Camellia sect. Calpandria

Yu, Xiang-Qin, Liu, En-De, Liu, Zhen-Wen, Xiao, Bo, Ma, Jin-Lin & Yang, Shi-Xiong, 2021, Camellia luteocalpandria (Theaceae), a new species and the first discovery of sect. Calpandria in China, Phytotaxa 489 (2), pp. 223-228 : 226

Key to Camellia sect. Calpandria

1. Flowers yellow; inside of bracteoles and sepals are glabrous; no free or partially free stamens in the filament tube......................... ............................................................................................................................................................................... C. luteocalpandria

1. Flowers white; inside of bracteoles and sepals are usually pubescent; with free and partially free stamens in the filament tube ....2

2. The mouth of filament tube is nearly entire; the filaments of free and partially free stamens are filiform ................... C. lanceolata

2. The mouth of filament tube is dentate; the filaments of free and partially free stamens are flat and oblong .................... C. connata