Cayratia VITACEAE Parthenon ssvs 



104. VITACEAE Grape Family g^ft (P'u T'ao K'o) 



Woody vines (rarely herbaceous), climbing by tendrils, with alternate palmatcly 

 veined or compound stipulate lvs.: inn", in cymes, corymbs or panicles, usually oppo- 

 site a If.: fls. small; petals valvate, sometimes joined at the base; stamens opposite 

 the petals; disk present: fr. a berry. 11 genera with about 600 species, tropical and 

 subtropical; 8 genera and 90 species in China. 



Key to the Genera 



A. Vines herbaceous, or apparently so: lvs. compound: infl. cymose. . 1. Cayratia 

 AA. Vines woody. 



Tendrils with expanded adhesive tips: lvs. dimorphic: fls. with- 

 out a conspicuous glandular disc 2. Parthevocissus 



Tendrils not expanded at the tips: lvs. not dimorphic: fls. with 

 a glandular disc. 

 Infl. in cymes: petals separating and spreading at the opening 



of the fl 3. Ampelopsis 



Infl. in panicles: petals joined in a cap which falls at the opening 



of the fl 4. Vitis 



1. Cayratia Juss. M^MM (Wu Lien Mei Shu) 

 Climbing shrubs or herbs, usually with branched tendrils: lvs. 3-foliolate or 5-9- 

 foliolate and pedate, with stalked lfts.: infl. in axillary paniculate cymes: fls. perfect, 

 4-merous: fr. 2-4-seeded. 16 species, in eastern Asia; 6 in China. (The latinized 

 Indian name.) Syn. Columella Lour. 



Key to the Species 



Lfts. remotely serrate; terminal 1ft. lanceolate, 10-12 cm. long: anthers 



elliptic-oblong 1. C. japonica 



Lfts. more closely serrate: terminal 1ft. ovate, 6-8 cm. long: anthers 



orbicular 2. C. temiifolia 



1. Cayratia japonica (Thunb.) Gagnep. (Vitis japonica Thunb., Cissus japonica 

 (Thunb.) Willd., Columella japonica (Thunb.) Merr.) Bush Creeper fc^M (Wu 

 Lien Mei; Black-vine Berry) (R.M. 621). Succulent vine; fls. VI-VIII; fr. black, 

 VII-IX. Eastern Asia; locally in An., Hun., Ki., Ku. Thickets. Fig. 228. 



2. Cayratia tenuifolia (W. & A.) Gagnep. {Vitis temiifolia Wight & Arn.) (H.F. 

 1:660). Vine, woody at base; fls. VI-VIII; fr. black, VIII-X. Central and south- 

 ern China; locally in An., Hup., Ki. Thickets. 



2. Parthenocissus Planch. %&$%$$, (Ti Chin Shu) 



Climbing shrubs: tendrils usually with disc-like adhesive tips: lvs. dimorphic, 

 those on the young shoots smaller and of different form than those on mature shoots, 

 digitate or at least some of them 3-lobed: infl. in cymes, opposite the lvs.: petals 

 spreading: fr. dark blue or black, 1-4-seeded. 10 species, in eastern Asia and North 

 America; 7 in China. (Greek: parthenos, virgin, and kissos, ivy, -a translation of the 

 French name.) 



Key to the Species 

 a, Lvs. on flg. brts, simple, often 3-lobed or -cleft \. P, tricuspidata 



240 



