单词 | palmatiform |
释义 | > as lemmaspalmatiform palmatiform adj. Brit. /palˈmatᵻfɔːm/ , /pɑːˈmatᵻfɔːm/ , U.S. /pɑ(l)ˈmædəˌfɔrm/ [after French palmatiforme (A. H. Cassini 1818, in Dict. des sciences naturelles X. 139); R. G. Mayne gives a Latin form palmatiformis (see quot. 1857)] †(a) (of the corolla in certain plants of the family Asteraceae ( Compositae)) approaching the palmate form (obsolete); (b) (of a leaf) having palmate venation.ΚΠ 1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Palmatiformis, applied by H. Cassini to the indeterminate corols of the Synanthereæ which approach the palmate form without really possessing it: palmatiform. 1866 J. Lindley & T. Moore Treasury Bot. II. 838/1 Palmiform, palmatiform, when the numerous ribs of a leaf are arranged as in the palmate form, radiating from the top of the petiole. 1976 Jrnl. Ecol. 64 295 Cochlospermum vitifolium Spreng. (Cochlospermaceae) has very soft orbicular palmatiform leaves with five pronounced lobes. < as lemmas |
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