Crassulaceae
Crassula

Crassula inanis Thunb.

First published in Prodr. Pl. Cap.: 54 (1794)
This species is accepted
The native range of this species is Uganda, S. Africa. It is an annual or subshrub and grows primarily in the subtropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/185328/8389876

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]

Crassulaceae, G.E. Wickens. Flora of Tropical East Africa. 1987

Morphology General Habit
Perennial glabrous aquatic herb; stem little branched, up to 15(–30) cm. long, soft and fleshy, ribbed and angular when dry, rooting at the lower nodes.
Morphology Leaves
Leaves sessile, lanceolate to broadly lanceolate, 0.7–1(–2) cm. long, 0.15–0.2(–0.5) cm. broad, apex obtuse or bluntly acute, base of opposite leaves shortly united to form a sheath 0.5(–1.5) mm. high.
Morphology Reproductive morphology Flowers
Flowers 4-merous, axillary, 3–10(–14) per axil; pedicels 2(–3) mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx-lobes bluntly-triangular, (0.3–)0.7 mm. long, 0.5 mm. wide.
Morphology Reproductive morphology Flowers Corolla
Petals oblong-obovate, 1.5(–2.5) mm. long, 0.7 mm. wide, obtuse, white.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamen-filaments (0.6–)1 mm. long; anther subglobose, ± 0.1 mm. high.
Morphology Reproductive morphology Flowers Nectaries
Nectary scales linear-cuneate, 0.4–0.6 mm. long, ± 0.2 mm. wide, truncate.
Morphology Reproductive morphology Flowers Gynoecium Carpels
Carpels oblong-obovate, 0.8 mm. long, 0.4 mm. wide, truncate with short lateral style.
Morphology Reproductive morphology Seeds
Seeds 1 per carpel, oblong, 0.4 mm. long, minutely papillate.
Habitat
Aquatic, among rocks; 2250 m.
Distribution
U3
[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/

  • 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 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