Semiaquilegia

Zhou, Jian-Jun, Huang, Zhang-Ping, Li, Jia-Hui, Hodges, Scott, Deng, Wei-Sheng, Wu, Lei & Zhang, Qiang, 2019, Semiaquilegia danxiashanensis (Ranunculaceae), a new species from Danxia Shan in Guangdong, southern China, Phytotaxa 405 (1), pp. 1-14 : 12

Key to species of Semiaquilegia

1. Petals clawed, limbs suborbicular, ca. 1 mm long, claws ca. 3.5 mm long; fruit with a 3–4.5 mm long and filiform persistent style........................................................................................................................................................................ S. danxiashanensis

- Petals spatulate, 2.5–3.5 mm long, without claw; fruits without or with a less than 2 mm long persistent and filiform style..........2

2. Flowers 15–25 mm in diam.; sepals 10–20 mm long.................................................................................................. S. guangxiensis

- Flowers usually 4–10 mm in diam.; sepals shorter than 9 mm ..........................................................................................................3

3. Flowers 4–6 mm in diam.; staminodes ca. 2 ................................................................................................................... S. adoxoides

- Flowers 8–10 mm in diam.; staminodes 4–6............................................................................................................ S. quelpaertensis