Leucospermum R.Br.

First published in Trans. Linn. Soc. London 10: 95 (1810)
This genus is accepted
The native range of this genus is S. Tropical & S. Africa.

Descriptions

Flora Zambesiaca. Vol. 9, Part 3. Polygonaceae-Myriaceae. Pope GV, Polhill RM, Martins ES. 2006.

Morphology General Habit
Small trees or shrubs, sometimes with many stems from a rootstock, sometimes (South Africa) prostrate Small trees or shrubs, sometimes with many stems from a rootstock, sometimes (South Africa) prostrate.
Morphology Leaves
Leaves often toothed at the apex Leaves often toothed at the apex.
Morphology Reproductive morphology Flowers
Flower-heads solitary or in small clusters at stem apices, subglobose; involucral bracts small, rather lax (in the Flora area), spirally inserted on the peduncle, not surrounding the flower bases; receptacle conical to flat
Morphology Reproductive morphology Flowers Perianth
Perianth base remaining tubular; claw comprising 4 lightly fused segments, the 3 adaxial ones remaining attached, but the fourth increasing in length and becoming separated from the adaxial for three quarters of its length but remaining attached at the base; limb comprising 4 segments all separating at anthesis Perianth base remaining tubular; claw comprising 4 lightly fused segments, the 3 adaxial ones remaining attached, but the fourth increasing in length and becoming separated from the adaxial for three quarters of its length but remaining attached at the base; limb comprising 4 segments all separating at anthesis.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary puberulous, scarcely differentiated from the base of the style, with a single pendulous ovule; style (at least in the Flora area) flattened and expanded at the tip to form a conspicuous pollen-presenter
Distribution
A genus of 47 species (Rourke, 1972), all except one confined to South Africa.
Morphology Reproductive morphology Inflorescences
Flower-heads solitary or in small clusters at stem apices, subglobose; involucral bracts small, rather lax (in the Flora area), spirally inserted on the peduncle, not surrounding the flower bases; receptacle conical to flat.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary puberulous, scarcely differentiated from the base of the style, with a single pendulous ovule; style (at least in the Flora area) flattened and expanded at the tip to form a conspicuous pollen-presenter.
Morphology Reproductive morphology Fruits
Fruit an ovoid to cylindric nut, glabrous or minutely puberulous. Fruit an ovoid to cylindric nut, glabrous or minutely puberulous.
[FZ]

Sources

  • Flora Zambesiaca

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

  • 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