New aspects in floral development of Papilionoideae: initiated but suppressed bracteoles and variable initiation of sepals.

Abstract excerpt

BACKGROUND AND AIMS: The increase of molecular data and the resulting insights into legume systematics make the search for new morphological characters and a careful re-investigation of already stated characters necessary. Bracteoles are small, reduced leaves borne close to the base of lateral branches. Although they seem unimportant in older buds, they have an ecological function in protecting the sepal...

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