Agrostophyllinae

Agrostophyllinae is a subtribe of the orchid family, Orchidaceae, within the tribe Arethuseae. This subtribe is characterized by its diverse range of species, each with unique morphological characteristics and ecological adaptations.

Taxonomy

The subtribe Agrostophyllinae was first described by the German botanist Rudolf Schlechter in 1911. It is one of the eight subtribes within the tribe Arethuseae. The name "Agrostophyllinae" is derived from the Greek words "agrostis" (grass) and "phyllon" (leaf), referring to the grass-like leaves of many species within this subtribe.

Description

Species within the Agrostophyllinae subtribe are typically small to medium-sized epiphytic orchids, although some species are terrestrial or lithophytic. They are characterized by their sympodial growth habit, with each new growth arising from the base of the previous one. The leaves are usually linear or lanceolate, and the flowers are typically small and inconspicuous, often green or brown in color.

Distribution and habitat

Agrostophyllinae species are found in a wide range of habitats, from lowland tropical rainforests to montane forests, and from sea level to altitudes of over 2,000 meters. They are primarily distributed in Southeast Asia, including the Philippines, Borneo, Sumatra, and New Guinea, with a few species extending to the Pacific Islands and Australia.

Genera

The subtribe Agrostophyllinae includes the following genera:

• Agrostophyllum Blume
• Earina A.Rich.
• Erythrodes Blume
• Kuhlhasseltia J.J.Sm.
• Microtatorchis Schltr.
• Tainia Blume

Each of these genera has its own unique set of characteristics and adaptations, contributing to the diversity and complexity of the Agrostophyllinae subtribe.

Conservation

Like many orchids, species within the Agrostophyllinae subtribe are threatened by habitat loss due to deforestation and illegal collection for the horticultural trade. Conservation efforts are needed to protect these unique and diverse orchids and their habitats.

File:Agrostophyllum callosum - Curtis' 65 (N.S. 12) pl. 3704 (1839).jpg

Agrostophyllum callosum, a species within the Agrostophyllinae subtribe.

See also

• List of Orchidaceae genera
• Orchidaceae

References

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