Anchusa crispa subsp. valincoana (Boraginaceae), une nouvelle sous-espèce endémique de Corse
2018
Paradis, Guilhan | Piazza, Carole | Quilichini, Yann
Paradis, G., C. Piazza & Y. Quilichini (2018). Anchusa crispa subsp. valincoana Paradis, Piazza & Quilichini (Boraginaceae), a new subspecies endemic to Corsica. Candollea 73: 201–207. In French, English and French abstracts. DOI: http://dx.doi.org/10.15553/c2018v732a4 Anchusa crispa subsp. valincoana Paradis, Piazza & Quilichini (Boraginaceae), a new endemic subspecies of the littoral of the western coast of Corsica is described and illustrated. It includes four sub-populations around the Gulf of Valinco, near Propriano. It differs by several morphological characters from Anchusa crispa Viv. subsp. crispa, present on two sites of the Corsican east coast, south of Solenzara and in several localities of the north-west coast of Sardinia, notably by its reddish flowering stems, subglabrous lower surface of leaves, bracts with subglabrous upper surface and glabrous below and its flowers with dark blue corolla. It also differs from Anchusa crispa subsp. maritima (Vals.) Selvi & Bigazzi, a Sardinian endemic, located on some sites of the north coast of Sardinia, a taxon with brownish or greenish flowering stems, linear leaves and bracts with upper surface minutely pubescent.
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