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单词 merithal
释义 merithal Bot.|ˈmɛrɪθæl|
Also in mod.L. form meriˈthallus (pl. -thalli).
[f. Gr. µέρο-ς part + θαλλός a young shoot, frond.]
A name originally given by Du Petit-Thouars (1756-1831) to an internode, but later applied with qualifying word to each of the three parts of the plant leaf, and by Gaudichaud to each of the three parts of a compound plant, the radicular, cauline and foliar merithal.
1849Rep. & Pap. Botany (Ray Soc.) 255 On Gaudichaud's Theory of the Merithals.1849Balfour Man. Bot. §139, §169, §639.
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