Primrose by Elizabeth Lawson, 2019. Reaktion Books Ltd. To the uninitiated, it may seem rather improbable that anybody can write 288 pages about the primrose. After all, whilst it may be understood that primrose is a...
Ma et al. study a natural hybrid zone between two heterostylous primrose species, Primula beesiana and P. bulleyana, and find that all hybrid derivatives examined are backcrosses of first or later generations to P...
The main morphological characteristic of heterostyly is the reciprocal placement of anthers and stigmas in two distinct floral morphs; however, the partitioning of reciprocity within and between closely related species...