Casuarinaceae
Casuarina

Casuarina glauca Sieber ex Spreng.

First published in Syst. Veg., ed. 16. 3: 803 (1826)
This species is accepted
The native range of this species is E. Australia. It is a tree and grows primarily in the subtropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/177363793/177368807

Conservation
LC - least concern
[IUCN]

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: not threatened. Confidence: confident
[AERP]

Casuarinaceae, C. M. Wilmot-Dear. Flora Zambesiaca 9:6. 1991

Morphology General Habit
Tree.
Morphology Branches
Deciduous branchlets 0.7–0.9 mm. in diam. with 14–15 inconspicuous ribs; scale leaves appressed, banded as in C. cunninghamiana, free pan 0.5–0.7 x 0.15 mm. Persistent branches with c. 13 ribs; free parts of scale leaves c. 2.5 mm. long, reflexed.
Morphology Reproductive morphology Inflorescences
Male inflorescence c. 2 mm. in diam., whorls of bracts 10-many, flowers c. 14 per whorl; bracts ± reflexed, free for 1.6–2 mm., banded as in leaves.
sex Male
Male inflorescence c. 2 mm. in diam., whorls of bracts 10-many, flowers c. 14 per whorl; bracts ± reflexed, free for 1.6–2 mm., banded as in leaves.
Morphology Reproductive morphology Fruits Infructescences
Infructescence 10–15 x 10–15 mm., cylindrical or depressed-ovoid; valve backs, where visible, with several fine longitudinal ridges.
Morphology Reproductive morphology Fruits
Samaras pale brownish, not shiny.
[FZ]

Casuarinaceae, C.M. Wilmot-Dear. Flora of Tropical East Africa. 1985

Note
(not T.T.C.L.:122 (1949) where specimen cited is C. obesa). Has been cultivated in K4, Nairobi, F.D. 16032!, and T3, Amani, Herb. Amani 7170!
Morphology Stem
Persistent stems with ± 13 ribs, scale-leaves with free part ± 2.5 mm. long, 0.5 mm. wide, reflexed but ± adpressed when young
Morphology Branches
Deciduous branchlets 0.7–0.9 mm. diameter, with 14–15 inconspicuous ribs; free part of scale-leaves 0.5–0.7 mm. long, ± 0.15 mm. wide, banded as in C. cunninghamiana.
Morphology Reproductive morphology Inflorescences
♂ inflorescence ± 2 mm. in diameter, whorls (10–)many, flowers ± 14 per whorl, bracts coloured as leaves, free part very long, 1.6–2 mm..
Morphology Reproductive morphology Fruits Infructescences
Infructescence 10–15 mm. long and wide, cylindrical or depressed-ovoid; cells ± 14 per whorl separated by small gap of 0.5–0.7 mm.; valves with apical 1 mm. free, backs with several thin longitudinal ridges; samaras pale.
[FTEA]

Common Names

english
swamp she-oak

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • 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

  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. 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 Living Collection Database

    • Common Names from Kew's Living Collection Database

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. 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