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山茶亚科 shan cha ya ke

Flowers bisexual, 0.8-12 cm in diam. Stamens numerous, in 2-6 whorls; anthers dorsifixed, ovate, connective not exserted. Fruit usually capsular, dehiscent, or rarely drupaceous and indehiscent (in some Pyrenaria).

About eight genera and ca. 250 species: tropical America, E, S, and SE Asia, SE North America; six genera (one endemic) and 145 species (106 endemic) in China.

1 Fruit (1-)3-8 cm in diam.; seeds wingless   (2)
+ Fruit 2.5(-3.5) cm in diam. or less; seeds winged (sometimes wingless in Apterosperma)   (3)
2 (1) Capsule dehiscent from apex; seeds globose, semiglobose, or polygonal; hilum umbilicate.   1 Camellia
+ Capsule dehiscent from base or fruit drupaceous and indehiscent; seeds longitudinally compressed; hilum linear.   2 Pyrenaria
3 (1) Columella persistent to apex of locules; seeds with an apical wing (wing narrow or sometimes absent in Apterosperma)   (4)
+ Columella apically ± degenerated and not reaching the locule apex in fruit; seeds marginally winged (sometimes wingless in Stewartia)   (5)
4 (3) Capsule oblong-cylindric 1.5-5 cm; seed apically with a conspicuous oblong membranous wing.   3 Polyspora
+ Capsule oblate, 0.5-0.6 cm; seeds apically with a narrow wing or wingless.   4 Apterosperma
5 (3) Fruit globose to oblate; sepals not persistent in fruit or if persistent not enveloping fruit; columella in fruit extending ca. 2/3 or more of locule length.   5 Schima
+ Fruit ovoid to conic; sepals persistent and enveloping fruit; columella in fruit degenerating or only extending ca. 1/2 of locule length.   6 Stewartia

Lower Taxa


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