Leguminosae 



559 



11 A. Calyx-tecth of tlic clcistogamous flowers indistinctly 1 -nerved; legumes of clcistogamous flowers 1.5-2 times as long as the 

 calyx 10. L. cuneata 



IIB. Calyx-teeth of the clcistogamous flowers clearly 3-ribbcd; legumes of the clcistogamous flowers as long as to slightly shorter 



than the calyx 11. L. juncea 



lOB. Leaflets obovate to obovate-orbicular; long prostrate or trailing slender herb with pubescent branches and leaves 12. L. pilosa 



1. Lespedeza buergeri Miq. L. oldhamii Miq.; L. 



buergeri var. oldhamii (Miq.) Maxim. Ki-hagi. Shrub 



40-80 cm. high; the branches horizontally spreading, slender, 

 appressed-pilose; leaves petioled, the leaflets ovate to oblong, 

 2-A cm. long, 1-3 cm. wide, usually acute, deep green, gla- 

 brous or glabrescent on upper side, appressed-pilose beneath; 

 racemes to 7 cm. long, subsessile; flowers 10-12 mm. long, 

 white with purple blotch; calyx-teeth equal, ovate, obtuse to 

 subacute, as long as or shorter than the tube, obsoletely 1- 

 ner\'ed, the upper 2 connate, the bracts ovate, obtuse, few- 

 ner\'ed, the bracteoles broadly ovate, many-nerved, usually 

 ciliolate, usually slighdy longer than the calyx-tube; legumes 

 oblong, loosely appressed-pilose, about 12 mm. long, about 4 

 mm. wide. July-Sept. Rocky places along rivers in moun- 

 tains; Honshu, Shikoku, Kyushu; common. China. 



Forma albiflora Honda. Shirobana-ki-hagi. Flowers white; 

 rare. 



Var. kinashii Ohwi. Tachige-ki-hagi. Hairs of branches 

 and racemes spreading. Occurs with the typical phase; rare. 



2. Lespedeza maximowiczii C. K. Schn. L. buergeri 



var. praecox Nakai; L. praecox (Nakai) Nakai Ch6sen-ki- 



hagi. Very closely allied to the preceding species; calyx- 

 teeth broadly lanceolate, spine-tipped, longer than the tube. 

 July-Aug. Kyushu (Tsushima) . Korea. 



3. Lespedeza cyrtobotrya Miq. Maruba-hagi, Miyama- 

 HAGi. Erect or ascending herb, woody at base, 70-120 cm. 

 high; leaves petioled, the leaflets usually elliptic or obovate, 

 2-3 cm. long, 15-20 mm. wide, obtuse to rounded, often retuse, 

 glabrous above, short-pilose beneath; racemes axillary, sessile 

 or nearly so, short, usually not exceeding the leaves, the bracts 

 narrowly ovate, acute, 1-nerved, the bracteoles similar, rather 

 narrow; flowers 10-15 mm. long, rose-purple; calyx-teeth 

 longer than the tube, 1-nerved, spine-tipped; legumes nearly 

 orbicular, beaked, white appressed-pilose, 6-7 mm. long, 



about 5 mm. wide. Aug.-Oct. Meadows and grassy places 



in hills and in low mountains; Honshu, Shikoku, Kyushu; 

 common. Korea and China. 



Var. kawachiana (Nakai) Ohwi. L. {(awachiana Nakai 

 -Kawachi-hagi. Hairs of branches and racemes spread- 

 ing. Occurs with the typical phase; rare. 



4. Lespedeza bicolor Turcz. Ezo-yama-hagi. Erect 

 to ascending herb, often woody at base, 60-180 cm. high; 

 stipules subulate, 3-nerved at base, the leaflets membranous to 

 herbaceous, elliptic, 1.5-4 cm. long, 1-2.5 cm. wide, sparsely 

 pubescent above only while young, loosely appressed-pilose 

 to glabrate beneath, the hairs 0.5-0.7 mm. long; racemes 

 longer to shorter than the leaves; flowers rose-purple, 12-17 

 mm. long, the bracts and bracteoles narrowly ovate, minute; 

 legumes nearly orbicular, 5-7 mm. long and as wide, loosely 

 white appressed-pilose. July-Sept. Grassy places and thick- 

 ets in lowlands and in mountains; Hokkaido, Honshu, Shi- 

 koku, Kyushu; common and variable. Korea, Ussuri, Man- 

 churia, and n. China. Forma acutifolia Matsum. L. bi- 

 color var. intermedia forma acutijolia Matsum.; L. spicata Na- 

 kai & F. Maekawa; L. melanantha Nakai; L. bicolor var. ja- 

 ponica Nakai; L. jioribunda sensu auct. Japon., non Bunge; 



L. bicolor forma microp/iylla Miq. Yama-hagi. With 



thicker, mostly acute leaflets and scattered shorter hairs be- 



neath, about 0.3 mm. long. Very common in our area and 



freely passing into the typical phase. Forma alba (Bean) 



Ohwi. L. bicolor var. alba Bean. Flowers white. 



