Asteraceae
Helichrysum

Helichrysum amblyphyllum Mattf.

First published in Beibl. Bot. Jahrb. Syst. 133: 16 (1924)
This species is accepted
The native range of this species is Uganda (Mt. Elgon).

Descriptions

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

Morphology General Habit
Shrub 0.3–1.2 m high, much branched; stems appressed white-tomentose, the lower parts with marcescent leaves.
Morphology Leaves
Leaves pale green, erect or slightly spreading, sessile, linear, 1–3 cm long, 1–2 mm wide, base slightly clasping, margins revolute, apex obtuse, white-tomentose on both surfaces but more densely so beneath.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula 10–15 mm long, homogamous, few to many together in fairly dense terminal corymbose cymes; stalks of individual capitula 2–5 mm long; phyllaries shiny white, usually with pink tinge or pink base, lanceolate, 4–10 mm long, acute, glabrous; receptacle honeycombed.
Morphology Reproductive morphology Flowers Florets
Florets yellow, many, all hermaphrodite, but the outer ones smaller than the inner; tube cylindric, 2.8–3.8 mm long, lobes 0.3–0.4 mm long, anthers 1.4–1.7 mm long, style 3.5–3.8 mm long.
Morphology Reproductive morphology Fruits
Achenes cylindric, 0.5–0.7 mm long, glabrous; pappus white, 3.5–4 mm long, with subplumose tips, caducous in small groups.
Habitat
Rocky grassland, with heath, Hypericum or Euryops; may be common; 3200–4200 m
Distribution
endemic to Elgon K3 K5 U3
[FTEA]

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]

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 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