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This genus is accepted, and its native range is Europe, Macaronesia to China.
Sideritis hyssopifolia

[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
Annual or perennial, sometimes rhizomatous herbs or shrubs, with simple and sometimes branched hairs, usually aromatic
Morphology Leaves
Leaves often narrow, usually toothed, sessile to petiolate
Morphology Reproductive morphology Inflorescences
Inflorescence thyrsoid or sometimes racemoid, often dense
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles present or absent
Morphology Reproductive morphology Flowers Calyx
Calyx zygomorphic or almost regular, 5-lobed, lobes subequal or unequal (1/4), mostly triangular, often spinose, tube often barbate in throat
Morphology Reproductive morphology Flowers Corolla
Corolla 2-lipped, 4-5-lobed (1-2/3), usually yellow or white, sometimes purple, posterior lip flat or almost so, deeply emarginate to entire, tube shorter than calyx
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens included in corolla-tube, thecae confluent
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes unequal
Morphology Reproductive morphology Fruits
Nutlets rounded at apex.
Note
2n = 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 50, 56.  About 140 species Mendoza-Heuer (1977) recognizes two subgenera: subg. Sideritis and subg. Marrubiastrum, the latter endemic to Macaronesia.
Ecology
Various habitats
Distribution
Macaronesia, Mediterranean region to Russia, Tibet and Western China.  Introduced to South-Central U.S.A.

Native to:

Afghanistan, Albania, Algeria, Austria, Baleares, Bulgaria, Canary Is., Central European Rus, Corse, Cyprus, Czechoslovakia, East Aegean Is., East European Russia, France, Germany, Greece, Hungary, Iran, Iraq, Italy, Kirgizstan, Kriti, Krym, Lebanon-Syria, Libya, Madeira, Morocco, North Caucasus, Palestine, Portugal, Romania, Sardegna, Sicilia, South European Russi, Spain, Switzerland, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Ukraine, West Himalaya, Xinjiang, Yugoslavia

Introduced into:

Bermuda, Primorye, Texas

Sideritis L. appears in other Kew resources:

First published in Sp. Pl.: 574 (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

  • Brugsdorfia Moench, Methodus: 392 (1794).
  • Burgsdorfia Moench, Methodus: 392 (1794).
  • Cunila Mill., Gard. Dict. Abr. ed. 4 (1754).
  • Empedoclia Raf., Caratt. Nuov. Gen.: 78 (1810).
  • Fracastora Adans., Fam. Pl. 2: 505 (1763).
  • 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
  • Hesiodia Moench, Methodus: 391 (1794).
  • Leria Adans., Fam. Pl. 2: 190 (1763).
  • Leucophae Webb & Berthel., Hist. Nat. Iles Canaries 3: 99 (1845).
  • Marrubiastrum Tourn. ex Moench, Methodus: 391 (1794).
  • Navicularia Heist. ex Fabr., Enum.: 48 (1759).
  • Obón de Castro & Rivera, Phanerog. Monogr. 21: 1-640 (1994).
  • Pérez de Paz & Negrin, Phanerog. Monogr. 20: 1-327, plates 1-22 + 48 figs. (1992)
  • Sideritis L., Sp. Pl. 2: 574 (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