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This genus is accepted, and is native to Europe, Pakistan, Africa, Pacific, South America, North America, Australasia and Asia-Temperate.

[FZ]

Primulaceae, F. K. Kupicha. Flora Zambesiaca 7:1. 1983

Morphology General Habit
Annual and perennial herbs; stems erect or rarely procumbent, sometimes with a basal leaf–rosette.
Morphology Leaves
Leaves alternate, linear, oblong or spathulate, entire.
Morphology Reproductive morphology Flowers
Flowers in racemes or corymbs; bracts inserted at the base or near the middle of pedicels.
Morphology Reproductive morphology Flowers Calyx
Calyx partly adnate to ovary, the limb 5–lobed, persistent.
Morphology Reproductive morphology Flowers Corolla
Corolla subcampanulate, the limb 5–lobed.
Morphology Reproductive morphology Flowers Androecium
Stamens borne on the corolla–tube, oppositipetalous, alternating with small staminodes.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary globose; style short, stigma obtuse or capitellate; ovules numerous; placentation free–central.
Morphology Reproductive morphology Fruits
Capsule ovoid or globose, dehiscing by 5 valves.
Morphology Reproductive morphology Seeds
Seeds numerous, angular.

[FTEA]

Primulaceae, P. Taylor. Flora of Tropical East Africa. 1958

Morphology General Habit
Annual or perennial herbs with erect or rarely prostrate stems
Morphology Leaves
Leaves alternate, cauline or forming a basal rosette, linear to spathulate, entire
Morphology Reproductive morphology Flowers
Flowers in terminal racemes or corymbs; bracts at the base or near the middle of the pedicels
Morphology Reproductive morphology Flowers Calyx
Calyx-tube adnate to the ovary in its lower half; limb 5-lobed, persistent
Morphology Reproductive morphology Flowers Corolla
Corolla perigynous, subcampanulate; limb 5-lobed
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted on the corolla-tube; subulate staminodes often present alternating with the stamens
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary subglobose; style short
Morphology Reproductive morphology Fruits
Capsule globose, many-seeded, dehiscing by 5 valves
Morphology Reproductive morphology Seeds
Seeds numerous, angular
Distribution
A small widespread genus found mainly in the southern hemisphere with the following cosmopolitan species occurring in practically every region of the world.

[FSOM]

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

Morphology General Habit
Perennial or annual herbs; stem usually erect, often with a basal leaf-rosette
Morphology Leaves
Leaves alternate, oblong to spathulate, entire
Morphology Reproductive morphology Inflorescences
Flowers regular, in terminal racemes or corymbs; pedicels with small bracts inserted near middle or base
Morphology Reproductive morphology Flowers Calyx
Calyx 5-lobed, persistent
Morphology Reproductive morphology Flowers Corolla
Corolla ± campanulate, 5-lobed
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted on corolla-tube, usually alternating with small staminodes
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary half-inferior; style short; stigma truncate to capitate
Morphology Reproductive morphology Fruits
Capsule ovoid to globose, opening by 5 valves, many-seeded.
Distribution
Genus of about 14 species, one nearly cosmopolitan, the others distributed in North and South America, South Africa and Australia.

Native to:

Afghanistan, Alabama, Albania, Algeria, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Austria, Bahamas, Baleares, Baltic States, Belgium, Belize, Bolivia, Botswana, Brazil South, Bulgaria, California, Canary Is., Cape Provinces, Cape Verde, Chad, Chile Central, Chile North, Chile South, China South-Central, China Southeast, Connecticut, Corse, Cuba, Cyprus, Czechoslovakia, Delaware, Denmark, Desventurados Is., District of Columbia, Dominican Republic, East Aegean Is., Easter Is., Ecuador, Egypt, Eritrea, Ethiopia, Finland, Florida, France, Georgia, Germany, Great Britain, Greece, Guatemala, Haiti, Honduras, Hungary, Illinois, Indiana, Iran, Iraq, Ireland, Italy, Japan, Kansas, Kentucky, Kenya, Kermadec Is., Kirgizstan, Kriti, Krym, KwaZulu-Natal, Lebanon-Syria, Libya, Louisiana, Madeira, Maine, Maryland, Massachusetts, Mauritania, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Mississippi, Missouri, Morocco, Mozambique, Namibia, Netherlands, Nevada, New Brunswick, New Caledonia, New Hampshire, New Jersey, New Mexico, New York, New Zealand North, Nigeria, Norfolk Is., North Carolina, Northern Provinces, Northern Territory, Nova Scotia, Ohio, Oklahoma, Oman, Ontario, Oregon, Pakistan, Palestine, Paraguay, Pennsylvania, Peru, Poland, Portugal, Prince Edward I., Puerto Rico, Québec, Rhode I., Romania, Sardegna, Saudi Arabia, Sicilia, Sinai, Somalia, South Australia, South Carolina, Spain, Sudan, Swaziland, Sweden, Switzerland, Tadzhikistan, Tasmania, Tennessee, Texas, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Ukraine, Uruguay, Utah, Uzbekistan, Vermont, Virginia, Washington, West Virginia, Western Australia, Western Sahara, Wisconsin, Yemen, Yugoslavia, Zambia, Zaïre, Zimbabwe

Samolus L. appears in other Kew resources:

First published in Sp. Pl.: 171 (1753)

Literature

Flora of West Tropical Africa

  • Pax & Knuth in Engl. Pflanzenr. 4, 237, Primulac.: 336 (1905).
  • —F.T.A. 3: 490

Flora Zambesiaca

  • Sp. Pl, 1: 171 (1753).

Flora of Somalia

  • Flora Somalia, Vol 3, (2006) Author: by P. Cuccuini [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • L., Gen. Pl. ed. 5 : 78 (1754)
  • Sp. Pl. : 171 (1753)

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

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0