Indigofera LEGUMINOSAE Astragalus 



b. Young stems glabrous or appressed pubescent. 

 c. Corolla pubescent in the bud. 

 Lfts. more or less pubescent. 



Pods pubescent 1- ?■ chenii 



Pods glabrous 2. I. carlesii 



Lfts. mostly glabrous 3. I. forlunei 



cc. Corolla glabrous in the bud 4. I. kirilowii 



bb. Young stems pubescent with spreading sub-appressed hairs. . 5. 7. parkesii 



aa. Fls. less than 1 cm. long 6. 7. pseudotinctoria 



1. Indigofera chenii Chien (Sc. C. 9:150). Shrub, to I'm.; fls. VIII-IX; fr. IX-X. 

 China; locally in Ku. Brushland. 



2. Indigofera carlesii Craib (Ed. N. 8:48). Shrub, to 0.5m.; fls. pink, IV-V; fr. 

 VIII-IX. China; locally in Ki. Ku. Brushland. 



3. Indigofera fortunei Craib (Ed. N. 8:53). Shrub, to 0.5m.; fls. red-purple, IV- 

 V; fr. VIII-IX. China; locally in An., Ki., Ku. Brushland. 



4. Indigofera kirilowii Maxim, ex Palib. ^UU (K'u Sao Ken; Bitter Broom-root) 

 (R.M. 503). Shrub, to lm.; fls. pink, V-VII; fr. IX. China, Korea; locally in 

 An., Che., Hup., Ki. Brushland. 



5. Indigofera parkesii Craib (Ed.N. 8:59). Shrub, to 0.5m.; fls. white, V-VIII. 

 China; locally in An., Che. Grassland. 



6. Indigofera pseudotinctoria Matsum. MM (Ma Chi; Horse Bramble) (Ed. N. 8: 

 69,75). Shrub, to lm.; fls. pink, small, VI-VIII; fr. IX-X. China, Japan; locally 

 in An., Che., Ki., Ku. Brushland. 



25. Millettia Wight & Arn. ^SMM (Yai Tou T'eng Shu; Cliff Bean-vine Genus) 



Trees and shrubs, often climbing, with pinnate lvs.: fls. showy, in axillary or 

 terminal clusters, white, purple or red; anthers obtuse, basifixed: pods flat, woody, 

 slowly or not at all dehiscent. 60-100 species, in the eastern tropics; about 20 in 

 China. (In honor of J. A. Millett, an English physician and botanist who wrote on 

 China in 1726.) 



1. Millettia reticulata Benth. Hifiip (Chi Hsiieh T'eng; Chicken's-blood Vine) (Be. 

 F. sup. 13). Woody vine; fls. purple, in large panicles, VII; fr. X. China, 

 Formosa; locally in An., Che., Ki., Ku. Woodland. 



26. Astragalus Linn. Milk Vetch ^S^M (Tzu Yiin Ying Shu) 

 Mostly herbs, with pinnate lvs. : fls. in spikes or racemes, often forming a head- 

 like cluster at the top of a scape ; heel of the corolla equal to or a little shorter than 

 the ivings; stigma small; stamens diadelphous: pods several-seeded, usually turgid. 

 About 1500 species, widely distributed; over 20 in China. (The old Greek name for 

 some leguminous plant.) 



Key to the Species 



Fls. pinkish purple: stem ascending 1. A. sinicus 



Fls. white: plant nearly stemless 2. A. scaberrimus 



1. Astragalus sinicus Linn. Chinese Milk Vetch %WA (Tzu Yiin Ying; Purple- 

 cloud Flower) (Mak. F. 422). Ascending herb; fls. pink, III-IV; fr. black, V-VI; 

 with weak stems. China, Japan; locally in An., Che., Ku. Swamps and rice 

 land. Fig. 181. 



189 



