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The seedling characters of Chinese Calycanthaceae with a new species of Chimonanthus Lindl.

Chang Roh-Hwei, Ding Chen-Sen   

  1. Zhejiang Forestry College
  • Received:1900-01-01 Revised:1900-01-01 Online:1980-08-18 Published:1980-08-18
  • Contact: Chang Roh-Hwei

Abstract:

 This paper deals with morphological characters in seedlings and adult plants of 5
species of Chinese Calycanthaceae.  The germination of seeds, morphology of cotyledons,
hypocotyl and primary leaves of these species are enumerated, for example, the Chimon-
anthus campanulatus, sp. nov. is characterized by half-hypogaeous and tetragonal coty-
ledons, whereas other species epigaeous; the cotyledons of Calycanthus  chinensis  is
obtriangular, Chimonanthus praecox, Ch. salicifolius and Ch. nitens are reniform.  On
the morphological characters of these adult plants and geographical distribution of 4
species of Chimonanthus are keyed.  In addition a new species, Chimonanthus campa-
nulatus, is described and it represents a more primitive type of the genus.