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This genus is accepted, and its native range is Temp. & Subtropical.
Cressa cretica

[FZ]

Convolvulaceae, Maria Leonor Gonçalves. Flora Zambesiaca 8:1. 1987

Morphology General Habit
A much-branched, small, short-lived, perennial, subshrub-like herb.
Morphology Leaves
Leaves small, entire, sessile.
Morphology Reproductive morphology Flowers
Flowers small, subsessile, aggregaged in bracteate clusters at the ends of the branchlets.
Morphology Reproductive morphology Flowers Calyx
Sepals 5, obovate, subequal, imbricate, coriaceous.
Morphology Reproductive morphology Flowers Corolla
Corolla 5-lobed; tube campanulate; lobes ovate, imbricate in bud, spreading.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens exserted; filaments filiform, glabrous, anthers oblong.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 2-locular, 4-ovuled.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Styles 2, exserted, distinct from the base; stigmas large, capitate.
Morphology Reproductive morphology Fruits
Capsule 2–4-valved, usually single-seeded.
Morphology Reproductive morphology Seeds
Seed glabrous and shining, dark brown.

[FTEA]

Convolvulaceae, B. Verdcourt (East African Herbarium). Flora of Tropical East Africa. 1963

Morphology General Habit
A much-branched, short-lived, perennial, subshrubby herb
Morphology Leaves
Leaves small, sessile, entire
Morphology Reproductive morphology Flowers
Flowers small, subsessile in bracteate clusters at the tips of the branchlets
Morphology Reproductive morphology Flowers Calyx
Sepals obovate, subequal, imbricate
Morphology Reproductive morphology Flowers Corolla
Corolla-tube campanulate; lobes ovate, imbricate, spreading
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens and styles exserted; filaments filiform
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 2-locular, 4-ovuled
Morphology Reproductive morphology Flowers Gynoecium Pistil
Styles 2, distinct to the base; stigmas large, capitate
Morphology Reproductive morphology Fruits
Capsule 2–4-valved, usually one-seeded
Morphology Reproductive morphology Seeds
Seed glabrous and shining, dark brown.

[FSOM]

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

Morphology General Habit
Herbs, woody at the base, or subshrubs
Morphology Leaves
Leaves sessile, simple, entire
Morphology Reproductive morphology Flowers
Flowers in bracteate clusters at tips of branchlets
Morphology Reproductive morphology Flowers Calyx
Sepals subequal, imbricate
Morphology Reproductive morphology Flowers Corolla
Corolla salver-shaped; lobes imbricate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens exserted
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 2-celled, with 4 ovules; styles 2, exserted; stigmas capitate
Morphology Reproductive morphology Fruits
Capsule 2–4-valved, usually 1-seeded
Morphology Reproductive morphology Seeds
Seed glabrous.
Distribution
Four species in tropical and subtropical parts of both the Old and the New World.

Native to:

Afghanistan, Albania, Algeria, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Baleares, Bangladesh, Bolivia, Bulgaria, California, Canary Is., Cape Verde, Chad, Chile Central, Chile North, Corse, Cyprus, Djibouti, East Aegean Is., Ecuador, Egypt, Eritrea, Ethiopia, France, Galápagos, Greece, Guinea, Guinea-Bissau, Gulf States, India, Iran, Iraq, Italy, Kenya, Kriti, Kuwait, Lebanon-Syria, Lesser Sunda Is., Libya, Madagascar, Mali, Mauritania, Mexican Pacific Is., Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Morocco, Mozambique, Nevada, New Mexico, New South Wales, Niger, North Caucasus, Northern Territory, Oklahoma, Oman, Oregon, Pakistan, Palestine, Paraguay, Peru, Portugal, Queensland, Sardegna, Saudi Arabia, Senegal, Sicilia, Sinai, Socotra, Somalia, South Australia, Spain, Sri Lanka, Sudan, Tadzhikistan, Tanzania, Texas, Transcaucasus, Tunisia, Turkey, Turkmenistan, Uruguay, Utah, Uzbekistan, Victoria, Western Australia, Yemen

Introduced into:

Hawaii

Cressa L. appears in other Kew resources:

First published in Sp. Pl.: 223 (1753)

