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|Family: Lamiaceae (Labiatae)||View Description||Dichotomous Key|
|Genus: Lamiastrum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
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
Jepson Online Interchange
Previous taxon: Lamiastrum
Next taxon: Lamium
Citation for this treatment: Thomas J. Rosatti 2017. Lamiastrum galeobdolon, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=30148, accessed on March 28, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 28, 2017.