The Collaborative International Dictionary
Phyllodia
Phyllodium \Phyl*lo"di*um\, n.; pl. Phyllodia. [NL., fr. Gr. ? leaflike; ? leaf + e'i^dos form.] (Bot.) A petiole dilated into the form of a blade, and usually with vertical edges, as in the Australian acacias.
Wiktionary
phyllodia
n. (plural of phyllodium English)