Asteraceae

Erlangea Sch.Bip.

First published in Flora 36: 34 (1853)
This genus is accepted
The native range of this genus is Congo to Eritrea and S. Africa.

Descriptions

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

Morphology General Habit
Annual or perennial herbs
Morphology Leaves
Leaves alternate, sessile; indumentum of simple multicellular hairs with an apical straight elongated cell
Morphology Reproductive morphology Inflorescences
Capitula terminal, solitary or forming lax corymbiform cymes, homogamous, discoid; phyllaries 2–5-seriate, imbricate, subequal or the inner progressively longer, the outer sometimes leaf-like
Morphology Reproductive morphology Flowers Florets
Florets many, purplish, exserted, tube cylindric, distally funnel-shaped, lobes 5, usually hirsute
Morphology Reproductive morphology Fruits
Achenes oblong-obovoid, prismatic and 3–6-angled or -ribbed, pitted and glandular between the ribs; pappus of few caducous bristles, barbellate.
Distribution
African genus of 13 species.
[FSOM]

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

Morphology General Habit
 Annual or perennial herbs
Morphology Leaves
Leaves alternate, sessile; indument of simple multicellular hairs with an apical straight elongated cell
Morphology Reproductive morphology Inflorescences Capitulum
Capitula terminal, solitary or forming lax corymbiform cymes, homogamous, discoid; phyllaries 2-5-seriate, imbricate, subequal or the inner progressively longer, the outer sometimes foliaceous
Morphology Reproductive morphology Flowers Florets
Florets many, purplish, exserted, tube cylindric, distally infundibuliform, lobes 5, usually hirsute
Morphology Reproductive morphology Fruits
Achenes oblong-obovoid, prismatic and 3-6-angled or -ribbed, pitted and glandular between the ribs, pilose on the ribs; pappus of few caducous bristles, barbellate.
[FTEA]

Compositae, G. V. Pope. Flora Zambesiaca 6:1. 1992

Morphology General Habit
Annual or perennial herbs.
Morphology General Indumentum
Vegetative indumentum of flagelliform hairs with an elongate terminal cell on a few to many-celled uniseriate stalk.
Morphology Stem
Stems erect, simple to much-branched, becoming stout and woody at the base, strongly striately ribbed, pilose.
Morphology Leaves
Leaves alternate, sessile, or sometimes petiolate, subentire to serrate or ± deeply serrate-lobed.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula homogamous and discoid, laxly corymbiformly cymose, stalked.
Morphology Reproductive morphology Inflorescences Bracts Involucre
Involucres broadly campanulate-cyathiform; phyllaries diverging somewhat, increasing in size to the inside, membranous or scarious with a narrow subhyaline margin, obscurely 3-nerved.
Morphology Reproductive morphology Flowers Corolla
Corollas purple to dark-mauve, exserted, narrowly infundibuliform, regularly 5-lobed; lobe apices acicular-setose, limb and tube somewhat glandular otherwise glabrous.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther apices appendiculate, bases subacute.
Morphology Reproductive morphology Flowers Gynoecium Style
Style branches subulate, hirsute.
Morphology Reproductive morphology Fruits
Achenes narrowly oblong-obovoid and c. 4-ribbed (prismatic and 3–6-angled), rounded at the apex, rugulose and with globose glandular trichomes sunk in pits between the ribs, short appressed setae often also present between and on the ribs, otherwise glabrous; pappus 1-seriate of caducous coarsely barbellate or subplumose setae.
[FZ]

Sources

  • Flora Zambesiaca

    • Flora Zambesiaca
    • 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

  • 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

  • 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/