Cudrania MORACEAE-URTICACEAE Boehmeria 



4. Cudrania Tree. f/6f&fi| (Che Shu Shu) 

 Deciduous or evergreen trees or shrubs with milky sap and often with thorny 

 brs.: dioecious: lvs. entire or 3-lobed: fls. in globular heads: fr. a fleshy globular 

 syncarp. 5 or 6 species, from China to Australia and New Caledonia. (From the 

 Malayan name "Curdang".) 



1. Cudrania tricuspidata (Carr.) Bur. Iffilffi (Che Shu) (R.M.191). Shrub or tree, to 

 10m.; fls. V; fr. red, X; lvs. on young growth often 3-lobed. Eastern Asia; 

 locally in An., Che., Hun., Hup., Ki., Ku. Brushland and woods. Fig. 66. 



43. CANNABINACEAE Hemp Family ±Mf\ (Ta Ma K'o) 



Dioecious herbs: lvs. palmately lobed or compound: staminate fls. in panicles or 

 racemes; the pistillate in spikes: fr. an achene with crustaceous pericarp. 2 genera 

 with 3 species, in north temperate regions; all occurring or cultivated in China. 



Key to the Genera 



An erect herb : lvs. palmately compound 1. Cannabis 



Twining vines : lvs. palmately lobed 2. Humulus 



1. Cannabis Linn. Hemp ^J#fl| (Ta Ma Shu) 



Tall erect annual: lvs. digitate, 5-7-foliolate. One species, in Asia. (The Greek 

 name.) 



1. Cannabis sativa Linn. Common Hemp ^$f; (Ta Ma; Great Fiber) (B.M. 341). Herb, 

 1-2 m. high; fls. yellowish, VII. Asia; locally in An., Ku. Cultivated for its 

 bast fiber. Fig. 67. 



2. Humulus Linn. Hop M^M (Lii Ts'ao Shu) 



Twining vines: lvs. opposite, palmately lobed: pistillate spike becoming a cone- 

 like structure. 3 species, in north temperate regions; 2 in China. The frtg. "cone" 

 of H. lupulus forms the Hop of commerce. (A Latin name.) 



1. Humulus scandens (Lour.) Merr. {H. japonicus Sieb. & Zucc.) Japanese Hop HE 

 % (Lii Ts'ao) (B.M.341). Twining annual; fls. V-VIII; fr. VIII-IX; lvs. rough- 

 hairy. Japan and China; locally in An., Ku. Roadside thickets. 



44. URTICACEAE Nettle Family ^MM (T'an Ma K'o) 

 Plants with ivatery sap, sometimes bearing stinging hairs: fls. unisexual (ours): 

 stamens as many as the perianth segments and opposite them: fr. an achene or 

 drupe. Over 40 genera and 500 species, widely distributed, especially in the tropics; 

 about 17 genera and 80 species in China. 



Key to the Genera 



A. Inn. spicate : stems somewhat woody at the base ; 1. Boehmeria 



AA. Inn. in axillary clusters, cymes or panicles: stems definitely herbace- 

 ous (suffruticose in Pilea notata). 

 B. Pistillate fls. in sessile axillary clusters: lvs. oblique at the base. 

 Lvs. alternate, coarsely serrate : staminate fls. in pedunculate 



clusters 2. Elatostema 



Lvs. opposite, entire: staminate fls. with the pistillate in axil- 

 lary clusters; the staminate on longer pedicels 3. Gonostegia 



89 



