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Key to LamiaceaeView taxon page for Lamiaceae
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots. 1. Fertile stamens 2; staminodes 0 or 2 2. Corolla generally 4-lobed, 2–5 mm, white, not 2-lipped; fruit ± compressed  Flattened side-to-side or front-to-back. , edge corky ..... LYCOPUS 2' Corolla 2-lipped, 2.5–35 mm, white or variously colored; fruit not compressed, edge not corky 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' Annual, perennial  Completing life cycle (germination through death) in more than two years or growing seasons, generally non-woody (at least above ground) to woody; includes perennial herbs as well as subshrubs to trees; the abbreviation 'per' only refers to perennial herb, not to the word 'perennial' alone. herb, or subshrub, generally < 5 dm 5. Calyx ± radial  Divisible into mirror-image halves in three or more ways. , lobes  1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth. ± equal – e DMoj (New York Mtns) ..... MONARDA 5' Calyx ± 2-lipped, lobes of upper versus lower lips unequal 6. Inflorescence bract  Reduced, leaf- or scale-like structure subtending a branch, cone scale, peduncle, pedicel, or flower. margin spiny, veins ± raised ..... ACANTHOMINTHA (2) 6' Inflorescence bract margin entire  Having margins that are continuous and smooth (i.e., without teeth, lobes, etc.). or hairy, not spiny, veins not raised 7. Perennial herb; inflorescences ± evenly spaced; calyx tube swollen below middle – DMtns ..... HEDEOMA 7' Annual; inflorescences densely clustered, ± terminal, head-like; calyx tube not swollen ..... POGOGYNE (2) 1' Fertile stamens 4; staminodes 0 8' Calyx generally 5- or 10-lobed, radial to 2-lipped with lips 2–3-lobed 9. Calyx 10-lobed, lobe 1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth. tips recurved  Gradually curved downward or backward. or hooked; stamens included  Not protruding out of surrounding structure(s) (e.g., stamens included in corolla). in corolla tube ..... MARRUBIUM 9' Calyx generally 5-lobed, lobe tips straight; stamens generally exserted  Protruding out of surrounding structure(s) (e.g., stamens exserted from corolla). , hidden under upper lip to > corolla lobes 10. Stamens reclining on lower corolla lip; corolla violet, lower lip pouched; at least younger stems densely stellate-hairy – s DMoj, DSon ..... CONDEA 10' Stamens ascending  Curving or angling upward from base, or about 30-60 degrees less than vertical or away from axis of attachment. 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' Inflorescence bract margin glabrous to hairy, not spiny 12. Nutlets, ovary lobes fused laterally below middle; style sunken but not to base of ovary lobes 13' Corolla not lipped, 5-lobed, lower lobe generally reflexed  Abruptly bent or curved downward or backward. ; leaves entire ..... TRICHOSTEMA 12' Nutlets, ovary lobes separate to base; style arising between ovary lobes at their base 14. Corolla ± radial to ± bilateral  Divisible into mirror-image halves in only one way. , lobes 4 or 5, length ± equal 15. Flower clusters generally axillary  Pertaining to or within an axil, especially a leaf axil. , evenly spaced or together cylindric  Elongate, with parallel sides and, at any point, round in transverse section. , 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 14' Corolla clearly bilateral, generally 2-lipped, lobes and lips unequal 16' Annual or perennial herb (to subshrub, the corolla then salmon-orange) 18. Inflorescences generally terminal, collectively ± dense, generally head- to spike- or panicle-like, occasionally interrupted by 1–3 internodes  Segment of an axis (generally a stem) between successive positions (nodes) from which one or more structures (especially leaves, buds, branches, or flowers) arise. proximally 19. 2 or 4 stamens clearly exceeding corolla 20' Bracts throughout inflorescence, overlapping, pale green or cream (± purple) ..... ORIGANUM (2) 19' Stamens not clearly exceeding lower corolla lobes 21. Annual; inflorescence bracts often >= flowers, linear  Elongate, with nearly parallel sides; narrower than elliptic or oblong. to narrowly oblanceolate ..... POGOGYNE (2) 21' Perennial herb; inflorescence bracts generally < flowers, often lanceolate  Narrowly elongate, widest in the basal half, often tapered to an acute tip. or wider 22. Calyx 2-lipped, upper lip 3-toothed, lower lip 2-lobed – lobes acuminate  Having a long-tapered, sharp tip, the sides concave. ..... PRUNELLA 22' Calyx ± radial, 5-lobed 23. Inflorescence bracts pale green or cream (± purple), persistent; calyx 2–3.5 mm ..... ORIGANUM (2) 23' Inflorescence bracts green, withering; calyx > 4 mm 18' Inflorescences axillary and terminal, generally separated by evident internodes subtended by bracts or leaves 25. Annual to perennial herb; nutlet ×-section 3-angled, tip truncate  Abruptly (not gradually) narrower or smaller at base or tip, as if cut straight across or nearly so. 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] 25' Perennial herb to subshrub; nutlet ×-section ovate  Egg-shaped (i.e., widest below the middle) in two dimensions (i.e., in one plane), as a leaf. to ± round, tip ± rounded 27' Inflorescence not head-like, flowers 1–12; calyx lobe tips glabrous to moderately hairy 28. Stem generally prostrate  Lying flat on the ground. to decumbent  lying mostly flat on the ground but with tips curving up. 29. Most inflorescences, except proximal-most, subtended by bracts or much-reduced leaves ..... STACHYS (3) 29' Most inflorescences subtended by leaves 30. Leaf blade  Expanded portion of a leaf, petal, or other structure, generally flat but sometimes rolled, cylindric, wavy, or cupped. ovate to broadly triangular; corolla 3–8 mm ..... Clinopodium douglasii 30' Leaf blade round to reniform  Kidney-shaped; often pertaining to a leaf in which the blade base on both sides of the petiole is rounded and concave. ; corolla 8–25 mm ..... GLECHOMA 28' Stem erect  Upright; vertically oriented. 31. Most inflorescences, except proximal-most, subtended by bracts or much-reduced leaves ..... STACHYS (3) 31' Most inflorescences subtended by leaves 32' Calyx 7–9 mm; corolla white to cream, occasionally tinged lavender, tube curved upward ..... MELISSA
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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, https://ucjeps.berkeley.edu/eflora/ [accessed on ]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .
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