Marrubium L.
First published in Sp. Pl.: 583 (1753)
This genus is accepted
The native range of this genus is Macaronesia to Temp. Eurasia.
Descriptions
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 herbs, with at least some branched hairs and often also with simple hairs
- Morphology Leaves
- Leaves usually toothed, petiolate
- Morphology Reproductive morphology Inflorescences
- Inflorescence thyrsoid or rarely racemoid
- Morphology Reproductive morphology Flowers Calyx
- Calyx 5-15 (-30)-lobed, lobes equal or variously unequal, usually ± spiny, sometimes uncinate
- Morphology Reproductive morphology Flowers Corolla
- Corolla 2-lipped, 5-lobed (2/3), posterior lip 2-lobed, long or moderately long, flat or almost so, tube shorter than calyx
- Morphology Reproductive morphology Flowers Androecium Stamens
- Stamens included in corolla-tube, thecae confluent or subconfluent
- Morphology Reproductive morphology Flowers Gynoecium Style
- Style included in corolla-tube, stigma-lobes unequal or subequal
- Morphology Reproductive morphology Fruits
- Nutlets rounded or subtruncate at apex, glabrous or with sessile glands at apex.
- Note
- 2n = 20, 26, 28, 34, 54. About 40 species.
- Ecology
- Mainly in rather dry places
- Distribution
- Europe and Northern Africa to Pakistan, with M. vulgare L. more widespread and introduced elsewhere.
Sources
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Kew Backbone Distributions
- The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
- © Copyright 2022 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
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Kew Names and Taxonomic Backbone
- The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
- © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
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Lamiaceae Key Genus Fact Sheets
- Nina Davies, Gemma Bramley and Don Kirkup, Royal Botanic Gardens, Kew
- http://creativecommons.org/licenses/by/3.0