Definition of Vexilary aestivation. Meaning of Vexilary aestivation. Synonyms of Vexilary aestivation

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Definition of Vexilary aestivation

Vexilary aestivation
Vexillar Vex"il*lar, Vexillary Vex"il*la*ry, [Cf. F. vexillaire, L. vexillarius a standard bearer.] 1. Of or pertaining to an ensign or standard. 2. (Bot.) Of or pertaining to the vexillum, or upper petal of papilionaceous flowers. Vexilary [ae]stivation (Bot.), a mode of [ae]stivation in which one large upper petal folds over, and covers, the other smaller petals, as in most papilionaceous plants.

Meaning of Vexilary aestivation from wikipedia