Nyctaginaceae
Pisonia

Pisonia grandis R.Br.

First published in Prodr. Fl. Nov. Holland.: 422 (1810)
This species is accepted
The native range of this species is SE. Kenya to NE. Tanzania, Indian Ocean to Pacific. It is a shrub or tree and grows primarily in the wet tropical biome.

Descriptions

Nyctaginaceae, Christopher Whitehouse. Flora of Tropical East Africa. 1996

Morphology General Habit
Tree or shrub to 28 m. tall; stems without thorns.
Morphology Leaves
Leaves opposite or subopposite, elliptic, oblong or ovate, to 30 cm. long, 18 cm. wide, puberulous, glabrescent; petiole to 6 cm. long.
Morphology Reproductive morphology Inflorescences
Inflorescences terminal cymose clusters; flowers bisexual or possibly unisexual; peduncle ± 1.5 cm. long.
Morphology Reproductive morphology Flowers Perianth
Perianth funnel-shaped, 5-lobed, ± 4 mm. long.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 6–10.
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma fimbriate, not exserted.
Morphology Reproductive morphology Fruits
Fruit cylindrical to clavate, 8–12 mm. long, 2–2.5 mm. wide, ribbed; ribs with soft viscid, prickle-like glandular hairs.
Habitat
Coral outcrops along the coast; shoreline
Distribution
K7 T3 previously known only from the coasts of islands of the Indian Ocean, SE. Asia, Malesia, western Pacific and northern Australia
[FTEA]

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0