|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 spicata L.
Stem: 3--10(12) dm, glabrous. Leaf: 1--6 cm, petiole 0--2 mm; blade lanceolate to lance-oblong, smooth to wrinkled, base rounded to obtuse, tip acute to acuminate, generally serrate. Inflorescence: spike-like, bracts subtending flower clusters ovate to lance-linear. Flower: calyx 1.5--2.5 mm, generally glabrous; corolla 3--4 mm, white to pink or lavender. Chromosomes: 2n=48.
Ecology: Moist places, marshes, lakeshores, fields; Elevation: < 2350 m. Bioregional Distribution: CA; Distribution Outside California: to eastern United States; native to Europe. Flowering Time: Jul--Oct Note: Male-sterile plants indistinguishable from Mentha ×villoso-nervata Opiz with 2n=36, a hybrid of Mentha spicata × Mentha longifolia; native to Europe.
eFlora Treatment Author: Arthur O. Tucker
Jepson Online Interchange
Previous taxon: Mentha ×smithiana
Next taxon: Mentha suaveolens
Citation for this treatment: Arthur O. Tucker 2017. Mentha spicata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=33209, accessed on January 22, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 22, 2017.