Stemona 



STEMONACEAE-LILIACEAE 



Yucca 



lvs. acute; base rotund but not cordate 2. 



aa. Erect herbs: lvs. sessile or with short stout petioles, 3-5-nerved. 



Lvs. short-petiolate; blades elliptic-cuspidate: fls. from the base of 



the stem, appearing with the lfy. shoot 3. 



Lvs. sessile, obovate or broadly ovate, apiculate: lis. from middle 



and upper If. axils as well as from the basal ones, appearing 



after the lvs 4 . 



S. japonica 



S. erecta 



S. sessilifolia 



1. Stemona acuta C. H. Wright (F.H.E.3:94). Vine with tuberous roots; fls. purple, 

 VII-IX. Eastern China; locally in An., Che. Moist woods. 



2. Stemona japonica (Bl.) Miq. (Mak.F.761). Climbing suffruticose vine. Japan and 

 China; locally in Ku. Woodland. 



3. Stemona erecta C. H. Wright (K.B.1895:117). Erect herb, 3-5 dm. high; fls. 

 greenish purple, V. Eastern China; locally in An., Ku. Grassland. 



4. Stemona sessilifolia Miq. (Mak.F.761). Erect herb. Japan, China; locally in An., 

 Ku. Woodland. 



188. LILIACEAE Lily Family TTfH-4 (Pai Ho K'o) 

 Herbs with fibrous roots or from rhizomes, bulbs or corms, sometimes woody 

 vines, shrubs or trees: lvs. alternate (whorled in Paris), parallel-veined (net-veined in 

 Paris): fls. regular, usually showy: perianth segments of 2 whorls of 3's, the inner 

 and outer colored alike: stamens 6: ovary superior, 3-celled, becoming a many-seeded 

 dehiscent capsule or berry. 240 genera with 4,000 species, widely distributed; 50 genera 

 and 250 species in China. Many in cultivation. 



Key to the Genera 



A. Fls. perfect or monoecious. 

 B. Perianth cleft or divided. 

 C. Fr. a capsule. 



D. Stems without bulbs at the base. 



E. Lvs. stiff and sword-like, spine-tipped 1 . Yucca 



EE. Lvs. not stiff and spine-tipped. 



F. Anthers extrorse 2. Tricyrtis 



FF. Anthers introrse. 



G. Lf. blades broad and lanceolate. 



Fls. large (4-12 cm. long), blue, lilac or 



white, in terminal racemes 3. Hosta 



Fls. small (not over 2 cm. long), in panicles 

 or racemes. 

 Plants with erect lfy. stems: fls. in ter- 

 minal panicles 4 . Veratrum 



Plants with horizontal stems and clusters 

 of basal lvs. : fls. in racemes on 

 slender nearly leafless scapes which 



may also bear offsets 5. Chlorophytum 



GG. Lf. blades linear: fls. large (4-12 cm. long), 



orange or yellow 6. Hemerocallis 



DD. Stems with bulbs at the base. 



H. Fls. in umbels: plants garlic-scented 7. Allium 



HH. Fls. not in umbels: plants not garlic-scented 

 1. Plants with lfy. stems. 



Anthers versatile 8. Lilium 



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