Asphodelaceae
Aloe

Aloe rupestris Baker

First published in W.H.Harvey & auct. suc. (eds.), Fl. Cap. 6: 327 (1896)
This species is accepted
The native range of this species is S. Mozambique to KwaZulu-Natal. It is a succulent tree and grows primarily in the subtropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/110784292/110784297

Conservation
LC - least concern
[IUCN]

Aloaceae, S. Kativu. Flora Zambesiaca 12:3. 2001

Morphology General Habit
Small tree, up to 8 m high.
Morphology Stem
Stem simple, with withered leaf remains clothing the upper part, naked on the lower part.
Morphology Leaves
Leaves in a compact rosette at the stem apex, spreading becoming recurved; lamina up to c. 70 cm long, 7–10 cm wide at the base, lanceolate-attenuate, deeply channelled, dull dark green, without spots; margin reddish, with pungent deltoid reddish-brown teeth 3–5 mm long and 10–15 mm apart.
Morphology Reproductive morphology Inflorescences
Inflorescences 1–2, erect to 1.25 m tall above the leaf rosette; peduncle stout, 6–9-branched, the lower branches rebranched; branches spreading upwards, subtended by brown scarious deltoid bracts 5 × 10 mm, with scattered sterile bracts below the racemes. Racemes erect, up to 25 × 7 cm, cylindric, very densely flowered; bracts 2 × 4 mm, rounded, scarious, buff-coloured, reflexed; pedicels c. 1 mm long.
Morphology Reproductive morphology Flowers Perianth
Perianth orange-yellow opening to lemon-yellow, 18–20 mm long, c. 4 mm in diameter across the ovary, widening to c. 7 mm at the middle and narrowing slightly toward the mouth, cylindrical-ellipsoid; outer segments free for c. three-quarters, with tips slightly spreading.
Morphology Reproductive morphology
Stamens and stigma exserted c. 15 mm; stamens with filaments reddish-orange, anthers orange, stigma orange.
Morphology Reproductive morphology Fruits
Capsule and seeds not seen.
[FZ]

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]

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

  • Herbarium Catalogue Specimens

    • 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 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

  • Kew Science Photographs

    • Copyright applied to individual images