Research Paper

Notes on the Flora of Taiwan (23) — The Genus Teucrium L. (Lamiaceae)(1)

Tsung-Hsin Hsieh and Tseng-Chieng Huang

Published on: June 1996

Page: 81 - 96

DOI: 10.6165/tai.1996.41.81

Abstract

Three species of Teucrium L. (Lamiaceae), i. e., T. bidentatum Hemsl., T. taiwanianum T. H. Hsieh et T. C. Huang, sp. nov., and T. viscidum Bl. are described in this paper. SEM micrographs of pollen grains, chromosome counts, a key to species, species descriptions, and a distribution map are provided. The chromosome number of T. taiwanianum is 2n= 64, and of the others 2n= 32.

中文摘要

本文訂正臺灣產香科科屬植物為 3種,分別為二齒香科科 (Teucrium bidentatum Hemsl.),臺灣香科科 (T. taiwanianum T. H. Hsieh & Huang, sp. nov.)和血見愁(T. viscidum Bl.)。臺灣香科科的花梗長度 5 mm,花萼大小 8 mm,小堅果大小 1.5~1.6 mm 明顯大於東亞的本屬其它種類,並報導其為多倍體,染色體 2n = 64。文中比較 3種的外部形態、花粉特徵、染色體數目和地理分佈等特徵,並提供檢索表做為鑑定之用。 關鍵字:香科科屬、唇形科、分類訂正、臺灣香科科、花粉形態、多倍體。

Keyword: Teucrium, Teucrium taiwanianum, Taxonomy, Pollen morphology, Polyploid

Literature Cited