Dipterocarpaceae

Marquesia Gilg

First published in Bot. Jahrb. Syst. 40: 485 (1908)
This genus is accepted
The native range of this genus is W. Central & S. Tropical Africa to Tanzania.

Descriptions

Dipterocarpaceae, B. Verdcourt. Flora of Tropical East Africa. 1989

Morphology General Habit
Tall or medium-sized buttressed trees
Morphology Leaves
Leaves evergreen, acuminate; midrib and lateral nerves prominent beneath with tertiary venation densely reticulate; indumentum of simple isolated short thick-walled hairs and with minute spherical glands on nerves and venation
Morphology Reproductive morphology Flowers
Flowers small in terminal and axillary panicles; sepals velvety pubescent; petals ± glabrous
Morphology Reproductive morphology Flowers Receptacle
Receptacle produced into a broad androgynophore
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens numerous with short anthers, the connectives not appendaged
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary ovoid, pubescent, 1-locular above with parietal placentation; ovules 6
Morphology Reproductive morphology Fruits
Fruit ovoid, surrounded by 5 equal wings derived from the accrescent sepals.
[FTEA]

Dipterocarpaceae, P. Duvigneaud. Flora Zambesiaca 1:2. 1961

Morphology General Habit
Tall trees with buttresses.
Morphology Leaves
Leaves evergreen, acuminate; midrib and lateral nerves slightly depressed above and prominent beneath; reticulation very dense, isodiametrical; indumentum composed only of simple isolated short pachydermatous hairs; minute spherical glands generally dispersed on nerves and reticulation.
Morphology Reproductive morphology Flowers
Flowers small, in large terminal panicles, with very hairy sepals and glabrescent petals; receptacle produced into a broad, elevated and conspicuous androgynophore.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens numerous; anthers short, not produced at the apex into a sterile appendage.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary hairy, 1-locular at the apex, with parietal placentation; ovules 6.
Morphology Reproductive morphology Fruits
Fruit ovoid-conical, with a parchment-like pericarp, surrounded by the 5 equal wings of the accrescent calyx.
[FZ]

Sources

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of Tropical East Africa

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

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 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 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0