|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Lamiaceae (Labiatae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Perennial herb from rhizomes, glabrous to hairy. Stem: generally ascending to erect, generally branched. Leaf: petioled to sessile; blade elliptic to ovate or lanceolate, toothed to lobed. Inflorescence: head-like in leaf axils or collectively spike- or panicle-like and subtended by bracts. Flower: calyx +- radial, generally 10-veined, lobes 4--5, equal or not; corolla +- 2-lipped, lips generally equal, upper lip notched, lower lip 3-lobed; stamens 4, +- equal, generally exserted, filaments glabrous, anthers segments parallel, distinct. Fruit: nutlets +- ellipsoid, tip rounded.
Species In Genus: 18 species: temperate. North America, Eurasia. Etymology: (Latin: ancient name for mint) Note: Cult for oils, flavoring, herbs. Hybrids in California generally sterile, spreading from rhizomes.
Unabridged Note: Many cultivated and naturalized populations derived from hybridization, generally polyploid, some sterile, reproducing vegetatively.
eFlora Treatment Author: Arthur O. Tucker
Jepson Online Interchange
Key to MenthaPrevious taxon: Melissa officinalis
Next taxon: Mentha aquatica
Citation for this treatment: Arthur O. Tucker 2016. Mentha, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9461, accessed on February 09, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 09, 2016.