5. Lespedeza homoloba Nakai. L. inkkoensis Nakai; 



L. retttsa Nakai; L. rotundiloba Nakai; L. sendaica Nakai 



Tsukushi-hagi, Nikko-shira-hagi. Shrub with elongate 



branches, minutely appressed-pilose while young; leaflets 

 rather thick, ovate to elliptic, 2-5 cm. long, 1-3 cm. wide, 

 glabrous on upper side from the first, sparsely appressed-pilose 

 beneath; racemes longer or shorter than the leaves; flowers 

 10-15 mm. long, rose-purple, the bracts and bracteoles nar- 

 rowly ovate, minute, acute; legumes broadly obovate, about 8 



mm. long, 5-6 mm. wide, appressed-pilose. Aug.-Oct. 



Grassy places and thickets; Honshu, Shikoku, Kyushu; com- 

 mon. 



6. Lespedeza thunbergii (DC.) Nakai. Desmodium 

 thunbergii DC; D. penduliflorum Oudem.; L. penduliflora 

 (Oudem.) Nakai; L. sieboldii Miq.; L. bicolor var. sieboldii 



(Miq.) Maxim.; L. grandis Koidz. Miyagino-hagi. 



Stems sometimes woody at base, 100-180 cm. high, erect 

 to arching above, short appressed-pilose while young; stip- 

 ules small, subulate; leaflets narrowly oblong, sometimes 

 elliptic or ovate, 3-5 cm. long, 1-2.5 cm. wide, usually acute, 

 glabrous on upper side, with short appressed hairs beneath; 

 racemes usually longer than the leaves, the bracts and bracte- 

 oles broadly lanceolate or narrowly ovate, small, acute; flowers 

 15-18 mm. long, rose-purple; legumes narrowly obovate to 



oblong, 10-13 mm. long, 4-5 mm. wide, appressed-pilose. 



June-Sept. Widely cultivated in our area; spontaneous in 



Honshu (Hokuriku and Chiigoku Distr.). Reported to be 



spontaneous in China; very variable. Forma angustifolia 



(Nakai) Ohwi. L. intermedia Nakai, non Britt.; L. inter- 

 media var. angustifolia Nakai; L. japonica var. intermedia 

 Nakai, var. angustifolia (Nakai) Nakai, var. gracilis Nakai, 



var. retusa Nakai, and var. spicata Nakai Bitchu-yama- 



hagi. Leaflet pilose above; flowers rose-purple. Spontane- 

 ous in Honshu, Shikoku, Kyushu. Korea and Manchuria. 



Cv. Albiflora. Desmodium racemosum var. albiflorutri 



Sieb. ex Miq.; L. bicolor var. intermedia forma albiflora 

 Matsum.; L. japonica L. H. Bailey; L. sieboldii var. albiflora 

 (Sieb. ex Miq.) C. K. Schn.; L. intermedia var. alba Nakai 



Shirobana-hagi. Leaflets diinly appressed-pilose on 



upper side; flowers white. Long cultivated as an orna- 

 mental. Cv. Versicolor. L. penduliflora forma versi- 

 color (Nakai) Ohwi; L. japonica var. versicolor Nakai 



Somewake-hagi. With white and rose-purple flowers on 



the same plant. Cultivated. 



Var. obtusifoHa (Nakai) Ohwi. L. bicolor var. sieboldii 

 forma sericea Matsum.; L. patens Nakai; L. patens var. ob- 

 tusifoHa Nakai Ke-hagi. Branches and sometimes 



racemes with spreading hairs; leaves glabrous on upper side. 

 Aug.-Sept. Honshu (Uzen, Harima Prov. and else- 

 where) ; often cultivated. Forma pilosella Ohwi. Uwace- 



Ki-HAci. Leaves minutely pilose above. 



7. Lespedeza tomentosa (Thunb.) Sieb. ex Maxim. 

 L. villosa (Willd.) Pers.; Hedysarum tomcntosum Thunb.; 

 H. villosum Willd.; L. macrophylla Bunge; L. hirta Miq., non 

 Ellis Inu-hagi. Erect stiff perennial herb, 80-150 cm. 



