; ovary glabrous.

中文摘要

本文描繪在泰國北部發現之薑科荳蔻屬一新種，Amomum inthanonense A. Chaveerach & T. Tanee。本種非常類似梳唇砂仁 (A. thysanochililum S. Q. Tong & Y. M. Xia)，但可以數個特徵區別。最重要的區別特徵為植株高達1.3 公尺，葉舌先端二裂，邊緣具細毛；葉片橢圓狀矩圓形，葉基漸尖、楔形或歪斜，葉端銳尖至漸尖；總花梗長1-2 公分；第一枚小苞片線狀矩圓形，先端具細毛，第二枚小苞片倒卵形，先端具細毛；花冠筒白色或淡紅色，背裂片與側裂片矩圓形；花藥黃色，矩圓形，先端微凹，藥隔附屬物2 枚，長扁三角形，黃色；子房光滑。

Keyword: Amomum, Amomum inthanonense, Zingiberaceae, new species, Thailand. 荳蔻屬、Amomum inthanonense、薑科、新種、泰國。