Helichrysum Mill.

First published in Gard. Dict. Abr., ed. 4.: [462] (1754)
This genus is accepted
The native range of this genus is Old World.

Descriptions

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

Morphology General Habit
Perennial or annual herbs, sometimes shrublets
Morphology Leaves
Leaves alternate, often hairy, usually with flat, entire margin
Morphology Reproductive morphology Inflorescences Capitulum
Capitula disciform, in terminal corymbs or solitary; receptacle flat, usually epaleate; phyllaries in several to many series, papery, brown, yellow, pink or white, with divided stereome
Morphology Reproductive morphology Flowers Florets
Outer florets female, yellow, filiform, in 1–several rows, with 3–4 lobes; inner florets usually more numerous than the outer ones, hermaphrodite, yellow, lobes 5, erect, anthers tailed and with a flat apical appendage, style with truncate branches
Morphology Reproductive morphology Fruits
Achenes small, oblong, sparsely hairy with short, clavate mucilaginous hairs, or with long normal hairs, or glabrous; pappus of barbellate to subplumose bristles, 1-seriate, free or basally slightly connate with cilia, caducous in groups or individually.
[FTEA]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Perennial or annual herbs, sometimes shrublets
Morphology Leaves
Leaves alternate, often hairy
Morphology Reproductive morphology Inflorescences
Capitula disciform, in terminal corymbs or solitary; receptacle flat, usually epaleate; phyllaries in several to many series, papery, brown, yellow, pink or white
Morphology Reproductive morphology Flowers Florets
Outer florets female, yellow, filiform, in 1–several rows, with 3–4 lobes; inner florets usually more numerous than the outer ones, bisexual, yellow, lobes 5, erect, anthers tailed and with a flat apical appendage, style with truncate branches
Morphology Reproductive morphology Fruits
Achenes small, oblong; pappus of barbellate to subplumose bristles, 1-seriate, free or basally slightly connate with cilia, caducous in groups or individually.
Distribution
About 600 species, mainly in Africa (especially South Africa) and Madagascar, but several in Asia and Europe.
[FSOM]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/44838/10952472

Conservation
VU - vulnerable VU - vulnerable DD - data deficient EN - endangered EN - endangered
[IUCN]

Ghazanfar, S. A., Edmondson, J. R. & Hind, D. J. N. (Eds). (2019). Flora of Iraq, Volume 6: Compositae.Kew Publishing

Morphology General Habit
Suffruticose herbs and subshrubs with many ± densely leafy stems, tomentose or glandular-tomentose
Morphology General Buds
Resting buds often present at base of stem, stalked or sessile; basal leaves long-petiolate, ± cuneate; cauline leaves alternate, entire
Morphology Reproductive morphology Inflorescences
Inflorescence a rather dense terminal corymb with usually many capitula; involucre scarious, yellowish or whitish, rarely reddish; phyllaries multiseriate, imbricate; receptacle flat, foveolate or areolate, with or without teeth or bristles
Morphology Reproductive morphology Flowers Florets
Florets all tubular, usually hermaphrodite, corollas 5-lobed, yellow, glandular above, or rarely outer female and corolla 3-lobed; anthers caudate; style arms truncate
Morphology Reproductive morphology Fruits
Achenes smooth, cylindrical, glandular-papillose; pappus setae uniseriate, scabrid or barbellate, apices acute or claviculate.
Etymology
Helichrysum (from Gr. ήλιος, helios, sun, and χρησός, khrysos, gold, in reference to its shiny yellow bracts).
[FIQ]

Sources

  • Flora of Iraq

    • Flora of Somalia
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Flora of Somalia

    • Flora of Somalia
    • 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

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/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
  • Plants and People Africa

    • Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    • © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/
  • World Checklist of Vascular plants (WCVP)

    • 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