1 "Fertile stamens 2; staminodes 0 or 2" 2 1 "Fertile stamens 4; staminodes 0" 8 2 "Corolla generally 4-lobed, 2--5 mm, white, not 2-lipped; fruit +- compressed, edge corky" Lycopus 2 "Corolla 2-lipped, 2.5--35 mm, white or variously colored; fruit not compressed, edge not corky" 3 3 "Fertile anther sacs 1 or 2, on thread-like appendage hinged or joined to filament tip; sterile anther sac reduced, modified, or 0" Salvia 3 "Fertile anther sacs 2, attached to filament tip side-by-side" 4 4 "Shrub, rounded to mound-like, generally 5--10 dm" "Poliomintha {Poliomintha incana}" 4 "Annual, perennial herb, or subshrub, generally < 5 dm" 5 5 "Calyx +- radial, lobes +- equal --- e DMoj (New York Mtns)" "Monarda {Monarda pectinata}" 5 "Calyx +- 2-lipped, lobes of upper versus lower lips unequal" 6 6 "Inflorescence bract margin spiny, veins +- raised" Acanthomintha 6 "Inflorescence bract margin entire or hairy, not spiny, veins not raised" 7 7 "Perennial herb; inflorescences +- evenly spaced; calyx tube swollen below middle --- Desert Mountains" Hedeoma 7 "Annual; inflorescences densely clustered, +- terminal, head-like; calyx tube not swollen" Pogogyne 8 "Calyx 2-lipped, entire" Scutellaria 8 "Calyx generally 5- or 10-lobed, radial to 2-lipped with lips 2--3-lobed" 9 9 "Calyx 10-lobed, lobe tips recurved or hooked; stamens included in corolla tube" "Marrubium {Marrubium vulgare}" 9 "Calyx generally 5-lobed, lobe tips straight; stamens generally exserted, hidden under upper lip to > corolla lobes" 10 10 "Stamens reclining on lower corolla lip; corolla violet, lower lip pouched; at least younger stems densely stellate-hairy --- southern Mojave Desert, Sonoran Desert" "Condea {Condea emoryi}" 10 "Stamens ascending under, or +- parallel to and exceeding upper corolla lip, if present; corolla violet or not, lower lip +- flat or convex, not pouched; stems glabrous to hairy, not stellate-hairy" 11 11 "Inflorescence bract margin spiny" Acanthomintha 11 "Inflorescence bract margin glabrous to hairy, not spiny" 12 12 "Nutlets, ovary lobes fused laterally below middle; style sunken but not to base of ovary lobes" 13 12 "Nutlets, ovary lobes separate to base; style arising between ovary lobes at their base" 14 13 "Corolla lower lip 5-lobed, upper lip 0; leaves lobed or 0" Teucrium 13 "Corolla not lipped, 5-lobed, lower lobe generally reflexed; leaves entire" Trichostema 14 "Corolla +- radial to +- bilateral, lobes 4 or 5, length +- equal" 15 14 "Corolla clearly bilateral, generally 2-lipped, lobes and lips unequal" 16 15 "Flower clusters generally axillary, evenly spaced or together cylindric, generally spike-like; subtended by 2+ leaves" Mentha 15 "Flower clusters generally terminal, generally 1 per stem, head-like; subtended by involucre-like whorl of bracts" Monardella 16 "Subshrub or shrub" 17 16 "Annual or perennial herb (to subshrub, the corolla then salmon-orange)" 18 17 "Corolla < 8 mm; calyx not inflated in fruit" "Clinopodium {Clinopodium chandleri}" 17 "Corolla generally > 20 mm; calyx +- inflated in fruit" Lepechinia 18 "Inflorescences generally terminal, collectively +- dense, generally head- to spike- or panicle-like, occasionally interrupted by 1--3 internodes proximally" 19 18 "Inflorescences axillary and terminal, generally separated by evident internodes subtended by bracts or leaves" 25 19 "2 or 4 stamens clearly exceeding corolla" 20 19 "Stamens not clearly exceeding lower corolla lobes" 21 20 "Bracts at base of inflorescence, generally not overlapping, green" Agastache 20 "Bracts throughout inflorescence, overlapping, pale green or cream (+- purple)" Origanum 21 "Annual; inflorescence bracts often >= flowers, linear to narrowly oblanceolate" Pogogyne 21 "Perennial herb; inflorescence bracts generally < flowers, often lanceolate or wider" 22 22 "Calyx 2-lipped, upper lip 3-toothed, lower lip 2-lobed --- lobes acuminate" Prunella 22 "Calyx +- radial, 5-lobed" 23 23 "Inflorescence bracts pale green or cream (+- purple), persistent; calyx 2--3.5 mm" Origanum 23 "Inflorescence bracts green, withering; calyx > 4 mm" 24 24 "Calyx tube +- 15-veined; upper 2 stamens > lower 2" "Nepeta {Nepeta cataria}" 24 "Calyx tube 5--10-veined; upper 2 stamens < lower 2" Stachys 25 "Annual to perennial herb; nutlet ×-section 3-angled, tip truncate" 26 25 "Perennial herb to subshrub; nutlet ×-section ovate to +- round, tip +- rounded" 27 26 "Annual; corolla pink- to red-purple, lower lip lateral lobes << middle lobe, middle lobe 2-lobed; leaves not variegated" Lamium 26 "Perennial herb; corolla yellow, lateral lobes +- < middle lobe, middle lobe not lobed; leaves generally variegated" "Lamiastrum {Lamiastrum galeobdolon}" 27 "Inflorescence head-like, flowers > 12; calyx lobe tips densely white-short-hairy" "Pycnanthemum {Pycnanthemum californicum}" 27 "Inflorescence not head-like, flowers 1--12; calyx lobe tips glabrous to moderately hairy" 28 28 "Stem generally prostrate to decumbent" 29 28 "Stem erect" 31 29 "Most inflorescences, except proximal-most, subtended by bracts or much-reduced leaves" Stachys 29 "Most inflorescences subtended by leaves" 30 30 "Leaf blade ovate to broadly triangular; corolla 3--8 mm" "Clinopodium {Clinopodium douglasii}" 30 "Leaf blade round to reniform; corolla 8--25 mm" "Glechoma {Glechoma hederacea}" 31 "Most inflorescences, except proximal-most, subtended by bracts or much-reduced leaves" Stachys 31 "Most inflorescences subtended by leaves" 32 32 "Calyx 14--17 mm; corolla salmon-orange, tube straight" "Clinopodium {Clinopodium mimuloides}" 32 "Calyx 7--9 mm; corolla white to cream, occasionally tinged lavender, tube curved upward" "Melissa {Melissa officinalis}"