Ehretia P.Browne

First published in Civ. Nat. Hist. Jamaica: 168 (1756)
This genus is accepted
The native range of this genus is Tropical & Subtropical Old World, Mexico to Central America, Caribbean.

Descriptions

Boraginaceae, B. Verdcourt. Flora of Tropical East Africa. 1991

Morphology General Habit
Trees or shrubs with alternate, petiolate, simple, entire or toothed leaves
Morphology Reproductive morphology Flowers
Flowers mostly small, hermaphrodite or polygamous, sessile or pedicellate in much branched axillary or terminal cymose inflorescences, the individual cymules mostly scorpioid
Morphology Reproductive morphology Flowers Calyx
Calyx mostly small, campanulate, deeply divided into 4–5 imbricate lobes, ciliate but glabrous inside; tube short
Morphology Reproductive morphology Flowers Corolla
Corolla white, yellowish or blue, campanulate or subrotate, usually small, the tube very short or longer than the lobes; lobes (4–)5(–7), oblong, imbricate, spreading or reflexed
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted at or near the throat, usually exserted; anthers oblong
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary subglobose with either 2, 2-ovuled locules or 4, 1-ovuled locules; style terminal, scarcely to deeply divided into 2 branches terminated by capitate stigmas
Morphology Reproductive morphology Fruits
Fruits subglobose, fleshy, breaking up at maturity into 2, 2-locular mericarps or 4, 1-locular mericarps
Morphology Reproductive morphology Seeds
Seeds 4 or less by abortion.
[FTEA]

Boraginaceae, E. S. Martins (Trichodesma by R. K. Brummit). Flora Zambesiaca 7:4. 1990

Morphology General Habit
Trees or shrubs.
Morphology Leaves
Leaves alternate, usually petiolate, simple, entire, dentate, crenate or serrate.
Morphology Reproductive morphology Inflorescences
Inflorescences paniculate or corymbose, usually terminal.
Morphology Reproductive morphology Flowers
Flowers hermaphrodite or polygamous, actinomorphic, subsessile or pedicellate.
Morphology Reproductive morphology Flowers Calyx
Calyx 5-lobed, deeply divided, lobes imbricate in bud.
Morphology Reproductive morphology Flowers Corolla
Corolla tube cylindrical to widely funnel-shaped; lobes 5(6), imbricate, oblong, spreading or reflexed.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5(6), inserted at the corolla-throat, exserted; anthers oblong or sagittate.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary 2- or 4-locular; style terminal, ± deeply divided into 2 branches, topped by capitate or umbilicate stigmas.
Morphology Reproductive morphology Fruits
Fruit drupaceous, subglobose; endocarp of usually 4, 1-seeded pyrenes.
[FZ]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Trees or shrubs
Morphology Leaves
Leaves alternate, entire or toothed
Morphology Reproductive morphology Flowers
Flowers mostly bisexual, regular, usually 5-merous, in much branched axillary or terminal cymose inflorescences
Morphology Reproductive morphology Flowers Calyx
Calyx deeply divided with imbricate lobes
Morphology Reproductive morphology Flowers Corolla
Corolla with cylindrical to campanulate tube and spreading or reflexed lobes
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens usually exserted, attached in or near the throat of the corolla; anthers oblong
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 2–4-celled; style terminal, ± deeply divided into 2 branches; stigmas capitate
Morphology Reproductive morphology Fruits
Fruit fleshy, the endocarp breaking up at maturity into 2 2-celled stones, 4 1-celled stones or rarely undivided.
Distribution
Genus of some 60 species, mostly in the Old World tropics, but a few from tropical America and the West Indies.
[FSOM]

Sources

  • Art and Illustrations in Digifolia

    • Digital Image © Board of Trustees, RBG Kew
  • Flora Zambesiaca

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

    • Flora of Somalia
    • 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
  • 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 2022. 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 2022. 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