Hehvingia CORNACEAE Aucuba 



locally in An., Che., Hup., Ki. Forest. 



2. Cornus Linn. Dogwood FMftM (Ssu Chao Hua Shu) 

 Usually deciduous trees or shrubs, rarely herbs, with entire lvs. and small perfect 

 4-merous ./7s. in terminal cymes or heads which are often surrounded by large petaloid 

 involucral bracts; ovary 2-celled: fr. a drupe with a 2-celled stone. 40 species, 

 north temperate regions; 23 in China. (The old Latin name of Cornus ??ias.) 



Key to the Species 



a. Fls. in cymes or panicles, without an involucre. 



Lvs. alternate, abruptly acuminate, with 6-9 prs. of veins 1. C. controversa 



Lvs. opposite, long acuminate. 



Fls. in broad panicles, 8-14 cm. across: lvs. 10-16 cm. long, with 



6-8 prs. of veins, glaucous beneath 2. C. macrophylla 



Fls. in flat-topped cymes, 5-7 cm. across: lvs. smaller, with 



4-5 prs. of veins, pale green beneath 3. C. walteri 



aa. Fls. in dense globose heads, with an involucre 4. C. kousa 



1. Cornus controversa Hemsl. JjffiTfc (Shui Mu; Wood-of-good-omen) (R.M. 683). Tree, 

 to 20m.; fls. V; fr. bluish black, VIII-IX. China, Japan; locally in An., Che., 

 Hun., Hup., Ki., Ku. Forest. 



2. Cornus macrophylla Wall. $£fc (Lai Mu) (R.M. 686). Tree, to 15 m.; fls. yellow- 

 ish white, VII-VIII; fr. bluish black, X. China, Japan; locally in Che., Ku. 

 Forest. 



3. Cornus walteri Wangerin 3s$5 (Mao Lai; Small Cornus) (R.M. 687). Tree, to 

 12 m.; fls. VI; fr. black, IX-X. Central China; locally in An., Hup., Ku., Ki. 

 Woodland. 



4. Cornus kousa Hance {Benthamia japonica Sieb. & Zucc.) Flowering Dogwood 

 EOTTt (Ssu Chao Hua; Four-directions-light Flower) (R.M. 688). Tree, to 7 m.; 

 fls. white, in globose heads subtended by large white or cream-colored bracts, VI; 

 fr. red. VIII. Japan, Korea, China; locally in An., Che., Hup., Ki., Ku. Wood- 

 land. Fig. 278. 



3. Aucuba Thunb. 



Glabrous evergreen shrubs with stout dichotomous brs. and opposite petiolate lvs. 

 which darken in drying: dioecious; fls. in terminal panicles, 4-merous; ovary 1-celled 

 and 1-ovuled: fr. a 1-seeded berry-like drupe. 3 species in eastern Asia and the 

 Himalayas; all occurring in China. {Aucu-ba, the Japanese name.) 



Key to the Species 



Lvs. abruptly long- acuminate at apex: petals with slender acuminate tips. 1. A. chinensis 

 Lvs. mostly obtuse at apex: petals with acute but rounded tips 2. A. japonica 



1. Aucuba chinensis Benth. (R.M. 682). Shrub or small tree; fr. IX. China; locally 

 in Hun. Forest. 



2. Aucuba japonica Thunb. (R.M. 681). Shrub, to 5 m.; fls. III-V; fr. scarlet, 

 VIII-X. Japan, Korea; locally in Ku. Planted, ornamental. 



2a. Aucuba japonica f. variegata (D'Ombr.) Rehd. {Aucuba japonica var. vaiiegata 

 D'Ombr.) Gold-dust Tree (B.M. 757). Lvs. with numerous small yellow spots. 

 China; locally in Ku. Planted, ornamental. 



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