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This genus is accepted, and its native range is Macaronesia, Medit.
Prasium majus

[LKGF]

Harley, R.M. et al. (2004). Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Springer-Verlag, Berlin, Heidelberg, New York.

Morphology General Habit
Small shrub, usually glabrous or very sparsely pubescent with simple hairs
Morphology Leaves
Leaves toothed, petiolate
Morphology Reproductive morphology Inflorescences
Inflorescence lax, racemoid or rarely thyrsoid, cymes up to 2-flowered
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles at base of pedicels
Morphology Reproductive morphology Flowers Calyx
Calyx broadly campanulate in fruit, slightly 2-lipped, 5-lobed (3/2), lobes equal or subequal, shortly spinose
Morphology Reproductive morphology Flowers Corolla
Corolla strongly 2-lipped, 4-lobed (1/3), white to pale cream, posterior lip long, hooded
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens not exserted from corolla, thecae weakly distinct, divergent
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes equal or subequal
Morphology Reproductive morphology Fruits
Nutlets drupaceous, rounded at apex, black, glabrous.
Note
2n = 34, 36.  One species, P. majus L.
Ecology
Dry places, mainly coastal
Distribution
Canary Islands, Iberian Peninsula, Morocco and Mediterranean region.

Native to:

Albania, Algeria, Baleares, Canary Is., Corse, Cyprus, East Aegean Is., Egypt, Greece, Italy, Kriti, Lebanon-Syria, Libya, Madeira, Morocco, Palestine, Portugal, Sardegna, Sicilia, Spain, Tunisia, Turkey, Yugoslavia

Prasium L. appears in other Kew resources:

First published in Sp. Pl.: 601 (1753)

Accepted by

  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Lamiaceae Key Genus Fact Sheets

  • Harley RM, Atkins S, Budantsev AL, Cantino PD, Conn BJ, Grayer R, Harley MM, de Kok RPJ, Krestovskaja T, Morales R, Paton AJ, Ryding O, and Upson T. 2004. Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Sp
  • Levina Adans., Fam. Pl. 2: 190 (1763).
  • Prasium L., Sp. Pl. 2: 601 (1753).

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

Lamiaceae Key Genus Fact Sheets
Nina Davies, Gemma Bramley and Don Kirkup, Royal Botanic Gardens, Kew
http://creativecommons.org/licenses/by/3.0