Acanthospermum glabratum (DC.) Wild

First published in Kirkia 6: 6 (1967)
This species is accepted
The native range of this species is SE. Brazil. It grows primarily in the seasonally dry tropical biome.

Descriptions

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: threatened. Confidence: confident
[AERP]

Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

Morphology General Habit
Annual herb, prostrate, often mat-forming.
Morphology Leaves
Leaves elliptic, broadly ovate to almost round, 1–4.5 cm long, 0.8–4 cm wide, base truncate or shortly cuneate, margins subentire to dentate, apex acute or obtuse, pubescent but quickly glabresecnt, densely glandular; petiole to 1 cm long.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula axillary, on a short stalk; involucre 3 mm long, accrescent in fruit and then up to 10 mm long; phyllaries ciliate.
Morphology Reproductive morphology Flowers Florets
Florets yellow or greenish cream, the rays 1.4 mm long and glandular; disc florets ± 2 mm long, glandular.
Morphology Reproductive morphology Fruits
Fruits usually 4–5, oblong, 8–10 mm long, 5–7-ribbed, the angles with 1–2 rows of hooked spines 1–2 mm long, apex with large pore, glandular.
Habitat
uderal; 150–1850 m
Distribution
K3 K4 T7 originally from tropical America but now a spreading pantropical weed
[FTEA]

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