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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.
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 .
Vinca major is a commonly grown ornamental plant in temperate gardens for its evergreen foliage, spring flowers, and groundcover or vine use. Many cultivars are available, with differences in flowers, such as white to dark violet flowers, and different patterns and colors of variegated foliage.
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. The leaves are opposite, lanceolate, 1–5 cm ( 1 ⁄ 2 –2 in) long and 0.2–3 cm ( 1 ⁄ 8 – 1 + 1 ⁄ 8 in) broad, glossy green with an ...
The Vinca alkaloids bind to the β-subunit of tubulin dimers at a distinct region called the Vinca-binding domain. They bind to tubulin rapidly, and this binding is reversible and independent of temperature (between 0 °C and 37 °C). In contrast to colchicine, vinca alkaloids bind to the microtubule directly.
Once a person is infected, Marburg can spread through human-to-human transmission via direct contact with blood, secretions, organs or other bodily fluids of these individuals and with surfaces ...
Mpox is not nearly as infectious as COVID-19, but it can and does spread—and many people are fuzzy on the details of how that works, says Thomas Russo, M.D., professor and chief of infectious ...
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.