Asteraceae

Rudbeckia L.

First published in Sp. Pl.: 906 (1753)

This genus is accepted

The native range of this genus is Canada to U.S.A.

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

Morphology General Habit: Annual or perennial herbs; leaves entire to trilobed or pinnatifid, subglabrous to hispid
Morphology Reproductive morphology Inflorescences Capitulum: Capitula solitary to numerous, commonly ± long-pedunculate, heterogamous, radiate; phyllaries 2–3-seriate, mostly spreading or reflexed, herbaceous; receptacle conical to columnar, paleaceous, paleae partly embracing achenes
Ray: Ray florets neuter and sterile, the ray limbs yellow, orange or partly purple, rarely absent; disc florets hermaphrodite, fertile, dark purplish to brown or yellow
Morphology Reproductive morphology Fruits: Achenes glabrous, quadrangular or slightly compressed; pappus a small corona or absent.
Distribution: About 17 species in N America.
Etymology: Rudbeckia (named in honour of Olof Rudbeck, 1630–1702, the Swedish naturalist and anatomist, who discovered the lymphatic vessels). Coneflower (Am.).

[FIQ]

Flora of Iraq
- Flora of Somalia
- http://creativecommons.org/licenses/by-nc-sa/3.0
Kew Living Collection Database
- Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
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