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Monardella undulata subsp. undulata

Higher Taxonomy
Family: Lamiaceae (Labiatae)View DescriptionDichotomous Key
Common Name: MINT FAMILY
Habit: 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.
Genera In Family: +- 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). Note: 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.
eFlora Treatment Author: Dieter H. Wilken & Margriet Wetherwax, family description, key to genera, except as noted
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: MonardellaView DescriptionDichotomous Key

Habit: 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.
Etymology: (Latin: small Monarda) Note: 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).
eFlora Treatment Author: Andrew C. Sanders, Mark A. Elvin & Mark S. Brunell
Reference: Elvin & Sanders 2009 Novon 19:315--343; Epling 1925 Ann Missouri Bot Gard 12:1--106; Jepson 1943 Fl California 431--444
Unabridged Reference: Abrams 1951 Ill Fl Pac Sts V III:648--660
Species: Monardella undulataView Description 

Habit: 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.

Monardella undulata Benth. subsp. undulata
Habit: Subshrub, erect, open. Stem: 30--70 cm, several, +- sparsely hairy, purple; lateral stems generally < 1 mm diam. Leaf: 10--30 mm (including petiole, 0--7 mm), 2--4 mm wide, linear to narrowly (ob)lanceolate, thin, sparsely hairy, green, margin wavy. Inflorescence: flower cluster generally 1 per main stem, 10--20 mm wide; bracts 7--10 mm, 3--5 mm wide, lanceolate to narrowly ovate, acuminate, straw-colored or purple. Flower: calyx 4--6(7) mm, hairy, especially lobe tips; corolla rose-purple or purple.
Ecology: Stabilized dunes, coastal scrub, stabilized sandy soils; Elevation: < 200 m. Bioregional Distribution: s CCo (San Luis Obispo Co.). Flowering Time: Apr--Sep Note: Intergrades with Monardella undulata subsp. crispa in areas of overlap. Threatened by coastal development.
Synonyms: Monardella frutescens (Hoover) Jokerst; Monardella undulata var. frutescens Hoover
Jepson eFlora Author: Andrew C. Sanders, Mark A. Elvin & Mark S. Brunell
Reference: Elvin & Sanders 2009 Novon 19:315--343; Epling 1925 Ann Missouri Bot Gard 12:1--106; Jepson 1943 Fl California 431--444
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Listed on CNPS Rare Plant Inventory

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Botanical illustration including Monardella undulata subsp. undulata

botanical illustration including Monardella undulata subsp. undulata

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Citation for this treatment: Andrew C. Sanders, Mark A. Elvin & Mark S. Brunell 2012, Monardella undulata subsp. undulata, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 29, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora,, accessed on May 29, 2024.

Monardella undulata subsp. undulata
click for enlargement
©2011 Chris Winchell
Monardella undulata subsp. undulata
click for enlargement
©2011 Chris Winchell
Monardella undulata subsp. undulata
click for enlargement
©2011 Chris Winchell
Monardella undulata subsp. undulata
click for enlargement
©2011 Chris Winchell
Monardella undulata subsp. undulata
click for enlargement
©2011 Chris Winchell

More photos of Monardella undulata subsp. undulata
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Geographic subdivisions for Monardella undulata subsp. undulata:
s CCo (San Luis Obispo Co.).
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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).


Data provided by the participants of the  Consortium of California Herbaria.
View all CCH records
All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).