Hydrangea SAXIFRAGACEAE Deutzia 



Infl. flat-topped: lvs. narrowly ovate to oblong, 4-8 cm. long... 3. H. umbellata 



1. Hydrangea paniculata Sieb. Tfcffi* (Shui Ya Mu) (R.M. 288). Shrub, l-2m. 

 high; fls. white, VI-VIII. Japan, China; locally in An., Ki. Woodland. 



2. Hydrangea macrophylla (Thunb.) DC. var. hortensia (Regel) Rehd. ^AflllTE (Ta 

 Pa Hsien Hua; Great Hydrangea) (R.M. 287). Shrub, to lm.; fls. bluish, VII. 

 Japan, China; locally in An., Ku. Cultivated, ornamental. 



3. Hydrangea umbellata Rehd. Wly^ttt (San Hsing Hsiu Ch'iu Hua; Umbellate 

 Geranium) (PI. W. 1:25). Shrub, 1-2 m. high; fls. greenish white, VI-VIII. 

 China; locally in An., Ki. Woodland. Fig. 143. 



6. Schizophragma Sieb. & Zucc. HtKkSllS, (Tsuan Ti Feng Shu) 

 Woody vines climbing by aerial rootlets: lvs. deciduous, opposite: sterile fls. 

 composed of one large stalked sepal: fr. a 10-ribbed capsule, opening between the 

 ribs. 3 species, in eastern Asia; 2 in China. (Greek: schizein, to cleave; and phragma, 

 wall, referring to the opening of the capsule.) 



Key to the Species 



Lf. blades entire 1. S. integrifolium 



Lf . blades coarsely denticulate 2. S. integrifolium 



var. denticulatum 



1. Schizophragma integrifolium Oliv. £Hft*fij£8i (Ch'iian Yeh Tsuan Ti Feng) 

 (R.M. 291). Climbing shrub; fls. white, VI-VII. Central and western China; 

 locally in An., Che. Woodland. Fig. 144. 



2. Schizophragma integrifolium var. denticulatum Rehd. fl&HlgiftM, (Ch'iieh Yuan 

 Tsuan Ti Feng) (PI. W. 1:42). Climber; fls. V. China; locally in An., Ki. 

 Woodland. 



7. Cardiandra Sieb. & Zucc. %W\yM> (Tzu Yang Hua Shu) 

 Shrubs with alternate coarsely serrate lvs.: fls. in corymbs, the order sterile and 

 enlarged; calyx limb 3-parted, corolline and veined; petals 5; styles 3. One species, 

 in eastern Asia. (Greek: cardia, heart; and andres, of a man.) 



1. Cardiandra sinensis Hemsl. %%1fc (Tzu Yang Hua; Bright Purple Flower) (PI. 

 W. 1:24). Erect shrub, 3-8 dm. high; fls. pink, VIII. China; locally in An., 

 Che., Ki. Woodland shade. 



8. Pileostegia Hook. f. & Thorns. WMTtHM (Ch'ing Mien Hua T'eng Shu) 



Evergreen glabrous trees and shrubs with opposite entire lvs.: fls. in terminal 

 panicles, all alike; petals valvate, forming a conical cap which falls without expanding. 

 One species, in eastern Asia. (Latin: pileum, a cap; and Greek: stege, a cover.) 

 1. Pileostegia viburnoides Hook. f. & Thorns. if^tliM (Ch'ing Mien Hua T'eng; 



Green-cotton Vine) (R.M. 291). Evergreen shrub, to 2 m.; fls. VIII. Eastern 



Asia; locally in Che., Ki. Woodland. 



9. Deutzia Thunb. j^HH (Sou Su Shu) 

 Shrubs with hollow brts. and opposite lvs.: fls. in terminal clusters, all fertile; 

 calyx lobes and petals 5; stamens usually 10; ovary inferior: fr. a 3-5-celled capsule. 

 50 species, mostly in eastern Asia; 40 in China. (After Johann van der Deutz, 

 patron of Thunberg.) 



150 



