臺灣植物誌之觀察（20）──臺灣產黃芩屬植物（唇形花科）

Notes on the Flora of Taiwan (20)-Scutellaria (Lamiaceae) in Taiwan

本文使用外部形態、花粉、小堅果和地理分布等特徵，來探討本省產黃芩等屬植物。結果可分為5種，即向天盞、印度黃芩、布烈氏黃芩、臺灣黃芩和田代氏黃芩等。並指出小堅果的表皮微細構造為分種的良好特徵。本文並報導省產5種染色體數目皆為2n = 26。

A brief revision of the species of Scutellaria (Lamiaceae) in Taiwan has been made. Five species are accepted in this paper. Three corolla types including the robust type, geniculate type, and curved type can be distinguished. Four types of nutlet coat ornament-ation including grape-book type, radiated umbrella-like type, rounded concentric type, and mammillate type are observed. SEM micro-graphs of pollen grains and nutlets, chromosome numbers, key to the species, species illustrations, distribution maps, and other relevant informations, are provided.