Polygonum POLYGONACEAE Polygonum 



and eastern Asia, Philippines, East Indies; locally in An., Che., Hup., Ki., Ku. 

 Waste places, sometimes cultivated, ornamental. 



3. Polygonum lapathifolium Linn. ■^•UH (Tsao Miao Liao; Early-sprouting Poly- 

 gonum) (G.M. 603). Erect herb, 5-25 dm. high; fls. greenish white or pink, VI- 

 VIII. Eurasia; locally in An., Che., Hup., Ki., Ku. Moist fields and ditchbanks. 



4. Polygonum viscosum Hamilt. ex D. Don Hjg (Hsiang Liao; Fragrant Polygonum) 

 (Mak. F. 623). Ascending herb, 4-8 dm. high; fls. deep pink, IX-X. Southeastern 

 Asia; locally in Che., Hup., Ku. Roadside weed. 



5. Polygonum barbatum Linn. var. gracile (Danser) Steward ^H (Mao Liao; 

 Hairy Polygonum) (Ste. Po. 55). Weak-stemmed herb; fls. V-VI. Southeastern 

 Asia; locally in An., Ku. Roadside weed. 



6. Polygonum japonicum Meisn. 3£!if^ (Ts'an Chien Ts'ao; Silkworm-cocoon Herb) 

 (Mak. F. 618). Erect herb, 5-10 dm. high; fls. white or pink, VII-IX. Eastern 

 Asia; locally in An., Che., Hup., Ku. Moist places. 



7. Polygonum jucundum Meisn. (DC. P. 14:103). Slender herb, 3-6 dm. high; fls. 

 white or pinkish, IX-X; fr. black; fls. conspicuously exserted. Eastern and 

 central China; locally in Che., Hup., Ku. Moist places. 



8. Polygonum hydropiper Linn. Water Pepper 7.RH (Shui Liao; Water Polygonum) 

 (G.M. 584). Erect or ascending herb, 2-6 dm. high; fls. greenish, IX-X, Eurasia; 

 locally in An., Che., Hup., Ki., Ku. Wet places. 



9. Polygonum caespitosum Blume (P. blumei Meisn.) Hi? (Ma Liao; Horse Poly- 

 gonum) (Mak. F. 616; Ste. Po. 67). Creeping herb; fls. white or rose, VII-IX; 

 achenes smooth. Eastern Asia; locally in An., Che., Hup., Ki., Ku. Roadside 

 weed. 



10. Polygonum criopolitanum Hance (Ste. Po. 70). Creeping herb; fls. VIII. Southern 

 and central China; locally in Che., Hup., Ki., Ku. Field weed. 



11. Polygonum nepalense Meisn. {P. alatum Hamilt.) WW$£%- ( Yeh Ch'iao Mai; 

 Wild Buckwheat) (Mak. F. 623). Annual, 1-5 dm. high; fls. pinkish, VII- VIII. 

 Eastern Asia, Africa; locally in An., Che., Hup., Ki. Field weed. 



12. Polygonum perfoliatum Linn. Sfe'jf (Kang Pan Kuei) (Mak. F. 621). Climbing 

 herb; fls. white or pink; fr. blue, baccate, VIII-IX. Eastern Asia; locally in 

 An., Che., Hup., Ki., Ku. Moist thickets. 



13. Polygonum senticosum (Meisn.) Franch. & Savat. %V\ (Lang Yin; Verandah 

 Cushion) (Mak. F. 621). Climbing herb; fls. white or pink, VIII-IX; fr. brown, 

 IX-X. China and Japan; locally in Che., Ki., Ku. Roadside weed. 



14. Polygonum thunbergii Sieb. & Zucc. var. maackianum (Regel) Maxim. MMM 

 (Lu T'i Ts'ao; Deer-hoof Herb) (Mak. F. 620). Decumbent herb; fls. white or 

 pink, VIII-IX. Eastern Asia; locally in An., Che., Hup., Ku. Moist shaded 

 places. 



15. Polygonum dissitiflorum Hemsl. (F.H.E. 2:338). Brg. herb, to lm.; fls. pink 

 or white, VII-VIII, few and scattered. Eastern China, Korea; locally in An., 

 Che., Ki. Forest shade. 



16. Polygonum strigosum R. Br. var. pedunculare (Wall.) Steward (Ste. Po. 91). 

 Ascending herb; fls. pink, VII-IX, in short spikes. Eastern Asia to Australia; 

 locally in An., Ku. Moist places. 



17. Polygonum multiflorum Thunb. HUTU (Ho Shou Wu; The Black-haired Ho) 

 (Mak. F. 625). Woody vine; fls. greenish white, IX-X; fr. X-XI; root medicinal, 

 for turning white hair black. Eastern Asia; locally in An., Ku. Roadside thickets. 



98 



