Camptotheca NYSSACEAE-ALANGIACEAE Alangium 



Key to the Genera 



Fls. sessile, capitate: fr. samara-like, in a head 1. Camptotheca 



Fls. pedicelled, in axillary clusters: fr. a drupe 2. Nyssa 



1. Camptotheca Decne. HfsfHI (Hsi Shu Shu) 



Polygamous: m/?. head-like: calyx teeth and petals 5; stamens 10; disk cup- 

 shaped; ovary 1-celled: fr. 1-seeded, samara-like, clustered in globular heads. One 

 species, found only in China. (Greek: campto, I bend, and thcca, a case, referring to 

 the anthers which are bent inward in a distinctive manner.) 



1. Camptotheca acuminata Decne. H$f (Hsi Shu; Tree-of-Joy) (Lee 857). Tree, to 

 20m.; fls. VIII-IX; fr. winged, X. China; locally in An., Hun., Hup., Ki., Ku- 

 Woodland, planted, ornamental, Fig. 258. 



2. Nyssa Linn. Sour Gum %^% (Tzu Shu Shu) 



Polygamo-dioecious: fls. clustered on axillary peduncles; calyx lobes and petals 5; 

 stamens 5-12: disk conspicuous; ovary 1-2-celled: fr. an oblong drupe, usually 1- 

 seeded, with a ribbed or winged stone. 6 species, 4 in North America and 2 in 

 eastern Asia; one in China. (The Greek name for "a nymph"; referring to the 

 habitat in swampy or moist places.) 



1. Nyssa sinensis Oliv. Chinese Tupelo ^^f (Tzu Shu; Purple Tree) (R.M. 668). 

 Tree, to 15m.; fls. V-VI; fr. a drupe, X. Central China; locally in An., Che., 

 Hun., Hup., Ki., Ku. Forest. Fig. 259. 



124. ALANGIACEAE Alangium Family ]\l~h\Wf\ (Pa Chio Feng K'o) 

 Trees or shrubs with alternate simple usually lobed estipulate lvs.\ fls. perfect, 

 regular, in axillary cymes; calyx lobes and petals 4-10, the latter linear or strap- 

 shaped; stamens as many as or 2xthe petals; disk large; ovary inferior: fr. 1-seeded, 

 drupe-like, crowned by the calyx. Only the following genus. 



1. Alangium Lam. A ^ fill (Pa Chio Feng Shu) 

 Characters of the family. 22 species, mostly of southern Asia, but extending to 

 Australia and Africa; 4 in China. (Name an anagram of Adanson's name " Angolam ' 

 for this plant.) 



Key to the Species 



Corolla 10-30 mm. long; filaments free; anthers 2-4 x the filaments. 

 Corolla 10-15 mm. long; stigmas 2-4-lobed: Ivs. often irregularly 



lobed 1 . A. chinense 



Corolla 20-30 mm. long; stigmas 4-parted: lvs. not lobed 2. A. handelii 



Corolla 30-40 mm. long; filaments joined to base of petals; anthers 



as long as filaments: lvs. 3-5-sinuate-lobed 3. A. platanifolium 



1. Alangium chinense (Lour.) Harms ft/JlTfC (Hua Kua Ma; Chinese Gourd-tree) 

 (R.M. 669). Shrub or tree, to 8 m.; fls. white or cream-colored, VI-VIII; fr. 

 VIII-IX. Central China, Japan, southeastern Asia; locally in An., Che., Ki., Ku. 

 Woodland. Fig. 260. 



2. Alangium handelii Schnarf (Ber.N. 10:827). Shrub or tree, to 20m.; fls. white 



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