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LAMIACEAE (Labiatae) MINT FAMILY

Dieter H. Wilken & Margriet Wetherwax, family description, key to genera

Annual to shrub [tree, vine], glabrous to hairy, generally aromatic. Stem: generally erect, generally 4-angled. Leaf: generally simple to deeply lobed, generally opposite, generally gland-dotted. Inflorescence: generally cymes, generally many in dense axillary clusters surrounding stem, generally separated by evident internodes or collectively crowded, spike- or panicle-like, occasionally head-like or raceme, subtended by leaves or bracts; flowers sessile or pedicelled. Flower: generally bisexual; calyx generally 5-lobed, radial to bilateral; corolla generally bilateral, 1–2-lipped, upper lip entire or 2-lobed, ± flat to hood-like, occasionally 0, lower lip generally 3-lobed; stamens generally 4, epipetalous, generally exserted, paired, pairs generally unequal, occasionally 2, staminodes 2 or 0; ovary superior, generally 4-lobed to base chambers 2, ovules 2 per chamber, style 1, generally arising from center at junction of lobes, stigmas generally 2. Fruit: generally 4 nutlets, generally ovoid to oblong, smooth.
± 230 genera, 7200 species: worldwide. Many cultivated for herbs, oils (Lavandula, lavender; Mentha, mint; Rosmarinus, rosemary; Thymus, thyme), some cultivated as ornamental (in California Cedronella, Leonotis, Monarda, Phlomis). [Harley et al. 2004 Fam Generally Vasc Plant 7:167–275] Moluccella laevis L., shell flower, historical waif in California. Satureja calamintha (L.) Scheele subsp. ascendens (Jordan) Briq. reported as alien but not naturalized. Salazaria moved to Scutellaria; California Hyptis moved to Condea, California Satureja moved to Clinopodium. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Lamiaceae

MONARDELLA

Andrew C. Sanders, Mark A. Elvin & Mark S. Brunell

Annual to shrub, ± gland-dotted, scented. Leaf: entire to serrate, margin flat or wavy; petioles 0 or present, often grading into blade. Inflorescence: flowers in compact clusters of >= 1 per main stem, these occasionally arrayed in panicles (rarely spikes); flowers 3–100 per cluster; bracts generally erect in a cup-like involucre or reflexed, reduced in size inward, leaf-like to membranous in texture, green or straw-colored to rose or purple, linear to ovate, acuminate to acute or obtuse. Flower: calyx 5-lobed; 4–25 mm; corolla white to purple or yellow to red, weakly bilateral, upper lip erect, 2-lobed, lower lip recurved, 3-lobed; stamens 4; style unequally 2-lobed.
> 30 species: western North America. (Latin: small Monarda) [Elvin & Sanders 2009 Novon 19:315–343; Epling 1925 Ann Missouri Bot Gard 12:1–106; Jepson 1943 Fl California 431–444] Complex; study needed; many taxa intergrade; flower cluster width and bract orientation given for pressed specimens. Leaf length including petiole, if present. M. Brunell authored Monardella follettii (in part), Monardella odoratissima (in part), Monardella palmeri, Monardella purpurea, Monardella sheltonii (in part), Monardella stebbinsii, Monardella villosa (in part).
Unabridged references: [Abrams 1951 Ill Fl Pac Sts V III:648–660]

Key to Monardella

M. undulata Benth.
NATIVE
Subshrub to shrub, erect, tufted, or mounded, < 2.5 m diam, strongly scented. Stem: few to many, 10–100 cm, branching distal to middle, sparsely hairy to densely white-tomentose. Leaf: clustered at nodes, 10–40 mm, linear to (ob)ovate, fleshy or not, green to appearing glaucous, sparsely hairy to densely tomentose, margin wavy. Inflorescence: flower clusters 1–several in terminal spikes, 10–30 mm wide, leaves subtending flower clusters present or 0; bracts 7–15 mm, 3–10 mm wide, papery, lanceolate to ovate, soft-hairy, straw-colored or purple. Flower: calyx hairy to woolly; corolla straw-colored or lavender to rose-purple. [Online Interchange]

M. undulata subsp. arguelloensis Elvin & A.C. Sanders
NATIVE
Shrub, erect. Stem: 30–100 cm, main stem stout, woody, to 3.5 cm diam, many-branched, sparsely to moderately long-hairy; lateral, terminal branches generally 1–1.5 mm diam. Leaf: 10–40 mm, 3–7 mm wide, ± fleshy, narrowly (ob)lanceolate, obtuse, green, sparsely to moderately hairy, margins strongly wavy. Inflorescence: flower cluster 1–5 per main stem in open compound cyme, 18–30 mm wide; bracts 9–13 mm, 5–9 mm wide, lanceolate to ovate, acute to obtuse-acuminate, straw-colored or purple-tinged. Flower: calyx sparsely to moderately hairy, hairs denser at tip; corolla 10–12 mm, rose to purple.
Stabilized coastal dunes, sandy soils; 50–150 m. s Central Coast (Point Arguello, Santa Barbara Co.). Threatened by military activities. May–Sep [Online Interchange] {CNPS listed}

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Aug 1 2014
Citation for this treatment: [Author of taxon treatment] 2013. Monardella, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=91106, accessed on Aug 1 2014

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Bioregions in which Monardella undulata subsp. arguelloensis occurs Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.