討論:葡萄屬
山羊百科，林文智老師的植物、山岳、攝影紀錄
- 台灣植物誌 第一版 Flora of Taiwan, 1st edition Vol. 4 https://tai2.ntu.edu.tw/ebook/ebookpage.php?book=Fl.%20Taiwan&volume=3&list=1407
- 台灣植物誌 第二版 Flora of Taiwan, 2nd edition Vol. 4 https://tai2.ntu.edu.tw/ebook/ebookpage.php?book=Fl.%20Taiwan%202nd%20edit.&volume=3&list=3957
KEY TO SPECIES
1. Mature leaves glabrous or glabrate beneath… 1. V. flexuosa
1. Mature leaves densely, cobwebby-tomentose beneath.
2. Leaf-blades triangular-ovate in shape… 2. V. kelungensis
2. Leaf-blades orbicular-cordate to cordate-ovate… 3. V. thunbergii
3. Leaves smaller, not more than 4 cm long… 3b. V. thunbergii var. taiwaniana
3. Leaves larger, more than 4.5 cm long… 3a. V. thunbergii var. thunbergii
