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Lamiastrum galeobdolon

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
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: LamiastrumView Description 


Species In Genus: 1 sp. Etymology: (Latin: like Lamium) Note: Occasionally included in Lamium.
eFlora Treatment Author: Thomas J. Rosatti

Lamiastrum galeobdolon (L.) Ehrend. & Polatschek
Habit: Perennial herb, +- sparsely hairy. Stem: prostrate to erect, 15--60 cm; generally stoloned at least after flower begins. Leaf: petiole 1--3 cm; blade 2--9 cm, ovate to +- round, crenate or generally coarsely toothed, generally variegated, base truncate to +- cordate, tip acute to acuminate. Inflorescence: terminal and axillary, head-like, +- sessile, 2--10-flowered. Flower: calyx 7--10 mm, lobes +- equal, generally acuminate; corolla 14--25 mm, bright yellow with +- brown spots, 2-lipped, upper lip hood-like, lower +- equally 3-lobed, middle lobe +- > laterals, triangular, entire, acute, tube > calyx, with ring of hairs within; stamens fertile, generally enclosed by upper lip, anthers generally hairy; style +- equally 2-lobed. Fruit: nutlets triangular in ×-section, tip truncate. Chromosomes: 2n=18,36.
Ecology: Woodland, shady fields; Elevation: < 100 m. Bioregional Distribution: NCo; Distribution Outside California: widespread North America; native western Europe to western Asia. Flowering Time: Apr--Jun Note: Noxious weed in Washington.
Synonyms: Galeobdolon luteum Huds.; Galeopsis galeobdolon L; Lamium galeobdolon (L.) Crantz; Lamium galeobdolon (L.) L.
Unabridged Note: 3--4 subspecies recognized in Fl. Europaea.
eFlora Treatment Author: Thomas J. Rosatti
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Citation for this treatment: Thomas J. Rosatti 2016. Lamiastrum galeobdolon, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 02, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 02, 2016.

Geographic subdivisions for Lamiastrum galeobdolon:
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.
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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Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.