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Vinca minor (common names lesser periwinkle [1] or dwarf periwinkle) is a species of flowering plant in the dogbane family, native to central and southern Europe. Other vernacular names used in cultivation include small periwinkle , common periwinkle , and sometimes in the United States, myrtle or creeping myrtle .
The common periwinkle or winkle ... It is native to the rocky shores of the northeastern, ... its range includes New Brunswick, ...
The flowers range from white with a yellow or red center to dark pink with a darker red center, with a basal tube 2.5–3 cm (1.0–1.2 in) long and a corolla 2–5 cm (0.8–2.0 in) diameter with five petal-like lobes.
Vinca difformis in habitat, Cáceres, Spain. Vinca plants are subshrubs or herbaceous, and have slender trailing stems 1–2 m (3 + 1 ⁄ 2 – 6 + 1 ⁄ 2 ft) long but not growing more than 20–70 cm (8– 27 + 1 ⁄ 2 in) above ground; the stems frequently take root where they touch the ground, enabling the plant to spread widely.
Catharanthus is a genus of flowering plants in the family Apocynaceae.Like the genus Vinca, they are known commonly as periwinkles. [3] There are eight known species. Seven are endemic to Madagascar, [4] though one, C. roseus, is widely naturalized around the world.
Vinca major is a trailing vine, spreading along the ground and rooting along the stems to form dense masses of groundcover individually 2–5 metres (6 + 1 ⁄ 2 – 16 + 1 ⁄ 2 ft) across and up to 25 centimetres (10 in) high, perhaps even 50–70 cm (20–28 in).
Vinca herbacea is a herbaceous perennial growing as a trailing vine, spreading along the ground and rooting along the stems to form clonal colonies, growing up to 10–20 centimetres (4–8 in) high.
Vinca difformis, commonly called the intermediate periwinkle, [1] is an evergreen, flowering subshrub. It grows to about 0.5 metres (1 + 1 ⁄ 2 ft) tall, and forms mats over 1 m (3 + 1 ⁄ 2 ft) across. Its whitish-blue flowers have a blooming season from late winter to early spring.