Century Dictionary and Cyclopedia
- n. In botany, a petiole which usurps the form and function of a leaf-blade, as in many species of Acacia. It has usually been further distinguished from a true blade by the statement that it normally presents the edges instead of the faces to the earth and sky; but recent investigation proves that this does not. always hold good, since some undoubted phyllodia are not vertical, but are dorsiventrally placed, like true leaves. The South American Oxalis bupleurifolia is an example. Also
phyllode. See also cut under petiole.
- n. botany A petiole dilated into the form of blade, and usually with vertical edges, as in the Australian acacias.
GNU Webster's 1913
- New Latin, from Ancient Greek. (Wiktionary)
“Martins proposes to apply the word 'cladodium' to such expansions, just as the term phyllodium is applied to the similar dilatation of the leaf-stalks.”
“To this species may perhaps be referred Cassia linearis of Cunningham MS., discovered by him in 1817, but which appears to differ in having a single prominent gland about the middle of its phyllodium: Bentham's plant being entirely eglandular.”
“Cassia phyllodinea is one of the very few species of the genus, which, like the far greater part of New Holland Acaciae lose their compound leaves, and are reduced to the footstalk, or phyllodium, as it is then called, and which generally becomes foliaceous by vertical compression and dilatation.”
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