Imbert, E. Capitulum characters in a seed heteromorphic plant, Crepis sancta (Asteraceae): variance partitioning and inference for the evolution of dispersal rate.

Capitulum (flowerhead) size varies widely across Asteraceae species, even within the same community. Previous work has suggested that capitulum variation among species results from the contrasting ...

American Journal of Botany, Vol. 75, No. 9 (Sep., 1988), pp. 1253-1261 (9 pages) Using the young capitulum of Helianthus annuus L., a cylindrical plug of undifferentiated receptacle tissue, 1 mm in ...