Reviewed public profile
Oblong Trias
Bulbophyllum oblongum
Cool to intermediate epiphyte from lower montane forests of northeast India, Bangladesh, Myanmar and Thailand. It carries clustered oblong pseudobulbs and small leaves, with short inflorescences of yellow to orange flowers. Prefers partial shade, high humidity and good air movement.
Growing profile
At a glance
- Plant type
- orchid
- Typical size
- small 8–15cm
- Light
- Indirect
- Humidity
- 70–90%
Native context
Distribution and habitat
- Countries
- Bangladesh, India, Thailand
- Elevation
- Submontane (500–1,000 m)
- Flowering
- Spring
Derived growing context
Climate range
- Temperature profile
- Cool → Warm
- Mean temperature
- 13–22 °C
- Day temperature
- 16–26 °C
- Night temperature
- 10–19 °C
- Summer mean
- 19–25 °C
- Winter mean
- 11–16 °C
- Temperature span
- 16 °C
- Annual temperature swing
- 3–14 °C
- Seasonality
- Aseasonal, Four seasons
- Adaptability
- Moderately adaptable
Country map loads as it comes into view. The country list remains available here.
- Bangladesh
- India
- Thailand
Country boundaries: Natural Earth, public domain.
Ecosystems
Explore ecosystem knowledge
Ecosystem evidence
Habitat-specific growing context
Rainforest
Consistently wet; high humidity
- Latitude
- Tropical
- Moisture
- Very humid
- Elevation
- Submont
- Seasonality
- Aseasonal
- Mean temperature
- 22 °C
- Day temperature
- 25 °C
- Night temperature
- 19 °C
- Annual temperature swing
- 3 °C
Wet forest
Very humid forest; frequent wetness
- Latitude
- Subtropical, Tropical
- Moisture
- Humid, Very humid
- Elevation
- Submont
- Seasonality
- Aseasonal
- Mean temperature
- 18–22 °C
- Day temperature
- 21–26 °C
- Night temperature
- 15–19 °C
- Annual temperature swing
- 3–8 °C
Moist forest
Moderately humid forest
- Latitude
- Subtropical
- Moisture
- Humid
- Elevation
- Submont
- Seasonality
- Aseasonal
- Mean temperature
- 18 °C
- Day temperature
- 22 °C
- Night temperature
- 15 °C
- Annual temperature swing
- 8 °C
Temperate rainforest
Cool/wet coastal orographic forests
- Latitude
- Warm temperate
- Moisture
- Very humid
- Elevation
- Submont
- Seasonality
- Four seasons
- Mean temperature
- 13 °C
- Day temperature
- 16 °C
- Night temperature
- 10 °C
- Annual temperature swing
- 14 °C
Temperate forest
Four-season forest zones
- Latitude
- Warm temperate
- Moisture
- Humid
- Elevation
- Submont
- Seasonality
- Four seasons
- Mean temperature
- 13 °C
- Day temperature
- 17 °C
- Night temperature
- 10 °C
- Annual temperature swing
- 14 °C
Seasonal context
- Very small annual temperature swing; fairly consistent through the year
- Pronounced annual temperature swing (temperate climates)
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