Umbilicus DC.

First published in Bull. Sci. Soc. Philom. Paris 3: 1 (1801)
This genus is accepted
The native range of this genus is Macaronesia, W. & S. Europe to Iran, Arabian Peninsula, Cameroon, N. Africa to Tanzania, SW. India.

Descriptions

Ghazanfar, S. A. & Edmondson, J. R (Eds). (2014) Flora of Iraq, Volume 5 Part 2: Lythraceae to Campanulaceae.

Morphology General Habit
Perennial fleshy succulent glabrous herbs with tuberous roots or rhizomatous
Morphology Leaves
Basal leaves alternate, fleshy, orbicular, peltate, long petiole
Morphology Reproductive morphology Inflorescences
Inflorescence terminal, racemose or paniculate, simple or branched, many-flowered
Morphology Reproductive morphology Flowers
Flowers sessile or pedicellate, 5-merous, urceolate to campanulate
Morphology Reproductive morphology Flowers Calyx
Sepals basally united, fleshy
Morphology Reproductive morphology Flowers Corolla
Petals united at base
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens (5– )10, in 2 whorls, epipetalous
Morphology Reproductive morphology Flowers Nectaries
Nectary scales oblong
Morphology Reproductive morphology Flowers Gynoecium Carpels
Carpels free
Morphology Reproductive morphology Seeds
Seeds minute, striate. Follicles erect, several-seeded
Distribution
About 12 species, from the mediterranean region in W Europe, west to Macaronesia, east to Iran and south to Cameroon and Tanzania.
[FIQ]

Crassulaceae, G.E. Wickens. Flora of Tropical East Africa. 1987

Morphology General Habit
Succulent perennials with tuberous or rhizomatous rootstock
Morphology Leaves
Basal leaves petiolate, usually subcircular, at least 2 cm. in diameter, glabrous; cauline leaves much smaller
Morphology Reproductive morphology Flowers
Flowers 5-merous, numerous, in a terminal bracteate raceme or panicle
Morphology Reproductive morphology Flowers Calyx
Calyx small, 5-partite
Morphology Reproductive morphology Flowers Corolla
Corolla tubular, urceolate or campanulate, distinctly synpetalous; lobes ± erect, longer or shorter than the tube
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 10, rarely 5, epipetalous; filaments short
Morphology Reproductive morphology Fruits
Follicles slender; stipes rather short or absent; seeds numerous.
[FTEA]

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

Distribution
About 11 species in the Atlantic Islands, North Africa, Europe, W Asia, and three species in tropical Africa.
Morphology General Habit
Glabrous perennial herbs with tuberous or rhizomatous rootstock
Morphology Leaves
Basal leaves petiolate, often peltate, subcircular; stem leaves smaller, alternate
Morphology Reproductive morphology Flowers
Flowers in terminal raceme or panicle, 5-merous
Morphology Reproductive morphology Flowers Calyx
Calyx small
Morphology Reproductive morphology Flowers Corolla
Corolla campanulate to urceolate, with short ± erect lobes
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens (5–)10, inserted on corolla
Morphology Reproductive morphology Flowers Nectaries
Nectary scales oblong
Morphology Reproductive morphology Fruits
Follicles many-seeded.
[FSOM]

Sources

  • Flora of Iraq

    • 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 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