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Holcoglossum (Holc.) is a genus of orchids, in the family Orchidaceae. It is native from Assam through mainland China to Taiwan and Indo-China.
The small species from this genus can be cultivated in small pots or baskets or tied to cork plates. Native of cool, damp woods, they require low temperatures and a light spot. In full sun, however, there is a risk of heat build-up. The plants often need water during the growth phase, and less frequent watering during the resting phase without letting them dry out. For a pot culture, the substrate should be quite fine in order to be able to nourish the tender roots.
The large species of the subgenus Brachycentron and section Holcoglossum can be cultivated in a tether but are best suited to basket or pot culture. An exception is Holcoglossum subulifolium, which is better tied up due to its hanging growth. If regular watering is ensured, these species are best cultivated in a basket without substrate. Any substrate used should be very coarse in texture to allow good air circulation at the roots. The plants need a very bright but also cool location. They should be watered regularly, with drier periods during dormancy.
The native distribution area of the genus is Assam, Bangladesh, East Himalaya, Tibet, south-central and south-east China, Hainan, Taiwan, Laos, Myanmar, Cambodia, Thailand, and Vietnam. Many of the species come from the Yunnan province in the south-west of the People's Republic of China. Holcoglossum quasipinifolium and Holcoglossum pumilum are endemic to Taiwan. The species live at higher altitudes between 1200 m and 3300 m and thus prefer a cool to cold habitat.
Holcoglossum amesianum · Holcoglossum nagalandense · Holcoglossum quasipinifolium
Text excerpted from the Wikipedia article Holcoglossum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
