|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: Mentha||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Mentha ×piperita L.
Stem: 3--5 dm, generally glabrous. Leaf: 2.5--5(7) cm; petiole 3--10 mm; blade ovate to lanceolate, generally serrate, base tapered to +- lobed, tip acute, abaxially generally glabrous. Inflorescence: head- to spike-like, clustered at upper 3--5 nodes, subtending bracts ovate to lance-linear. Flower: calyx 2.5--4 mm, generally glabrous or lobes ciliate; corolla 3.5--6 mm, white to pink or violet; stamens generally included. Chromosomes: 2n=72, 84, 108.
Ecology: Moist places, fields; Elevation: < 1700 m. Bioregional Distribution: NCo, NCoRO, NCoRI, CaRH, SNF, n SNH, GV, CW, SCo, TR, PR, MP, DMoj, cultivated elsewhere; Distribution Outside California: to Canada, eastern United States; native to Europe, naturalized from cultivation. Flowering Time: Jul--Oct Note: Hybrid of Mentha aquatica × Mentha spicata. Widely cultivated.
eFlora Treatment Author: Arthur O. Tucker
Jepson Online Interchange
Previous taxon: Mentha longifolia
Next taxon: Mentha pulegium
Citation for this treatment: Arthur O. Tucker 2016. Mentha ×piperita, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=33203, accessed on December 07, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 07, 2016.