Grewia TILIACEAE-MALVACEAE Corchoropsis 



and lateral cymes: peduncles ebracteate; sepals and petals 5 (petals rarely wanting); 

 ovary 5-celled: fr. a drupe with one or several stones. 90 species, tropical and sub- 

 tropical. Asia, Africa and Australia; 10 in China. (After Nehemiah Grew, 1628-1682. 

 English physician and botanist.) 



1. Grewia biloba G. Don (G. glabrescens Benth.) J^||^-=F- (Pien Tan Kan Tzu; 



Carrying-Pole) (R.M. 628; R.B. 457). Shrub, to 3 m.; fls. VII-VIII; fr. X; lvs. 



sparsely stellate-pubescent beneath. North China, Korea; locally in An., Che., 



Hun., Hup., Ki. Thickets, woodland. Fig. 232. 

 la. Grewia biloba var. parviflora (Bunge) Hand.-Mazz. (R.M. 628). Lvs. densely 



stellate-tomentose beneath. China; locally in An., Che., Ki., Ku. 



3. Corchorus Linn. ftl#ii (Huang Ma shu) 



Herbs, often suff rutescent : lvs. usually with tail-like appendages at the base of 

 the blade: infl. axillary: fls. yellow; sepals and petals 4-5; stamens all fertile; ovary 

 2-6-celled: capsule dehiscent, 2-5-valved. About 35 species, widely distributed; 3 in 

 China. (An old Greek name of some bitter plant.) 



Key to the Species 



Capsule globose-pyriform, not beaked 1 . C. capsularis 



Capsule cylindrical, beaked 2. C. acutangulus 



1. Corchorus capsularis Linn. Jute $iffi (Huang Ma; Yellow Hemp) (B.M. 654). 

 Annual, to 5 m.; fls. yellow, VII-VIII; fr. globose, IX. Introduced from India! 

 locally in Ki., Ku. Cultivated, fiber. Fig. 233. 



2. Corchorus acutangulus Linn. fl§]i;I# (Tuan Huang Ma; Linden Corchorus) (M.F- 

 315). Annual, to 2 m.; fls. yellow, VIII; fr. cylindric, X. Tropical regions; locally 

 in Ki., Ku. Moist places. 



4. Corchoropsis Sieb. & Zucc. FE!)#f| (T'ien Ma Shu) 

 Erect slender herb: lvs. without tail-like appendages at the base: infl. axillary: 

 fls. yellow; sepals and petals 5; alternate stamens sterile: capsule 3-valved, the valves 

 and seeds separating at maturity, leaving the spirally twisted seed column attached 

 to the receptacle and resembling a cork screw in appearance. One species, in eastern 

 Asia. (The name means "appearing like Corchorus".) 



1. Corchoropsis tomentosa (Thunb.) Mak. (C. crcnata Sieb. & Zucc.) fflfft (T'ien 

 Ma; Field Hemp) (Mak.F. 338; Bo.Ma.T. 17:11). Annual, to 1 m.; fls. yellow, 

 VIII; fr. IX-X. Eastern Asia; locally in Ki., Ku. Moist places. 



107. MALVACEAE Mallow Family gftggft (Chin K'uei K'o) 

 Herbs, shrubs or trees, often stellate-pubescent, with alternate simple stipulate 

 lvs. : infl. various: fls. often with a whorl of bracteoles below the calyx; sepals and 

 petals 5; stamens usually numerous, united into a tube surrounding the style and 

 joined at the base to the petals; carpels 2-several: fr. dry, the carpels separating at 

 maturity or a loculicidal capsule. 82 genera with 1500 species, tropical and temperate 

 regions; 10 genera and 25 species in China. 



Key to the Genera 

 A. Fr. splitting at maturity into a ring of carpels. 



248 



