
Tupidanthus calyptratus
Tupidanthus · also Mallet flower tree
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Heptapleurum calyptratum is a relatively small tree native to the wet tropical forests of southeastern Asia. It is distinctive for its upright trunk and sprawling, lush canopy with dense, glossy, pendulous foliage. Its mallet-shaped flowers are visually unique, and parts of the tree can be mildly toxic if ingested.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 280.01%29 yr4.5 in
Traits
- Form
- Spreading
- Foliage
- Evergreen
- Mature height
- 15–20 ft
- Canopy spread
- 15–25 ft
- Water needs
- Moderate
- Drought tolerance
- Moderate
- Wildlife value
- High
- Blooms
- Mar, Apr, May, Jun, Jul, Aug
Trunk diameters across every city: median 4.5 in, mean 4.4 in, 90th percentile 9.0 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Tropical & Subtropical Moist Broadleaf Forests
- Myanmar coastal rain forests
- Northern Thailand-Laos moist deciduous forests
- Northern Vietnam lowland rain forests
- South China-Vietnam subtropical evergreen forests
- Tenasserim-South Thailand semi-evergreen rain forests
Tropical & Subtropical Coniferous Forests
- Northeast India-Myanmar pine forests