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Eucrosia is a genus of herbaceous, perennial and bulbous plants in the Amaryllis family (Amaryllidaceae, subfamily Amaryllidoideae) distributed from Ecuador to Peru. The name is derived from the Greek eu, beautiful, and krossos, a fringe, referring to the long stamens. As circumscribed in 2020, the genus contains six species. Phaedranassa and Rauhia are the genera most closely related to Eucrosia.
In cultivation, all species can be grown in pots in gritty soil in good light, being kept warm and dry when the leaves wither, and watered when the flowers or leaves begin to grow again. Only E. bicolor is widely grown. Eucrosia has been successfully used in intergeneric hybridisation with Rauhia.
Eucrosia is restricted to the central Andes of Ecuador and Peru. All of the species are found only in small areas or as small numbers of individuals. Two species are endemic to Ecuador, one to Peru. Three further species are only occasionally found in Peru, being primarily distributed in Ecuador. All species of Eucrosia are adapted to seasonally dry habitats, found on the lower, Pacific-facing slopes of the Andes and the adjacent lowlands.
Eucrosia aurantiaca · Eucrosia bicolor · Eucrosia calendulina · Eucrosia eucrosioides · Eucrosia mirabilis · Eucrosia stricklandii
Text excerpted from the Wikipedia article Eucrosia by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
