Anchusella, a new genus ofBoraginaceae from the Central-Eastern Mediterranean

@article{Bigazzi2005AnchusellaAN,
  title={Anchusella, a new genus ofBoraginaceae from the Central-Eastern Mediterranean},
  author={Massimo Bigazzi and Enio Nardi and Federico Selvi},
  journal={Plant Systematics and Evolution},
  year={2005},
  volume={205},
  pages={241-264}
}
The two closely related speciesLycopsis variegata andAnchusa cretica, formerly placed inAnchusa subg.Rivinia, were compared with the type species ofLycopsis andAnchusa, on the basis of a set of macro and microcharacters. The presence of only two fertile stamens as well as other peculiar characters in flower structure, androecium, gynoecium, pollen and fruit, supports the institution of the new genusAnchusella, consisting ofA. variegata andA. cretica. Karyological and eco-chorological aspects… 

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TLDR
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The micromorphology of selected elements of Echium vulgare L. flowers was investigated, with special attention to the structure of the nectaries and the stigma of the pistil as well as types of

Variation in nectar-sugar profile of Anchusa and allied genera (Boraginaceae).

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Dry habitats and time of flowering are the main determinants of nectar–sugar composition in the genus Anchusa sensu lato, and small differences in sugar profiles do not reflect phylogenetic relationships based on molecular studies.

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