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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. stebbinsii Hardham & Bartel STEBBINS' MONARDELLA
NATIVE
Subshrub, matted or clumped, < 1 m diam; hairs dense, felt-like. Stem: 15–40 cm. Leaf: 12–22(28) mm (including petiole, 2–4 mm), 5–12(14) mm wide, thick, narrowly ovate, entire, hairs unicellular and multicellular (latter generally 0.2 mm), abaxially also short-stalked-glandular, ash- to dark gray, purple-blotched. Inflorescence: flower cluster 1 per main stem (or several in ± terminal spikes or racemes), 8–20(25) mm wide; bracts lanceolate; outer bracts leathery, purple-tinged, soft-hairy and slender-stalked-glandular (gland-tipped hairs generally > 0.1 mm), hairs longer toward margin. Flower: calyx 8–9 mm, green, purple, or straw-colored; tube slender-stalked-glandular (hairs > 0.1 mm) and nonglandular-hairy (hairs multicellular), lobes narrowly acute, hairs on lobes and sinus area = hairs on tube; corolla 12–18 mm, pink.
Rocky serpentine slopes; 800–1100 m. n High Sierra Nevada (Serpentine Canyon, Plumas Co.). Inflorescence, bract, and calyx characters overlap with Monardella follettii, which has more conspicuous stalked glands (because multicellular hairs on bracts and calyx are lacking); more study needed. Jul–Sep [Online Interchange] {CNPS list}

Previous taxon: Monardella sinuata subsp. sinuata
Next taxon: Monardella stoneana

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Dec 25 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=33949, accessed on Dec 25 2014

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click for enlargement Monardella stebbinsii
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Rick York and CNPS

Geographic subdivisions indicated for the distribution of Monardella stebbinsii 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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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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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.