Phreatia_listeri

<i>Phreatia listeri</i>

Phreatia listeri

Species of orchid

Phreatia listeri, commonly known as the Christmas Island caterpillar orchid,[2] is a plant in the orchid family and is an epiphyte with four to six flat, blunt leaves in a fan-like arrangement. A large number of tiny, greenish white flowers are arranged along a thin flowering stem. It is endemic to Christmas Island.

Quick Facts Phreatia listeri, Scientific classification ...

Description

Phreatia listeri is a clump-forming epiphytic herb with a short stem, thin roots and between four and six flat, blunt, dark green leaves 40–110 mm (1.6–4.3 in) long and about 2–5 mm (0.079–0.20 in) wide in a fan-like arrangement. A large number of greenish white non-resupinate flowers 1–1.5 mm (0.039–0.059 in) long and wide are arranged along a thin flowering stem 40–80 mm (1.6–3.1 in) long. The sepals and petals are about 0.8 mm (0.031 in) long and do not spread widely. The labellum is about 1 mm (0.039 in) long and wide. Flowering occurs between September and October.[2]

Taxonomy and naming

Phreatia listeri was first formally described in 1890 by Robert Allen Rolfe who published the description in the Journal of the Linnean Society, Botany.[3][4] The specific epithet (listeri) honours Joseph Jackson Lister who, with John Maclear and the officers of H.M.S. Egeria collected the type specimen.[4]: 351 [5][6]

Distribution and habitat

Found only on Christmas Island, the orchid is common on rainforest trees.[2]

References

  1. [1]
    "Phreatia listeri". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  2. [2]
    Jones, David L. (2006). A complete guide to native orchids of Australia including the island territories. Frenchs Forest, N.S.W.: New Holland. p. 475. ISBN 1877069124.
  3. [3]
    "Phreatia listeri". APNI. Retrieved 18 January 2019.
  4. [4]
    Rolfe, Robert Allen (1890). "Collections from Christmas Island. Orchideae". Journal of the Linnean Society, Botany. 25: 358. Retrieved 18 January 2019.
  5. [5]
    "Lister, Joseph Jackson (1857 - 1927)". Australian National Herbarium. Retrieved 18 January 2019.
  6. [6]
    "Maclear, John Fiot Lee Pearse (1838 - 1907)". Australian National Herbarium. Retrieved 18 January 2019.
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