Asteraceae

Blainvillea Cass.

First published in G.-F.Cuvier, Dict. Sci. Nat., ed. 2. 29: 493 (1823)
This genus is accepted
The native range of this genus is Tropics & Subtropics.

Descriptions

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

Morphology General Habit
Annual or perennial herbs; branching often trichotomous
Morphology Leaves
Leaves opposite or subopposite, scabrid
Morphology Reproductive morphology Inflorescences Capitulum
Capitula in lax cymes or solitary at branch forks, heterogamous, radiate or disciform; involucre bracts subequal; receptacle paleate, the paleae clasping the florets
Morphology Reproductive morphology Flowers Florets
Ray florets white, in 1–2 rows with short ray, fertile; disc florets distally campanulate
Morphology Reproductive morphology Fruits
Achenes 3-gonous, often compressed; pappus of 2–5 barbellate bristles and often of unequal, shortly connate scales.
[FTEA]

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 or opposite
Morphology Reproductive morphology Inflorescences
Capitula in leafy dichotomous cymes or panicles, heterogamous, radiate or almost disciform; receptacle paleate
Morphology Reproductive morphology Inflorescences Bracts Phyllaries
Phyllaries 2–5-seriate
Ray
Ray florets in 1–2 rows, female
Morphology Reproductive morphology Flowers Disc
Disk florets 5-lobed
Morphology Reproductive morphology Flowers Gynoecium Style
Style branches flattened, acute
Morphology Reproductive morphology Fruits
Achenes of ray florets dorsiventrally flattened, those of disk florets laterally flattened; pappus of 2–5 bristles and of unequal connate scales.
Distribution
Pantropical genus with 5-10 species.
[FSOM]

Sources

  • 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 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