討論:唐松草屬

山羊百科，林文智老師的植物、山岳、攝影紀錄

1. Achenes stipitate or subsessile; leaflets less than 27 per leaf.

2. Achenes more than 30 per flower… 3. 南湖唐松草　Thalictrum rubescens Ohwi

2. Achenes less than 25 per flower.

3. Flower less than 2 cm wide; sepals usually 4… 5a. 傅氏唐松草 T. urbaini var. urbaini

3. Flower more than 2 cm wide; sepals usually 6… 5b. T. urbaini var. majus

1. Achenes sessile; leaflets more than 27 per leaf.

4. Leaflets more than 81, less than 0.7 cm long… 2. 密葉唐松草 T. myriophyllum

4. Leaflets 27-81, more than 1.0 cm long.

5. Plants glabrous; sepals acute or obtuse; achenes shallowly striate, nerves not elevated on adaxial surface, margin not thickened on abaxial surface… 4. 玉山唐松草 T. sessile

5. Plants pubescent; sepals retuse; achenes deeply striate, nerves elevated on adaxial surface, margin thicken-ed on abaxial surface… 1. 微毛爪哇唐松草　T. javanicum var. puberulum