Lasiosiphon glaucus Fresen.

First published in Flora 21: 603 (1838)
This species is accepted
The native range of this species is Tropical Africa, S. India, Sri Lanka. It is a shrub or tree and grows primarily in the seasonally dry tropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/153941823/153941825

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]

Thymelaeaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:1. 1954

Morphology General Habit
Tree
Ecology
Of montane open woodland
Morphology Reproductive morphology Flowers
Flowers pale yellow, in numerous balls.
[FWTA]

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

Type
Type from Ethiopia.
Morphology General Habit
Large much branched shrub 1–6 m high or small tree up to 9 m or higher
Morphology Branches
Branches densely leafy in the upper part; branchlets finely pubescent when young, later glabrescent; bark grey, brown or blackish, smooth to rugose
Morphology Leaves
Leaves alternate, subsessile or with petiole 1–3 mm long; lamina 32–65(84) × 10–26 mm, narrowly elliptic to narrowly or broadly obovate, acuminate to acute, rarely obtuse at the apex, gradually narrowed to the base, ± rigid, glaucous, glabrous or finely pubescent, glabrescent, midrib prominent on the lower surface
Morphology Reproductive morphology Inflorescences
Inflorescences dense terminal heads 20–50 mm in diameter, 20–50-flowered; peduncle pubescent
Morphology Reproductive morphology Inflorescences Bracts
Bracts 6–12, cream-coloured or salmon-pink, 10–15 × 4–10 mm, elliptic to ovate, slightly coriaceous, softly tomentose on both sides, persistent
Morphology Reproductive morphology Flowers
Flowers 5(rarely 4)-merous, orange or golden-yellow, fading to brown; pedicels 1–2.5 mm long, tomentose
Morphology Reproductive morphology Flowers Calyx
Calyx tube 9–14 mm long with no articulation, the lower part with dense tufts of 2–4 mm long silky hairs, upper part softly tomentose; lobes 2.5–4 × 1.5–2 mm, ovate, rounded, entire or lobed, tomentose outside
Morphology Reproductive morphology Flowers Corolla
Petals 1–2 mm long, elliptic or spathulate, entire, emarginate or lobed, membranous or fleshy
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens in upper row slightly exserted; anthers 1–2 mm long
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary pubescent especially at the apex; style 6–8 mm long; stigma globose
Morphology Reproductive morphology Seeds
Seed 3–4 × 1.5–2 mm.
Ecology
Growing in edges of mountain forests, in wooded grassland, also around stream beds; c. 1000–2350 m.
Note
Gnidia glauca var. insularis (Gardner) C.C. Townsend, endemic in Sri Lanka, differs from var. glauca in having twigs and leaves ± densely furnished with persistent long appressed hairs. G. glauca is the only species within the genus with this disjunct distribution.
Distribution
Also distributed from Nigeria to Sudan, Ethiopia, Uganda, Kenya and Tanzania, also in southern India. ZAM N, MAL N, MAL C, MAL S Zambia Mozambique Malawi
[FZ]

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 West Tropical Africa

    • Flora of West Tropical 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 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