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Vinca major, with the common names bigleaf periwinkle, large periwinkle, greater periwinkle and blue periwinkle, is a species of flowering plant in the family Apocynaceae, native to the western Mediterranean. Growing to 25 cm (10 in) tall and spreading indefinitely, it is an evergreen perennial, frequently used in cultivation as groundcover.
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.
Flowers are usually solitary in the leaf axils. Each has a calyx with five long, narrow lobes and a corolla with a tubular throat and five lobes. [7] Catharanthus roseus, known formerly as Vinca rosea, is a main source of vinca alkaloids, now sometimes called catharanthus alkaloids.
Discover the pros, cons, and key differences between annual vs. perennial flowers and learn which to choose to make your garden vibrant in 2024.
When infected with a toxic mold that grows on it, the plant has been linked to outbreaks of Australian stringhalt. [23] Taxus: Yews [16] Trifolium pratense: Red clover [3] Vinca major: Blue periwinkle or large periwinkle [10] Wislizenia refracta: Jackass clover [8] Xanthium strumarium: Cocklebur [5] Zephyranthes atamasca: Atamasco lily or rain ...
An annual is a plant that can be sowed, achieve germination, blossom, and wither over the course of a year. Offering almost endless variety and near-instant gratification, annuals are the heroes ...
Monocarpic plants are not necessarily annuals, because some monocarpic plants can live a number of years before they will flower. In some monocarpic plants, flowering signals senescence , while in others the production of fruits and seeds causes changes within the plants which lead to death.
Floriculture crops include cut flowers [1] and cut cultivated greens, bedding plants (garden flowers or annuals, and perennials, houseplants (foliage plants and flowering potted plants). [2] [3] These plants are produced in ground beds, flower fields or in containers in a greenhouse. Protected cultivation is often used because these plants have ...