“thallogen”的英文意思_释义_用法

单词

thallogen

释义

thallogen Bot.|ˈθælədʒɛn|
[f. thall-us + -gen, after exogen, endogen, etc.]
= thallophyte.
1846Lindley Veg. Kingd. 2 Those simpler plants which exist without the distinction of leaf and stem, are also destitute of flowers... Among the many names that Botanists have given such plants, that of Thallogens is here preferred.1857Berkeley Cryptog. Bot. §55. 69 Thallogens (plants in which there is a fusion of root, stems, and leaves into one general mass).1858Carpenter Veg. Phys. §123.
Hence thalloˈgenic, thaˈllogenous adjs., of or pertaining to the thallogens; of the nature of a thallogen.
1854Balfour in Encycl. Brit. (ed. 8) V. 146/1 Lichens..belong to the Thallogenous division of Cryptogamics.1857H. Miller Test. Rocks i. 9 The first class..in the ascending order is this humble thallogenic class.

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