Australian Biological Resources Study
Compiled by A.McCusker
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|aestivation: the arrangement of sepals and petals or their lobes in an unexpanded flower bud. cf. vernation.
convolute: of the arrangement of corolla lobes in a bud, a form of imbricate aestivation in which each segment has one edge overlapping the adjacent segment, like a furled umbrella.
imbricate: of perianth parts, having the edges overlapping in the bud. cf. valvate.
valvate: of perianth parts, meeting edge to edge in the bud, not overlapping. cf. imbricate.