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Key to families | Table of families and genera

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LAMIACEAE (Labiatae) MINT FAMILY

Dieter H. Wilken & Margriet Wetherwax, family description, key to genera

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.
± 230 genera, 7200 species: worldwide. Many cultivated for herbs, oils (Lavandula, lavender; Mentha, mint; Rosmarinus, rosemary; Thymus, thyme), some cult as ornamental (in CA Cedronella, Leonotis, Monarda, Phlomis). [Harley et al. 2004 Fam Generally Vasc Plant 7:167–275] Moluccella laevis L., shell flower, historical waif in CA. Satureja calamintha (L.) Scheele subsp. ascendens (Jordan) Briq. reported as alien but not naturalized. Salazaria moved to Scutellaria; CA Satureja moved to Clinopodium. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Lamiaceae

HYPTIS

Raymond M. Harley & Dieter H. Wilken

Annual to tree, glabrous to densely hairy.
Stem: erect to spreading, branched.
Leaf: generally petioled.
Inflorescence: axillary; flower clusters loose to dense, occasionally in heads, involucre of bracts 0 (present).
Flower: calyx generally 5-lobed, lobes generally equal; corolla 2-lipped, upper lip 2-lobed, flat, lower lip 3-lobed, central lobe reflexed in age, ± pouched; stamens 4, fertile, curved, reclining on lower lip, exserted; style lobes ± equal.
Fruit: nutlets angled, rough to smooth.
± 280 species: warm temperate, tropical America, some Old World tropics. (Greek: turned back, from lower lip position) Some species used for flavoring (oils), food (seeds), medicinal.

H. emoryi Torr. DESERT LAVENDER
NATIVE
Shrub 1–4 m, densely hairy, hairs branched, white.
Stem: branches erect to spreading; twigs densely hairy, glabrous in age.
Leaf: petiole 3–7 mm; blade 1–3 cm, generally ovate to ± round, crenate to dentate.
Inflorescence: ± spheric; cymes loose, flowers generally 10–15, subtended by small bracts, lower larger, leaf-like; pedicel 2–3.5 mm.
Flower: calyx 4–5 mm, tubular, densely white-hairy, lobes ± filamentous; corolla 4–6 mm, violet.
Gravelly, sandy washes, canyons, desert scrub; < 1000 m. s Mojave Desert, Sonoran Desert; Arizona, nw Mexico. Jan–May [Online Interchange]

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].

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Bioregions in which taxon occurs 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

Chart based on elevation range in Manual and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

 

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes Manual flowering time.