Haiti-Haiti
Scientific name: Thespesia populnea
POWO Status: Tree
IUCN Red List threat level: Least Concern
GPS Location: 17° 42′ 59.32″ N, 64° 49′ 47.35″ W
The most common botanical name for this species is Portia. Haiti-Haiti is regional to the US Virgin Islands

























Observations:
Thespesia populnea – Phenology Markers
Common Names: Portia Tree, Seaside Mahoe, Milo (Hawaiian), Indian Tulip Tree
Scientific Name: Thespesia populnea
Family: Malvaceae
Native Range: Tropical Asia and the Pacific; naturalized and widespread throughout coastal regions of the Caribbean, including the Virgin Islands
General Description:
The Portia Tree is a medium-sized, fast-growing tree commonly found along tropical coastlines. Its heart-shaped leaves and showy, hibiscus-like yellow flowers (that darken to maroon as they age) make it visually striking. Highly salt-tolerant and wind-resistant, it is often used in erosion control and coastal restoration. The tree also holds traditional value for its strong, workable wood and medicinal uses.
Phenological Markers:
1. Flowering Period:
- First Sign of Budding: Late winter to early spring (February – March)
- Peak Bloom: Spring through summer (April – August)
- End of Flowering: Late fall (October – November)
- Flower Characteristics: Large, hibiscus-like flowers; bright yellow with a maroon center, fading to deep maroon before dropping; blooms typically last one day
2. Leaf Growth and Senescence:
- New Leaf Growth: Late winter to early spring (February – April)
- Leaf Maturity: Spring (April – May)
- Leaf Senescence: Minimal in tropical climates; may shed older leaves gradually year-round
- Leaf Characteristics: Broad, heart-shaped leaves with a glossy green surface; alternate arrangement
3. Fruit Production:
- First Sign of Fruit Development: Spring to early summer (April – June)
- Fruit Maturity: Summer to early fall (July – October)
- End of Fruiting: Late fall (November)
- Fruit Characteristics: Round, hard, woody capsules, about 1–2 inches across; mature fruits turn brown and may persist on branches or drop
4. Dormancy Period:
- Dormancy Begins: Typically none in tropical coastal climates; growth slows during dry periods
- Dormancy Ends: N/A
- Dormancy Characteristics: The tree is evergreen under favorable conditions but may experience slowed leaf growth during drought
Ecological Notes:
- Pollinators: Bees and butterflies
- Wildlife Interaction: Flowers and fruits attract insects; fallen fruits may float and aid in seed dispersal
- Soil Preferences: Thrives in sandy, coastal soils; highly salt- and wind-tolerant
- Growth Habit: Dense, rounded canopy; usually 15–30 feet tall but can grow taller in optimal conditions
Observational Guidelines:
- Best Time for Observation: April through October for full sequence of flowering and fruiting
- Key Photo Opportunities:
- Yellow blooms in the morning, maroon aging flowers in the afternoon
- Leaf flush and overall canopy shape
- Green to brown fruit capsule development
- Phenology Triggers: Rainfall and rising temperatures initiate new growth and flowering