562 



Leguminosae 



deciduous; flowers 4-5 mm. long, reddish purple; legumes to 

 15 mm. long, sessile, the joints 3-4, minutely puberulous, 



elliptic, 3-4 mm. long, about 3 mm. wide. Aug.-Oct. 



Honshu (centr. distr. and westw.), Shikoku, Kyushu; rare. 

 ^Ryukyus, Formosa, China, India to the Philippines. 



3. Desmodium heterocarpon (L.) DC. Hedysarum 

 heterocarpon L.; D. buergeri Miq.; D. heterocarpon var. buer- 



geri (Miq.) Hosokawa Shiba-hagi. Diffuse suffrutescent 



shrub with procumbent or ascending slender branches, sparsely 

 appressed-pilose while young; stipules lanceolate, 8-12 mm. 

 long, long-acuminate, many-nerved; leaflets rounded to re- 

 tuse, the terminal obovate, 2.5-3 cm. long, 1.5-2 cm. wide, 

 the lateral obovate to oblong, 1.5-2.5 cm. long, 1-1.5 cm. wide, 

 pilose while young; racemes 6-8 cm. long, with spreading 

 hairs, the bracts narrowly ovate, caducous; flowers reddish 

 purple, 4-5 mm. long; calyx rather deeply lobed; legumes 

 about 15 mm. long, erect, sessile, the joints 4-5, about 3 mm. 

 long and as wide, flat, with minute uncinate whitish hairs. 

 Sept.-Oct. Grassy slopes and roadsides in lowlands; Hon- 

 shu (centr. distr. and westw.), Shikoku, Kyushu; locally 

 common. Bonins, Korea (Quelpaert Isl.), Ryukyus, For- 

 mosa, China to India and Malaysia. 



Var. patulepilosum (Ohwi) Ohwi. D. buergeri var. pa- 

 tulepilosum Ohwi. Tachige-shiba-hagi. Hairs spreading 



on stems and branches. Honshu (Kii Prov.). 



4. Desmodium oldhamii Ohv. Fuji-kanzo. Puberu- 

 lous and loosely hirsute, simple, erect perennial 50-120 cm. 

 high; stipules linear-lanceolate, few-nerved; leaflets 5 or 7, 

 ovate to oblong, 8-16 cm. long, 3-6 cm. wide, abruptly acumi- 

 nate, the terminal slightly larger; racemes 1-5, terminal, elon- 

 gate, sometimes to 30 cm. long, the bracts deciduous, the 

 pedicels 7-12 mm. long; filament-tubes about 7 mm. long; 

 legumes on a stipe 8-10 mm. long, the joints 1 or 2, broadly 

 semi-obovate, 10-12 mm. long, with short uncinate pubescence 

 on both surfaces. Aug.-Sept. Thickets and woods; Hon- 

 shu, Shikoku, Kyushu. Korea, Manchuria, and China. 



5. Desmodium laxum DC. D. podocarpum var. laxum 

 (DC.) Baker; D. austrojaponense Ohwi; D. tashiroi sensu auct. 

 Japon., pro parte, non Matsum.; ? D. laxum var. \iusianum 

 Matsum.; D. gardneri sensu auct. Japon., pro parte, non Benth. 



Oba-nusubito-hagi, Saikoku-nusubito-hagi. Perennial 



herb slightly woody at base, 60-100 cm. high; stems erect, 

 usually simple, slightly pilose; stipules lanceolate, 3- to 5- 

 nerved, 3-5 mm. long, deciduous; leaves chartaceous, deep 

 green on upper side, slightly paler beneath, with appressed 

 hairs especially on midrib on upper side, the terminal leaflets 

 ovate to broadly so, 6-10 cm. long, 3-5 cm. wide, acuminate, 

 the lateral leaflets slightly smaller, rounded-truncate at base on 

 outer margin; racemes loosely flowered, 10-30 cm. long, short- 

 pilose, the bracts subulate, minute; flowers about 7 mm. long, 

 reddish purple; calyx-lobes depressed; legumes with stipe 10- 

 15 mm. long, the joints 2 or 3, semi-obovate, 8-13 mm. long, 



minutely pubescent. Aug.-Oct. Woods; Honshu (Totomi 



Prov.), Shikoku, Kyushu; rare. China and Formosa to 



India and Malaysia. 



