Chysis
Chysis is a genus of epiphytic orchids native to Central America, Mexico, and South America. These orchids are characterized by their pendant or arching inflorescences and fleshy, deciduous leaves. The genus name, Chysis, is derived from the Greek word "chysis," meaning "fusion," referring to the fused floral segments of the flower.
Description:
Chysis orchids are sympodial epiphytes, meaning they grow on other plants but do not parasitize them. They possess large, conical or spindle-shaped pseudobulbs that store water and nutrients. These pseudobulbs support several lanceolate to elliptic leaves that are typically shed during the dormant season.
The flowers of Chysis orchids are waxy and often fragrant, ranging in color from white and cream to yellow and orange. The inflorescences emerge from the base of the pseudobulbs and can bear numerous flowers. The lip of the flower is typically complex and ornamented, often with ridges or keels.
Cultivation:
Chysis orchids are considered intermediate to difficult to cultivate. They require bright, indirect light and well-draining potting mix. They also need a distinct dry rest period after flowering to stimulate future blooms. During the growing season, they require regular watering and fertilization.
Species:
The genus Chysis comprises several species, including:
- Chysis bractescens
- Chysis bruennowiana
- Chysis laevis
- Chysis limminghei
- Chysis maculata
- Chysis tricostata
Conservation:
Like many orchids, some Chysis species are threatened by habitat loss and over-collection. Conservation efforts are underway to protect these orchids in their natural habitats.