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Bulletin of Botanical Research ›› 2010, Vol. 30 ›› Issue (4): 390-393.doi: 10.7525/j.issn.1673-5102.2010.04.002

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Chimonocalamus peregrinus Yi et L. S. Ma——A New Species of Chimonocalamus Hsueh et Yi

MA Li-Sha;YI Tong-Pei*;SHI Jun-Yi;LI Ben-Xiang   

  1. 1.Sichuan Agricultural University,Dujiangyan 611830;2.Southwest Flower Resaerch Center,Chinese Academy of Forestry,Kunming 650224;3.Sichuan Changningxian Shiji Bamboo Garden,Changning 644300
  • Received:1900-01-01 Revised:1900-01-01 Online:2010-07-20 Published:2010-07-20
  • Contact: YI Tong-Pei
  • Supported by:

Abstract: Chimonocalamus peregrinus Yi et L. S. Ma, a new species of the Bambusoidiae introduced from the Sichuan(Seed from Yen Tong of Lai Chau, Viet Nam), is described and illustrated.This new species is near Chimonocalamus makuanensis Hsueh et Yi[1,3~5], but not the internodes green, glabrous, youngly a little farinaceous and densely covered violet pucticulate, cylindric or canaliculate and back in base or inferomedian of ramous side, glabrous, aerial root-spine shorter, 1~3 mm long, culm-sheathes shorter than interrnode, without colour stripe, ligule triangle, “W” form or rare truncate, 1~2 mm tall, leaves (4)6~8 per ultimate branch, oral setae 2~4, 3~4 mm long, blade lower surface pale green; it differs from Ch.bicorniculatus S. F. Li et Z. P. Wang by its shoot intiation in the spring and autumn[2,4,5], glabrous internode, canaliculate and back in base or inferomedian of ramous side, aerial root separate, culm-sheathes shoulder even lower than middle, ligule 1~2 mm long, leaves (4) 6~8 per ultimate branch, blade 8.5~13 cm long, 6~10 mm broad, secondary veins 3(4)-paired.

Key words: Chimonocalamus peregrinus Yi et L. S. Ma, New species, Sichuan, Introduced, China

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