Wikstroemia THYMELAEACEAE-LYTHRACEAE Elaeagnus 



(Ber. N. 11:356). Shrub, to 5dm.; fls. yellow, VII. East-Central China; locally 

 in Ki. Brushland. Fig. 253. 



Chun (Suny. 4:182) has reduced W. sericea (W. kulinge7isis) to W. pilosa Cheng, but W. 

 pilosa is described as having leaf blades sparsely pilose on both surfaces, and is figured with 

 a rather lax inflorescence (CBLS 8:141, fig. 6), while W. kulingensis has leaf blades luteo- 

 sericeous beneath and a congested head-like inflorescence. 



120. ELAEAGNACEAE Oleaster Family -^M=fPr (Hu T'ui Tzu K'o) 

 Shrubs or small trees covered ivith silvery or brown peltate scales: lvs. entire, 

 exstipulate: fls. axillary, perfect or unisexual, regular, apctalous; hypanthium with a 

 prominent disk at the base, persistent and enclosing the fr.; calyx lobes usually 4; 

 stamens as many as or 2xthe calyx lobes; ovary apparently inferior: fr. drupe-like, 

 surrounded by the fleshy hypanthium. 3 genera with 45 species, in North America 

 and Eurasia; 2 genera and about 30 species in China. 



1. Elaeagnus Linn. Oleaster tftM^M (Hu T'ui Tzu Shu) 

 Often spiny, with alternate lvs.: fls. perfect or polygamous; calyx lobes and 

 stamens 4: stone of the drupe-like fr. striate or grooved. 40 species; 28 in China. 

 (Greek: elaia, olive, and agnos, the Greek name of the Chaste Tree, Vitex Agnus- 

 castus.) 



Key to the Species 



a. Evergreen or half-evergreen: fls. in the autumn. 



Brs. usually unarmed: If. margins flat 1. E. glabra 



Brs. spiny: lvs. crisped 2. E. pungens 



aa. Deciduous: fls. in the spring. 



Fls. 1 or 2 in a If . axil; pedicels l-3cm. long: brs. unarmed; bits. 



red-brown 3. E. midtiflora 



Fls. often 3 or more in a If. axil; pedicels mostly less than 1cm. 



long: brs. often armed; brts. often silvery 4. E. umbeliata 



1. Elaeagnus glabra Thunb. (R.M. 665). Climbing shrub; fls. brown, XI-XII; fr. 

 yellow-brown, IV. Japan, Korea, China; locally in Che., Hu. Forest margins. 



2. Elaeagnus pungens Thunb. MM^f- (Hu T'ui Tzu) (R.M. 665). Shrub, to 4m.; 

 fls. silvery, X-XI; fr. red, V. Japan, China; locally in An., Che., Hup., Ki., 

 Ku. Woodland. 



3. Elaeagnus multiflora Thunb. 7fc^X (Mu Pan Hsia; Woody Pinella) (R.M. 665). 

 Shrub, to 3 m.; fls. silvery, IV-V; fr. red, VI. China, Japan; locally in An., 

 Che., Ki., Ku. Woodland. Fig. 254. 



4. Elaeagnus umbeliata Thunb. ^^ (Niu Nai Tzu; Milk Flower) (R.M. 664). 

 Shrub, to 4m.; fls. silvery, V-VI; fr. red, IX-X. Japan, China; locally in An., 

 Che., Ku. Woodland or brushland. 



121. LYTHRACEAE Loosestrife Family T®3££r (Ch'ien Ch'ii Ts'ai K'o) 

 Herbs, shrubs or trees with opposite or whorled entire lvs.: brs. often 4-angled: 

 fls. perfect, regular, perigynous; hypanthium free, often ribbed; calyx lobes 4 or 8 

 (occasionally 3-16); petals as many or wanting; stamens distinct to the base, usually 

 twice as many, inserted on the hypanthium below the petals; ovary free in the bottom 

 of the hypanthium, 2-6-(occasionally 1-) celled, with one style, and with axile placenta: 



267 



