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