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This page is based on the 1993 Jepson Manual.
Please see the Jepson eFlora for up-to-date information about California vascular plants. |
| Jepson Flora Project: Jepson Interchange |
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TREATMENT FROM THE JEPSON MANUAL |
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©Copyright 1993 by the Regents of the University of California
Print edition is available from the University of California Press |
| The second edition of The Jepson Manual (2012) is available from the University of California Press | |
| See also the Jepson eFlora, which parallels the Second Edition |
Annual, perennial herb, shrub, glabrous to hairy, generally aromatic
Stems generally erect, generally 4-angled
Leaves generally simple to deeply lobed, opposite, generally gland-dotted
Inflorescence: cyme, generally clustered around stem, head-like, separated by evident internodes (terminal in Monardella ) or collectively crowded, spike-like to panicle-like (sometimes raceme or flowers 212); subtended by leaves or bracts; flowers sessile or pedicelled
Flower generally bisexual; calyx generally 5-lobed, radial to bilateral; corolla generally bilateral, 12-lipped, upper lip entire or 2-lobed, ± flat to hood-like, sometimes 0, lower lip generally 3-lobed; stamens generally 4, generally exserted, paired, pairs unequal, sometimes 2, staminodes 2 or 0; ovary superior, generally 4-lobed to base, chambers 2, ovules 2 per chamber, style 1, arising from center at junction of lobes, stigmas generally 2
Fruit: nutlets 4, generally ovoid to oblong, smooth
Genera in family: ± 200 genera, 5500 species: worldwide. Many cultivated for herbs, oils (Lavandula , lavender; Mentha , mint; Ocimum , basil; Rosmarinus , rosemary; Thymus , thyme), some cultivated as ornamental (in CA Cedronella , Leonotis , Phlomis )
Reference: [Cantino & Sanders 1986 Syst Bot 11:163185]
Perennial from rhizomes, glabrous to hairy
Stems generally ascending to erect, generally branched
Leaf petioled to sessile, elliptic, ovate, or lanceolate, toothed to lobed
Inflorescences axillary, each head-like and subtended by leaves, or collectively spike- or panicle-like and by bracts
Flower: calyx ± radial, generally 10-veined, lobes equal or unequal; corolla ± 2-lipped, lips generally equal, upper lip notched, lower lip 3-lobed; stamens 4, ± equal, generally exserted; style lobes unequal
Species in genus: 25 species: temp. North America, Eurasia
Etymology: (Latin: ancient name for mint)
Reference: [Tucker, Harley, & Fairbrothers 1980 Taxon 29:233255]
Cult for oils, flavoring, herbs. Many cultivated and naturalized populations derived from hybridization, generally complexly polyploid, some sterile, reproducing vegetatively.
| Introduced |
Stem 510 dm, soft-hairy
Leaf 14 cm, subsessile; blade ovate, oblong, or broadly elliptic, base slightly lobed, tip generally rounded, crenate to serrate, lower surface stellate-tomentose
Inflorescences densely clustered at upper nodes, subtended by linear or awl-like bracts, collectively spike-like
Flower: calyx 11.5 mm, short-hairy; corolla 23 mm, white or pinkish; stamens > corolla lobes
Ecology: Moist areas, ditchbanks
Elevation: < 1200 m.
Bioregional distribution: Northwestern California, Sierra Nevada, Central Western California, South Coast, East of Sierra Nevada, expected elsewhere
Distribution outside California: native to s Europe
Flowering time: JulOct
Synonyms: M. rotundifolia (L.) Huds. misapplied
| YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps). |
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