Asteraceae

Pentanema Cass.

First published in Bull. Sci. Soc. Philom. Paris 1818: 74 (1818)

This genus is accepted

The native range of this genus is Temp. Eurasia, NW. Africa, Ethiopia.

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

Morphology General Habit: Dwarf shrubs, annual or perennial herbs, generally rhizomatous, glabrous- glabrescent to tomentose
Morphology Leaves: Leaves petiolate to amplexicaul or decurrent
Morphology Reproductive morphology Inflorescences: Inflorescence of rather remote capitula on slender pedicels
Morphology Reproductive morphology Inflorescences Capitulum: Capitula generally many in terminal corymbs, generally heterogamous radiate to minutely radiate or heterogamous disciform or homogamous discoid
Morphology Reproductive morphology Inflorescences Bracts Phyllaries: Phyllaries imbricate, many-seriate
Morphology Reproductive morphology Flowers Receptacle: Receptacle naked
Ray: Ray florets female, radiate, corollas yellow
Disc: Disc florets hermaphrodite, corolla 5-toothed, bright yellow; anthers ecalcarate, tails branched
Morphology Reproductive morphology Fruits: Achenes ellipsoid or cylindrical, ribbed, glabrous or setuliferous; pappus setae uniseriate, barbellate, free or rarely connate at base.
Distribution: About 40 species distributed in SW, S, C Asia, Africa and Europe.
Etymology: Pentanema (from the Gr. πέντε, pente, five and νήμα, nima, a thread – from the 5 pappus- hairs of the type species, P. divaricatum.

[FIQ]

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

Morphology General Habit: Small shrubs or annual herbs
Morphology Leaves: Leaves alternate
Morphology Reproductive morphology Inflorescences: Capitula generally heterogamous and radiate, but sometimes disciform or homogamous and discoid (as in Somalia), in terminal cymose panicles; hibernating young capitula often present; receptacle epaleate, smooth
Morphology Reproductive morphology Flowers Florets: Ray florets yellow (absent in Somalia); disk florets yellow, 5-lobed, style-arms ± flattened, obtuse or truncate at the apex
Morphology Reproductive morphology Fruits: Achenes ellipsoid; pappus of barbellate bristles in one series.
Distribution: About 34 species from Central Asia, India and Sri Lanka, but naturalized elsewhere; the Somali species is the only native one in Africa.

[FSOM]

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

Morphology General Habit: Small shrubs or annual herbs
Morphology Leaves: Leaves alternate
Morphology Reproductive morphology Inflorescences Capitulum: Capitula generally heterogamous and radiate, but sometimes disciform or homogamous and discoid (as in ours), in terminal cymose panicles; receptacle epaleate, smooth
Morphology Reproductive morphology Flowers Florets: Ray florets yellow (in ours absent); disc florets yellow, 5-lobed, style arms ± flattened, obtuse or truncate at the apex
Morphology Reproductive morphology Fruits: Achenes ellipsoid; pappus of barbellate bristles in one row.

[FTEA]

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
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
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

Descriptions