“Loasaceae”的意思、由来-百科全书

Loasaceae

plant family

mostly tropical American plant family of 14 genera and 265 species of the dogwood order (Cornales), many with painfully stinging hairs but beautiful and often bizarre flowers in red, orange, yellow, or white. The plants are frequently twining and mostly herbaceous. The genus Loasa, with about 100 species from Mexico to the Andes, has nettle-like stinging hairs that can result in discomfort for days; its oddly formed flowers have five pouchlike yellow petals covering united stamens and distinctive large coloured nectaries. The closely related Caiophora (or Cajophora), with about 65 tropical American species, as withLoasa, mostly grows in rocky slopes of cool Andean areas and also has stinging hairs.

The clusters of red-orange, pouchlike petals of C. lateritia measure about 5 cm (2 inches) across, on a twining plant up to 6 metres (about 20 feet) long. Species of the genus Mentzelia have nonstinging but hooked hairs. Some have satiny orange blooms smaller than the 6-cm (2.4-inch), cupped, five-petalled flowers of blazing star (M. laevicaulis) of western North America. The yellow, fragrant blooms of blazing star open in the early evening. A few Loasaceae grow in Africa, western Asia, and Polynesia (Marquesas Islands).

词条	Loasaceae
释义	Loasaceae plant family mostly tropical American plant family of 14 genera and 265 species of the dogwood order (Cornales), many with painfully stinging hairs but beautiful and often bizarre flowers in red, orange, yellow, or white. The plants are frequently twining and mostly herbaceous. The genus Loasa, with about 100 species from Mexico to the Andes, has nettle-like stinging hairs that can result in discomfort for days; its oddly formed flowers have five pouchlike yellow petals covering united stamens and distinctive large coloured nectaries. The closely related Caiophora (or Cajophora), with about 65 tropical American species, as withLoasa, mostly grows in rocky slopes of cool Andean areas and also has stinging hairs. The clusters of red-orange, pouchlike petals of C. lateritia measure about 5 cm (2 inches) across, on a twining plant up to 6 metres (about 20 feet) long. Species of the genus Mentzelia have nonstinging but hooked hairs. Some have satiny orange blooms smaller than the 6-cm (2.4-inch), cupped, five-petalled flowers of blazing star (M. laevicaulis) of western North America. The yellow, fragrant blooms of blazing star open in the early evening. A few Loasaceae grow in Africa, western Asia, and Polynesia (Marquesas Islands).
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