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Holcoglossum

Holcoglossum amesianum plate
Holcoglossum amesianum from Lindenia Iconographie des Orchidées

Scientific Classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Liliopsida
Order: Asparagales
Family:Orchidaceae
Subfamily: Epidendroideae
Tribe: Vandeae
SubTribe: Aeridinae
Alliance:
Genus: Holcoglossum
Schlecter 1919
Type Species
Holcoglossum quasipinifolium


Holcoglossum abbreviated as Hlcgl in horticultural trade is a genus

DistributionEdit

Plants from this genus are distributed from Assam to Taiwan.

DescriptionEdit

Rather than depending on insects or even the wind for pollination, scientists have discovered that the orchid Holcoglossum amesianum actually fertilizes itself. The orchid defies gravity to twist the male part of its flower into the necessary shape to fertilize the female one.

The plant does so without the help of sticky fluids or other methods used by self-pollinating plants to ensure that the pollen reaches the egg. It grows on tree trunks in China's Yunnan province and flowers during the dry, windless months of February to April.

The orchid produces no scent or nectar. Instead, the pollen-bearing anther uncovers itself and rotates into a suitable position to insert into the stigma cavity, where fertilization takes place. This sexual relationship is so exclusive that flowers do not even transfer pollen to other flowers on the same plant.

CultureEdit

Plants are best grown mounted or in baskets and usually require moderate to full sunlight with cool to intermediate temperatures. If hunged the roots must be watered frequently. Plants should be grown in media that is well drained such as tree fern fibers (for small plants) and sphagnum moss. Plants also do well mounted on a stick with sphagnum moss.

NamingEdit

The genus is named after its tongue shaped-like lip.

Species Edit

ReferencesEdit

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