Accepted by

  • Al-Rawi, A. in Al-Rawi, A. (1985). Fl. Kuwait Convolvulaceae Flora of Kuwait 1: 182-186. Alden Press Ltd., U.K.
  • Andrews, F.W. in Andrews, F.W. (1956). Convolvulaceae The Flowering Plants of the Sudan 3: 102-125. T.Buncle & co., LTD., Arbroath, Scotland.
  • Austin, D. F. (1982). Flora of Ecuador 15: 3-99. Botanical Institute, University of Göteborg, Riksmuseum, Stockholm.
  • Austin, D. F. (2000). A revision of Cressa L. (Convolvulaceae) Botanical Journal of the Linnean Society 133: 27-39.
  • Austin, D.F. & S. Ghazanfar in E. Nasir & Ali, S.I. (eds.) (1979). Convolvulaceae Flora of West Pakistan 126: 1-64.
  • Austin, D.F. in Dassanayake (ed.) (1980). Rev. Handb. Fl. Ceylon Convolvulaceae A Revised Handbook to the Flora of Ceylon 1: 288-363. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
  • Baker, J.G. & A.B. Rendle in Thiselton-Dyer, W.T. et al. (eds.) (1905). Convolvulaceae Flora of Tropical Africa 4(2): 62-206. Secretary of State for the Colonies.
  • Clarke, C.B. in Hooker, J.D. (1883). Fl. Br. India Convolvulaceae Flora of British India 4: 179-228 + 734.
  • Cronquist, A. et al. in Cronquist, A., et al. (1984). Convolvulaceae Intermountain Flora, vascular plants of the intermountain west, U.S.A. 4: 74-84. New York Botanical garden.
  • Dempster, L. T. in Hickman, J. C. (ed.) (1993). Convolvulaceae The Jepson Manual, higher plants of Cilfornia: 516-522. Univ. California Press.
  • Deroin, T. (2001). Convolvulaceae Flore de Madagascar et des Comores (Plantes Vasculaires) 171: 11-287. Typographie Firmin-Didot et Cie., Paris.
  • Dobignard, A. & C. Chatelain in Dobignard, A. & Chatelain, C. (2011). Convolvulaceae Index synonymique de la flore d'Afrique du nord 3: 331-351. Conservatoire et Jardin Botanique de la ville de Genève.
  • Gonçalves, M.L. (1987). Convolvulaceae Flora Zambesiaca 8(1): 9-129. Royal Botanic Gardens, Kew.
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Grigor'ev, Y.S. (1974). Convolvulaceae Flora of the USSR 19: 3-30. Science Publishers, Inc.
  • Hedberg, I., Kelbessa, E., Edwards, S., Demissew, S. & Persson, E. (eds.) (2006). Flora of Ethiopia and Eritrea 5: 1-690. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Heine, H. in Hutchinson, J. & Dalziel, J.M. (1963). Convolvulaceae Flora of West Tropical Africa, second edition 2: 335-352 + 496. Crown Agents for Oversea Governments and Administrations.
  • Johnson, R.W. (2012). Convolvulaceae Australian Plant Census Council of Heads of Australian Herbaria.
  • Meisner, C.F. in Martius, C.F.P.von & auct. suc. (eds.) (1869). Convolvulaceae Flora Brasiliensis 7: 199-370.
  • Miller, A.G. & M. Morris in Miller, A.G. & M. Morris (2004). Ethnofl. Soqotra Archipel. Convolvulaceae + Cuscutaceae Ethnoflora of the Soqotra Archipelago: 516-524. Royal Botanic Garden Edinburgh.
  • O'Donell, C.A. (1959). Convolvuloideas de Uruguay Lilloa 29: 349-376. Universidad Nacional de Tucuman, Instituto 'Miguel Lillo'.
  • Ooststroom, S.J. van (1972). Malesian CNV Addenda, corrigenda & emendanda III Flora Malesiana 6: 936-941. Noordhoff-Kolff N.V., Djakarta.
  • Parris, B.S. & R. Brummitt in Davis, P.H. (ed.) (1978). Convolvulaceae Flora of Turkey and the East Aegean Islands 6: 197-222. Edinburgh University Press, Edinburgh.
  • Thulin, M. et al. in Thulin, M. (ed.) (2006). Convolvulaceae Flora of Somalia 3: 221-258. The Royal Botanic Gardens, Kew.
  • Valentine, D.H. et al. in Tutin, T.G. & al. (eds.) (1972). Convolvulaceae Flora Europaea 3: 74-83. Cambridge University Press.
  • Verdcourt, B. (1963). Convolvulaceae Flora of Tropical East Africa: 1-161.

Literature

Flora of West Tropical Africa

  • —F.T.A. 4, 2: 72.

Flora Zambesiaca

  • Gen. Pl., ed. 5: 104 (1754).
  • Sp. Pl.: 223 (1753)

Flora of Somalia

  • Austin in Bot. J. Linn. Soc. 133: 27–39 (2000).
  • Flora Somalia, Vol 3, (2006) Author: by M. Thulin [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • L., Gen. Pl., ed. 5 : 104 (1754)
  • Sp. Pl. : 223 (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