Overview

Distribution

Range Description

This species is found throughout the eastern islands of Indonesia. The taxon is reported to occur in Sulawesi, the Moluccas Islands, the Banda Islands and Papua, Indonesia (Lavarack 1995, Baker and Baker 1996, Lavarack et al. 2000).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species is a medium-sized orchid which grows as an epiphyte, terrestrial or litophyte in a wide range of habitats, such as on the ground, in forest litter, along dry watercourses, on trees in mountain forest, on limestone soils and on limestone rocks, among grasses, on dry calcareous ground, under shrubs, on open sunny eastern slopes and on barren conglomerate rocks, from sea level to 1,900 m asl. It flowers in the spring (Lavarack 1995, Baker and Baker 1996, Lavarack et al. 2000).

Systems
  • Terrestrial
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Depth range based on 8 specimens in 1 taxon.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 16 - 42
  Temperature range (°C): 24.911 - 24.911
  Nitrate (umol/L): 0.152 - 0.152
  Salinity (PPS): 35.378 - 35.378
  Oxygen (ml/l): 4.733 - 4.733
  Phosphate (umol/l): 0.175 - 0.175
  Silicate (umol/l): 0.812 - 0.812

Graphical representation

Depth range (m): 16 - 42
 
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2013

Assessor/s
Romand-Monnier, F.

Reviewer/s
Rankou, H.

Contributor/s

Justification
Dendrobium lancifolium is rated as Least Concern due to its large geographic range, very low habitat specificity and occurrence within several conservation units. It has been collected across its range in recent years and although there are general threats of habitat loss in the region, this species is not under imminent threat of extinction.
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Population

Population
This orchid appears to be widespread throughout its range and locally common. The taxon was reported to be very common in Ambon in 1905 (Baker and Baker 1996, Lavarack et al. 2000). The size and dynamics of the current population are unknown.

Population Trend
Unknown
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Threats

Major Threats
Habitat loss is the main threat within the range of this species. The ability of this orchid to regenerate and persist in disturbed and secondary vegetation is unknown. As an attractive ornamental, individuals may be extracted from the wild for the horticultural trade. Impacts on the population are unknown.
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Management

Conservation Actions

Conservation Actions
This species has been collected within several conservation units throughout its range. The taxon is grown ex situ in botanical institutions and by orchid amateurs. This orchid is currently listed on Appendix II of the Convention on International Trade in Endangered Species (CITES). As with all orchids, the taxon should not be removed from the wild. Micropropagation protocols if they do not already exist should be established for this species. Field surveys should be conducted to determine the current range and size of the population. Representative samples of the population should be monitored at regular intervals to detect any changes in population dynamics.
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