All Floras      Advanced Search
FOC Vol. 12 Page 366 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 12 | Theaceae

181. THEACEAE subfam. THEOIDEAE

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


 

Flora of China @ efloras.org
Browse by
Volume
Family
Genera
Advanced Search


Flora of China Home


Checklist

 

 

 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |