Lespedeza 



LEGUMINOSAE 



Lespedeza 



Stems sarmentose; lvs. scattered: flg. pedun- 

 cles very short (less than 0.5 cm. long); 

 fls. white: calyx lobes and stipules setace- 

 ous and striate 5. 



dd. Lfts. lanceolate, oblong, or ovate. 



f . Lfts. ovate- or lanceolate-acuminate and cuspidate, 



glaucous and appressed-pubescent beneath: 



calyx-lobes acute but not setaceous. 



Fls. yellow marked with purple: bracteoles more 



than 1/2 x the calyx tube: lfts. ovate, 15-50 



x 8-30 mm 6. 



Fls. purple: bracteoles less than l/2x the calyx 



tube: lfts. lanceolate-ovate, 20-65 x 11-33 mm. 



ff. Lfts. rounded, obtuse or acute, not acuminate. 



g. Stems stout, fluted or winged and angled 



above, very lfy.: fls. reddish-purple, about 



10 mm. long: bracteole longer than the 



calyx tube and setaceous 



gg. Stems slender, cylindric or angular, sometimes 

 striate: bracteole not conspicuously longer 

 than the calyx tube, (except in L. metcalfii). 

 h. Pubescence of the pedicels and calyx grey 

 or whitish. 

 Calyx lobes setaceous: bracteoles lance- 

 olate or linear. 

 Fls. 7-8 mm. long, reddish purple; 

 calyx lobes 2x the tube: lfts. 

 green, glabrous above, sparsely 



appressed-pubescent beneath 9. 



Fls. 11-12 mm. long; calyx lobes 3x 

 the tube: lfts. grey-green, pubes- 

 cent above and sericeous beneath. 10. 

 Calyx lobes acute but not setaceous: 

 bracteoles broadly ovate: fls. 12-13 

 mm. long: lfts. short-appressed-pu- 

 bescent above, whitish with long 



appressed hairs beneath 11 . 



hh. Pubescence of the pedicels and calyx yel- 

 lowish brown or straw-colored: bracte- 

 oles ovate to lanceolate: lfts. oblong. 

 Lfts. elliptic to lanceolate 8-25x4-12 

 mm., pubescent above, whitish with 

 appressed hairs beneath: calyx lobes 

 narrow and acute, but not setaceous. 12. 

 Lfts. 20-45 x 10-16 mm., glabrous above, 

 appressed-pubescent beneath: calyx 

 lobes slender and long-setaceous ... 13. 

 cc. Pods at maturity shorter than the calyx, in dense fasciate 

 clusters: plants erect: stems, lvs. and calyces all 



spreading-pubescent: fls. white or yellowish 14. 



bb. Fls. lilac or white, about 6 mm. long, scattered on long slender 

 peduncles (10-25 mm. long) far exceeding the lvs.: lfts. 

 glabrous above, appressed-pubescent beneath 15. 



L. pilosa 



L. buergeri 



7. L. maximowiczii 



8. L. davidii 



L. fordii 

 L. metcalfii 



L. thunbcrgii 



L. nipponica 



L. paradoxa 



L. tomcniosa 



L. virgata 



184 



