Fauna
Plant

Guam Coelogyne

Coelogyne guamensis

Guam coelogyne is an epiphytic and lithophytic orchid native to the tropical limestone forests of the Mariana Islands. Clusters of clustered pseudobulbs anchor firmly to moss-covered tree trunks or rocky outcrops, producing arching inflorescences bearing elegant, pale blossoms with delicate lip markings. Adapted to humid oceanic air and seasonal monsoons, it plays a vital microhabitat role in the island canopy by trapping moisture and organic debris.

EpiphyticOrchidTropical
Guam Coelogyne reference1 / 3
(c) Rachael Kaiser, some rights reserved (CC BY) · cc-by
—observations
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Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Key facts
Diet & preyAutotrophic (photosynthesis)
Predators
  • Feral pigs
  • Philippine deer
  • Introduced snails and slugs
ThreatsHabitat destruction, feral pig rooting, typhoon damage, and overcollection
HabitatsMoist limestone forests, cloud forests, and wooded ravine cliffs
Life spanPerennial (decades via clonal pseudobulb division)
Classification
  1. FamilyOrchidaceae
  2. SpeciesCoelogyne guamensis
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Safe to observe at a normal distance.
What to notice
Look for clustered smooth green pseudobulbs topped with broad plicate leaves and nodding sprays of pale orchid blooms.
Support conservation
Keep your distance on designated trails and avoid touching or dislodging epiphytic mats on host tree branches.
Responsible observation
  • Field Observation: Look closely along mossy mid-canopy tree forks and shaded karst limestone outcrops in mature native forests.
  • Plant Protection: Never remove or disturb wild pseudobulbs, as island orchid populations are vulnerable to localized extirpation.
Related species
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