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Portia Tree

Thespesia populneafam. Mimosaceae
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pressed specimen — portia tree
Pl. 1486 — Thespesia populnea
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I

Overview

The Portia Tree (Thespesia populnea) is a member of the Mimosaceae family and is native to a wide range of tropical regions including Aldabra, Andaman Islands, Assam, Bangladesh, and many other locations across Asia, Africa, and the Pacific Islands. This versatile tree thrives in full sun and adapts to both dry and moist conditions, making it suitable for various environments. Known for its edible parts—flowers, fruits, and leaves—the Portia Tree is a valuable resource in many local communities. Its distinctive feature includes a height of up to 10 meters, and it can grow as either a tree or shrub, depending on environmental factors. The Portia Tree is hardy in zones 10-12 and can be propagated through seeds or cuttings. It thrives in well-drained soils that are light (sandy), medium, or heavy (clay), with a preferred soil pH between 6 and 7.5. The tree's edible parts make it a versatile addition to gardens, where it can be enjoyed for its culinary uses. While primarily ornamental and not medicinal, the Portia Tree offers practical benefits such as dye, fencing, fiber, and fire starter, among others. However, it should be noted that the tree has potential as a weed in some areas.

Quick answers

What is Portia Tree?

The Portia Tree (Thespesia populnea) is a member of the Mimosaceae family and is native to a wide range of tropical regions including Aldabra, Andaman Islands, Assam, Bangladesh, and many other locations across Asia, Africa, and the Pacific Islands.

Growingconditions · propagation · uses
V

Cultivation

The Portia Tree thrives in full sun and prefers well-drained soils that are light (sandy), medium, or heavy (clay). It is adaptable to both dry and moist conditions but requires regular watering during establishment. The tree can grow up to 10 meters tall and is hardy in zones 10-12. For propagation, use seeds or cuttings. Edible parts include flowers, fruit, and leaves, making it a versatile addition to gardens where it can be enjoyed for its culinary uses. Adjust soil pH between 6 and 7.5 for optimal growth.
Light
Full sun
Water
Dry, Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
10-12
Habit
Tree, Shrub
Mature size
10.0 m tall
Soil pH
6–7.5
For first-time growers

How to grow Portia Tree for the first time

7steps

Start with a simple and low-maintenance tree that thrives in full sun and well-draining soil.

  1. 1

    What you'll need

    A young Portia Tree sapling, a pot or planting site, good quality topsoil, and mulch.

  2. 2

    Best time to plant

    Plant in spring when the weather is warm and stable.

  3. 3

    Soil and container prep

    Ensure soil is well-draining with a pH between 6 and 7.5; use a pot with drainage holes if planting in containers.

  4. 4

    Sowing or transplanting

    Transplant the sapling to its permanent spot, ensuring it has enough space to grow to about 10 meters.

  5. 5

    First two weeks

    Water regularly but avoid overwatering; keep the soil moist but not waterlogged.

  6. 6

    Ongoing care

    Provide full sun exposure and regular watering, especially during dry periods. Prune to maintain shape if needed.

  7. 7

    Harvest or pruning

    Prune in late winter to early spring to encourage new growth; harvest leaves, flowers, and fruits as desired.

VI

Edible & utility

Edible parts:FlowersFruitLeaves
Edible uses: Gum
Other uses:DyeFencingFiberFire starterLumberCover cropGumHairHedgerowPest controlLightingPlant supportWind breakerErosion controlWeaving materialTanninWaterproofing
Contextrange · companions · related
VII

Distribution

63 native · 49 introduced
Distribution across4 continents· 63 native· 49 introduced
Asia13 regions
native (12)BangladeshCambodiaChinaIndiaMaldivesMyanmarOmanPhilippinesSri LankaTaiwanThailandVietnam
introduced (1)Pakistan
Americas15 regions
native (1)United States
introduced (14)BahamasBelizeColombiaCosta RicaCubaDominican RepublicGuyanaHaitiHondurasJamaicaNicaraguaPuerto RicoSurinameVenezuela
Africa22 regions
native (10)ComorosDjiboutiEritreaKenyaMadagascarMauritiusMozambiqueSeychellesSudanTanzania
introduced (12)BeninBurkina FasoCabo VerdeCameroonGambiaGhanaGuineaLiberiaNigeriaSenegalSomaliaTogo
Oceania7 regions
native (6)FijiNauruNew CaledoniaSamoaTongaVanuatu
introduced (1)Tuvalu
Broader regions
native:Aldabra, Andaman Is., Bismarck Archipelago, Borneo, Caroline Is., Cocos (Keeling) Is., Gilbert Is., Hainan, Jawa, Laccadive Is., Lesser Sunda Is., Line Is., Malaya, Maluku, Marianas, Marquesas, Marshall Is., Nansei-shoto, New Guinea, Nicobar Is., Niue, Pitcairn Is., Queensland, Rodrigues, Society Is., Solomon Is., South China Sea, Sulawesi, Sumatera, Tuamotu, Tubuai Is., Wake I., Wallis-Futuna Is.
introduced:Aruba, Bermuda, Brazil Northeast, Cayman Is., Cook Is., Easter Is., Florida, Leeward Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Netherlands Antilles, Panamá, Southwest Caribbean, Tokelau-Manihiki, Trinidad-Tobago, Turks-Caicos Is., Venezuelan Antilles, Windward Is., Zaïre
XI

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