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单词 psilophyton
释义
psilophyton
(once / 787955 pages)
n

WORD FAMILY
psilophyton
USAGE EXAMPLES
Principal Dawson is disposed to regard Psilophyton as a "generalised type" of plants intermediate between the Ferns and the Club-mosses.
Nicholson, Henry Alleyne, The Ancient Life History of the Ear...(2010)
n any plant or fossil of the genus Psilophyton
Hyper
tracheophyte, vascular plant
green plant having a vascular system: ferns, gymnosperms, angiosperms
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