Maackia LEGUMINOSAE Desmodium 



Key to the Species 



Small shrub; leaflets 3-7 1- M. tenuifolia 



Tree: leaflets 7-17 2. M. chinensis 



1. Maackia tenuifolia (Hemsl.) Hand.-Mazz. (M. honanensis Bailey) %%MW^ (Kuang 

 YehMa An Shu; Naked-leaf Horse-saddle Tree) (B.G. 1:32; H.-M. 7:544). Shrub, 

 to lm.; fls. white, IV-V; fr. VII- VIII. China; locally in Ku. Forest. 



2. Maackia chinensis Takeda (Chen 527). Tree, 6-15 m. high; fls. VII-VIII; fr. X. 

 China; locally in An., Ki. Woodland. 



11. Thermopsis R. Br. #^g^M (Yeh Chueh Ming Shu) 

 Perennial herbs with 3~foliolate lvs. and foliaceous stipules: fls. yellow (ours) or 

 purple, conspicuous, in terminal racemes; stamens 10, separate, incurved: pods flat. 

 About 20 species, in North America and northeastern Asia; 2 in China. (Greek: 

 thermos, the lupine, and opsis, appearance.) 



1. Thermopsis chinensis Benth. M'Vl^ (Yeh Chueh Ming; Wild Cassia) (J.B. 1878: 

 131). Herb, to 6dm.; fls. yellow, III-IV; fr. V-VI; stipules lanceolate. China; 

 locally in Che., Ku. Grassland. Fig. 172. 



12. Arachis Linn. ^Ifc^M (Lo Hua Sheng Shu) 

 Low, usually prostrate herbs, with pinnate lvs.: fls. solitary or few and axillary, 

 yellow; stamens usually diadelphous, 9 and 1: pod oblong- cylindric, reticulate, 1-3- 

 seeded, constricted between the seeds, maturing underground. 7 or more species, all 

 of tropical America, but 1 cultivated in all warm countries. (An old Greek name for 

 some leguminous plant.) 



1. Arachis hypogaea Linn. Peanut fgft^ (Lo Hua Sheng; Born-after-the-flower- 

 drops.) (B.M. 554). Prostrate herb; fls. yellow, VII-VIII; fr. VIII-IX. Introduced 

 from tropical America; locally in An., Ki., Ku. Cultivated, fruit. Fig. 173. 



13. Aeschynomene Linn. Sensitive Joint Vetch fr#M (Ho Men Shu) 

 Erect herbs with pinnate lvs.: Ifts. numerous, small, linear, sensitive: fls. small, 

 not numerous; stamens diadelphous, 5 and 5: pods linear; breaking up at maturity 

 into lseeded joints. About 30 species, in tropical countries; 1 in China. (From the 

 Greek meaning "being ashamed", because of the sensitive lfts.) 



1. Aeschynomene indica Linn. .VJJ (Ho Men; Bursting-forth Sprouts) (M.F. 237). 

 Erect annual, to 6dm.; fls. yellow, VII-VIII; fr. VIII-X. Old World tropics; 

 locally in An., Hup., Ki., Ku. Wet open places. Fig. 174. 



14. Desmodium Desv. Tick Trefoil iM^^U (Shan Lu Tou Shu) 

 Perennial herbs, sometimes woody at the base: lvs. usually 3-foliolate: fls. small; 

 stamens monadelphous or grouped 9 and 1; ovary stipitate, often long-stalked in fr.: 

 loments flat, deeply lobed on one side and separating at maturity into l-seeded joints; 

 joints mostly covered by minute hooked hairs by which they stick to moving objects 

 and are carried from place to place. 170 species in tropical regions; 30 in China. 

 (Greek: desmos, a chain, on account of the manner in which the joints of the pods 

 are held together.) 



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