6. Desmodium leptopus A. Gray. D. gardneri Benth.; 



D. tashiroi Matsum. Tokiwa-yabu-hagi. Closely allied 



to the preceding; leaflets glabrescent, with scarcely raised 

 veinlets beneath; flowers slightly larger; legumes larger and 



the joints 13-16 mm. long. Aug.-Oct. Kyushu (Yaku- 



shima and Tanegashima) ; rare. Ryukyus, Formosa, China 



to India. 



7. Desmodium laterale Schindl. D. laxum sensu auct. 

 Japon., non DC; D. polycarpon sensu auct. Japon., pro parte, 



non DC- Ryukyu-nusubito-hagi. Closely allied to No. 



5 but smaller; leaves pale green and loosely short-pilose on 

 the more prominently raised veinlets beneath, the terminal 

 leaflets 5-10 cm. long, 1.5-3 cm. wide, the lateral '/2-% as 

 long as the terminal, scarcely or much dilated on outer mar- 

 gin at base. ^Kyushu (Osumi Prov. and southw.). 



Ryukyus, Formosa, and China. 



8. Desmodium oxyphyllum DC. Hedysarum race- 

 mosum Thunb., non Aubl.; D. racemosum (Thunb.) DC; D. 

 thunbergii DC. pro parte?; D. podocarpum var. typicum, var. 

 japonicum, var. polyphyllum, var. parvijolium all of Maxim.; 

 D. japonicum. Miq., pro parte; D. oxyphyllum var. japonicum 



Matsum. Nusubito-hagi. Perennial herb, 60-120 cm. 



high, ligneous at base, thinly pilose, remotely leafy through- 

 out; stipules linear to lanceolate, 3-7 mm. long, long-acumi- 

 nate; leaflets 3, thin, acute, paler beneath, the terminal ovate 

 to broadly so, 4-8 cm. long, 2.5-4 cm. wide, broadly cuneate 

 at base, the lateral slightly smaller; racemes loosely flowered, 

 to 30 cm. long, often sUghtly branched at base, the bracts 

 deciduous; flowers 3-4 mm. long; calyx-teeth short; legumes 

 on a stipe 2-8 mm. long, the joints 1-3, broadly semi-obovate, 



5-7 mm. long, minutely pubescent on both surfaces. July- 



Oct. Woods and thickets in lowlands; Hokkaido, Honshu, 

 Shikoku, Kyushu; common. ^Korea and China to N. India. 



9. Desmodium fallax Schindl. D. japonicum Miq., pro 

 parte; D. japonicum var. dilatatum Miq.; D. podocarpum var. 

 mandschuricum Maxim.; D. fallax var. mandschuricum 

 (Maxim.) Nakai; D. fallax var. dilatatum Nakai; D. race- 

 mosum var. mandschuricum (Maxim.) Ohwi; D. racemosum 

 var. dilatatum (Nakai) Ohwi; D. podocarpum sensu auct. 

 Japon., non DC; D. podocarpum var. membranaceum Mat- 

 sum. Yabu-hagi. Closely resembles the preceding; leaves 



thinner, closely approximate near the middle of the stem, the 

 leaflets narrowly ovate to ovate, less pubescent, prominently 

 paler beneath. Sept.-Oct. Woods and thickets in low- 

 lands; Hokkaido, Honshu, Shikoku, Kyushu; common. 



Korea, Manchuria, Ussuri, and China. 



10. Desmodium podocarpum DC. D. japonicum Miq. 

 pro parte; D. podocarpum var. japonicum (Miq.) Maxim., pro 

 parte; D. podocarpum var. indicum Maxim., pro parte; D. 

 podocarpum var. latifolium Maxim, ex Matsum.; D. oxyphyl- 

 lum var. villosum Matsum.; D. racemosum var. villosum 



(Matsum.) Ohwi; D. maximowiczii Makino Maruba-nu- 



subito-hagi. Closely resembles No. 8; stems leafy through- 

 out; leaves densely pubescent, die terminal leaflets broadly ob- 

 ovate. Woods and thickets; Honshu, Shikoku, Kyushu; 



common. Korea, Formosa, China to India. 



17. SMITHIA Ait. 



Shiba-nemu Zoku 



Herbs widi odd- or even-pinnate leaves, the leaflets small, exstipellate; stipules membranous, persistent, usually attached above 

 the base and peltate; flowers yellowish or purplish, in axillary racemes, the bracts and bracteoles membranous or rather leaflike, 

 persistent; calyx deeply 2-lobed, the upper lobes 2-toothed, the lower 3-toothed; legumes enclosed in the calyx, the joints few, 

 strongly or slighdy flattened, sometimes tuberculate. Tropics of Asia and Africa. 



