Skip to main content
This genus is accepted, and its native range is Macaronesia to Medit. and India.

[FSOM]

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

Morphology General Habit
Shrubs or perennial herbs, with branched and/or simple hairs
Morphology Reproductive morphology Inflorescences
Inflorescences spicate (in Somali species), lax or dense, terminal at the end of a long axis; bracts irregularly arranged along the rhachis (in Somali species), much smaller and distinct from the leaves; bracteoles absent (in Somali species)
Morphology Reproductive morphology Flowers Calyx
Calyx shortly 5-lobed, 15-veined (in Somali species)
Morphology Reproductive morphology Flowers Corolla
Corolla 5-lobed, slightly or indistinctly 2-lipped; upper lip 2-lobed, almost flat; 2 lower lobes ± longer than the upper 3 lobes
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens not protruding beyond the mouth of the tube
Morphology Reproductive morphology Flowers Gynoecium Style
Style not protruding beyond the mouth of the corolla-tube, with short and broad branches
Morphology Reproductive morphology Fruits
Nutlets oblong or narrowly elliptic, with a ± distinct areole at the scar.
Distribution
Genus with about 48 species, from the Atlantic Is, through the Mediterranean region to Arabia, North-East Africa and India. The five species in Somalia all belong to sect. Subnudae Chaytor.

[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
Shrubs, subshrubs or short lived herbs, usually strongly aromatic, glabrous or indumentum variable, sometimes stellate
Morphology Leaves
Leaves entire or dissected
Morphology Reproductive morphology Inflorescences
Inflorescence a congested terminal spiciform thyrse, occasionally with coma of coloured bracts, usually distinctly pedunculate, simple or branched, verticillaster either a 3-9-flowered cincinnus with minute bracteoles or cyme 1-flowered, usually ebracteol
Morphology Reproductive morphology Inflorescences Bracts
Bracts persistent, opposite or spirally arranged
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles minute or absent
Morphology Reproductive morphology Flowers
Flowers sessile or pedicellate
Morphology Reproductive morphology Flowers Calyx
Calyx persistent, ovoid-cylindrical, actinomorphic to 2-lipped, 5-lobed (3/2), lobes ± equal or posterior lip larger or modified into an appendage, tube 8-, 13- or 15- nerved, nerves to anterior lobes reaching and sometimes anastomosing at apex
Morphology Reproductive morphology Flowers Corolla
Corolla weakly or strongly 2-lipped, 5-lobed (2/3), blue-violet to purple or white, rarely blackish purple or yellowish, lobes spreading, variable in size, corolla-tube either just exceeding or up to 3 x longer than calyx
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, declinate, usually didynamous, included within tube, anterior pair longer
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Filaments glabrous, anthers reniform, confluent
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes, if present, often complanate or stigma capitate
Morphology Reproductive morphology Fruits
Nutlets variable in shape, colour and size, with either small basal abscission scar or lateral scar (areole) 0.25 to 0.75 x length of nutlet, usually mucilaginous.
Note
2n=18, 24, 30, 36, 42, 54.  Circa 36 species. A revised infrageneric classification of three subgenera and seven sections has been proposed (Upson 1997).
Distribution
From Macaronesia, Mediterranean basin, Northern and Northeastern Africa, Southwestern Asia, Arabian Peninsula, Central and Southern India. Introduced to Eastern Europe, Australia and New Zealand

[FTEA]

Lamiaceae (Labiatae), A.J. Paton, G. Bramley, O. Ryding, R.M. Polhill, Y.B. Harvey, M. Iwarsson, F. Willis, P.B. Phillipson, K. Balkwill, C.W. Lukhoba, D.F. Otieno, & R.M. Harley. Flora of Tropical East Africa. 2009

Morphology General Habit
Subshrubs
Morphology Leaves
Leaves entire or dissected
Morphology Reproductive morphology Inflorescences
Inflorescence a congested terminal spike-like thyrse, sometimes with a coma of brightly coloured bracts; verticils 2–many-flowered
Morphology Reproductive morphology Flowers Calyx
Calyx actinomorphic or 2-lipped, 5-lobed with lobes equal or with posterior lobe larger
Morphology Reproductive morphology Flowers Corolla
Corolla weakly or strongly 2-lipped; lobes spreading
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, declinate, included in corolla tube.

>

[LKGF]
Use
A number of species, principally L. angustifolia Mill. and L. x intermedia Emeric ex Loisel., are commercially important for their essential oils, used in the perfumery and fragrance industry, aromotherapy and as ornamentals.

[FTEA]
Use
Native to Mediterranean climates from Macaronesia to South India, widely cultivated as an ornamental, for essential oils and for medicinal use

Native to:

Algeria, Baleares, Bangladesh, Canary Is., Cape Verde, Chad, Corse, Cyprus, Djibouti, East Aegean Is., Egypt, Eritrea, Ethiopia, France, Greece, Gulf States, India, Iran, Italy, Kriti, Lebanon-Syria, Libya, Madeira, Mali, Mauritania, Morocco, Niger, Oman, Palestine, Portugal, Sardegna, Saudi Arabia, Sicilia, Sinai, Socotra, Somalia, Spain, Sudan, Tunisia, Turkey, Turkey-in-Europe, Western Sahara, Yemen

Introduced into:

Austria, Azores, Bulgaria, Krym, New Zealand North, New Zealand South, Norfolk Is., Venezuela, Vermont, West Himalaya, Yugoslavia

Lavandula L. appears in other Kew resources:

First published in Sp. Pl.: 572 (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

Flora of Somalia

  • Upson & Andrews, The genus Lavandula (2004).
  • Flora Somalia, (2000) Author: by O. Ryding [updated by M. Thulin 2008]
  • Miller in Notes Roy. Bot. Gard. Edinburgh 42: 503–528 (1985)

Flora of Tropical East Africa

  • Andrews, S. (2004).
  • Gunther, E. (1949). The essential oils. Individual essential oils of the plant families Rutaceae and Labiatae, vol. 3.

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
  • Upson, doctoral thesis, Reading U., unpublished (1997).
  • Isinia Rech.f., Oesterr. Bot. Z. 99: 47 (1952).
  • Chaytor, J. Linn. Soc., Bot. 51: 153-204 (1937)
  • Sabaudia Buscal. & Muschl., Bot. Jahrb. Syst. 49: 491 (1913).
  • Chaetostachys Benth. in N.Wallich, Pl. Asiat. Rar. 2: 19 (1830)., (1831).
  • Styphonia Medik., Staatsw. Vorles. Churpf. Phys. Oek. Ges. 1: 230 (1791).
  • Fabricia Adans., Fam. Pl. 2: 188 (1763).
  • Stoechas Mill., Gard. Dict. Abr. ed. 4 (1754).
  • Lavandula L., Sp. Pl. 2: 572 (1753)
  • Lavendula L., Syst. Nat. (1735), orth. var.

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

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