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This genus is accepted, and its native range is Tanzania, Mozambique, W. Indian Ocean.
A specimen from Kew's Herbarium

[FZ]

Brexiaceae, N. K. B. Robson. Flora Zambesiaca 4. 1978

Morphology General Habit
Trees or shrubs, glabrous.
Morphology Leaves
Leaves alternate, entire or dentate to spinose-dentate, petiolate; stipules minute, caducous.
Morphology Reproductive morphology Flowers
Flowers in condensed pedunculate cymes or false umbels or fascicles, sometimes cauliflorous.
Morphology Reproductive morphology Flowers Calyx
Sepals (4)5, free, imbricate, deciduous.
Morphology Reproductive morphology Flowers Corolla
Petals (4)5, free, imbricate, spreading, deciduous.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens (4)5, slightly perigynous, inserted between and united with the disk lobes, with filaments dorsally compressed, slightly dilated near the base; anthers oblong-sagittate, versatile.
Morphology Reproductive morphology Flowers Disc
Disk (4)5-lobed, each lobe bearing 3–4(–6) stiff filaments (staminodes?).
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary narrowly ovoid-pyramidal, 5–10-angled, completely or incompletely 5(6–7)-locular, with ∞ horizontal ovules in 2 rows; style thick, simple; stigma shallowly 5(6–7)-lobed.
Morphology Reproductive morphology Fruits
Fruit drupaceous, woody, 5(6–7)-locular or eventually 1-locular, each loculus ∞-seeded.
Morphology Reproductive morphology Seeds
Seeds obovoid-oblong, angular, with black testa; embryo as long as seed.

[FTEA]

Brexiaceae, B. Verdcourt. Flora of Tropical East Africa. 1968

Morphology General Habit
Mostly small trees or shrubs, glabrous
Morphology Leaves
Leaves alternate, entire or toothed, sometimes spinously; stipules minute, very deciduous
Morphology Reproductive morphology Flowers
Flowers in umbel-like cymes, sometimes on the old wood
Morphology Reproductive morphology Flowers Calyx
Sepals imbricate, not persistent
Morphology Reproductive morphology Flowers Corolla
Petals coriaceous, spreading, imbricate and twisted to right or left in the bud
Morphology Reproductive morphology Flowers Disc
Disk 5-lobed, the lobes alternating with the stamen-bases and each bearing 3–4(–6) stiff filaments (these lobes may be interpreted as clusters of staminodes)
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4–5, slightly perigynous, inserted between the lobes of the disk; filaments slightly dilated near the base; anthers dehiscing inwards or sideways
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary elongate-ovoid, 5–10-angled, completely or imperfectly 5–7-locular, each locule with numerous ovules; style thick, simple, with 5–7-lobed stigma
Morphology Reproductive morphology Fruits
Fruit at first woody, 5–7-locular or eventually becoming 1-locular, many-seeded, indehiscent
Morphology Reproductive morphology Seeds
Seeds with sparse albumen; embryo as long as the seed.

Native to:

Aldabra, Comoros, Madagascar, Mozambique, Seychelles, Tanzania

Introduced into:

Hawaii

Brexia Noronha ex Thouars appears in other Kew resources:

First published in Gen. Nov. Madagasc.: 20 (1806)

Accepted by

  • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.

Literature

Flora Zambesiaca

  • Gen. Nov. Madag.: 20 (1806) nom. conserv.

Flora of Tropical East Africa

  • Gen. Nov. Madag.: 20 (1806), nom. conserv.

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 Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0