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Bulletin of Botanical Research ›› 2008, Vol. 28 ›› Issue (5): 530-533.doi: 10.7525/j.issn.1673-5102.2008.05.006

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Fagopyrum densovillosum J. L. Liu, a New Species of Polygonaceae from Sichuan,China

LIU Jian-Lin;TANG Yu;XIA Ming-Zhong;SHAO Ji-Rong;CAI Guang-Ze;LUO Qiang;SUN Jun-Xiu   

  1. (1.Department Agronomy,Xichang College,Sichuan 615013) (2.Sichuan Higher Institute of Cuision,Chengdu 610072) (3.Sichuan Agricultural University,Yaan 625014)
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-09-20 Published:2008-09-20
  • Contact: LIU Jian-Lin
  • Supported by:

Abstract: Fagopyrum densovillosum J. L. Liu, a new species of the polygonaceae from Luojishanzhen, Puge Country, Sichuan Province, China,is described. F. densovillosum is closely related to F. gracilipes (Hemsl.) Damm. et Diels By its from bottom to top foliate stems and branches, axillary and apical Racemes, ovate-triangular or broadly ovate-triangular achenes, but differs in its densely erect-villose plants, thicker stems and branches, densely nodes, shorter internodes, broadly ovate, cordate, broadly cordate, broadly ovate-cordate, ovate, long ovate, triangular-ovate or ovate-triangular and larger leaves,(0.9-)1.7-6 cm long and (0.7-)1.2-5.1 cm wide, thin rugose and small pustulate on the surface, longer petioles (0.5-)2.6-7.5 cm long, smaller achenes 1.8-2.5 mm long and 1.5-2 mm in diameter.

Key words: Fagopyrum, Fagopyrum densovillosum J. L. Liu, Polygonaceae, new species, Sichuan, China

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