Vinca difformis Pourr.

Vinca difformis Pourr.
Mem. Acad. Toul. 3: 333. 1788.

Vinca (from Latin vincire: "to bind, fetter")

Synonyms:
Pervinca media (Hoffmgg. & Link) Caruel, n Parl. Fl. Ital. 11. 709. 1886.
Pervinca sicula Raf., Autik. Bot. 184. 1840.
Vinca acutiflora Bertol. ex Koch, Syn. Fl. Germ. ed. II. 557.
Vinca difformis f. alba A.D.Atzei & V.Picci, in Arch. Bot. Biogeogr. Ital., 51(4): 186. 1975, without type.
Vinca difformis f. variegato-flore A.D.Atzei & V.Picci, in Arch. Bot. Biogeogr. Ital., 51(4): 186. 1975, without type.
Vinca difformis subsp. sardoa Stearn, Bot. J. Linn. Soc. 65(2): 255. 1972.
Vinca major Brotero, Fl. Lusit. 1: 280. 1804. nom. illeg.
Vinca media Hoffmgg. & Link, Fl. Port. i. 376. t. 70.
Vinca minor subsp. media (Hoffmanns. & Link) Bonnier & Layens
Vinca obtusiflora Pau, Not. Bot. Fl. Espan. 3. 20. 1889.
Vinca sardoa (Stearn) S.Pignatti, Giorn. Bot. Ital., 111(1-2): 50. 1977.