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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Dieter H. Wilken, except as specifed

Annual, perennial herb, shrub, glabrous to hairy, generally aromatic
Stems generally erect, generally 4-angled
Leaves generally simple to deeply lobed, opposite, generally gland-dotted
Inflorescence: cyme, generally clustered around stem, head-like, separated by evident internodes (terminal in Monardella ) or collectively crowded, spike-like to panicle-like (sometimes raceme or flowers 2–12); 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, sometimes 0, lower lip generally 3-lobed; stamens generally 4, generally exserted, paired, pairs unequal, sometimes 2, staminodes 2 or 0; ovary superior, generally 4-lobed to base, chambers 2, ovules 2 per chamber, style 1, arising from center at junction of lobes, stigmas generally 2
Fruit: nutlets 4, generally ovoid to oblong, smooth
Genera in family: ± 200 genera, 5500 species: worldwide. Many cultivated for herbs, oils (Lavandula , lavender; Mentha , mint; Ocimum , basil; Rosmarinus , rosemary; Thymus , thyme), some cultivated as ornamental (in CA Cedronella , Leonotis , Phlomis )
Reference: [Cantino & Sanders 1986 Syst Bot 11:163–185]



Deborah Engle Averett

Perennial, erect, generally < 1 m, aromatic
Leaves petioled; blade ± lanceolate to triangular, margin crenate to coarsely serrate
Inflorescence: spike of sessile clusters, dense; bracts 1–several at base, leaf-like, lanceolate
Flower: calyx 5-lobed, 2-lipped, turning pink before fruit, lobes acuminate; corolla 5-lobed, rose to rose-purple, 2-lipped, lower longer, broader, upper 2-lobed; stamens 4, in 2 pairs (1 pair longer), exserted, anther sacs spreading; style 2-lobed, exserted
Fruit ± 2 mm, oblong, brown, smooth; with small hairs at tip
Chromosomes: 2n=18
Species in genus: 22 species: North America, Mex, Asia
Etymology: (Greek: many spikes)


A. urticifolia (Benth.) Kuntze

Leaf 3–8 cm, 1.5–7 cm wide
Flower: corolla rose to rose-purple
Ecology: Common. Generally woodlands, but many habitats
Elevation: 400–3000 m.
Bioregional distribution: North Coast Ranges, Cascade Range, n&c Sierra Nevada Foothills, High Sierra Nevada, Outer South Coast Ranges, San Bernardino Mountains, Warner Mountains, n East of Sierra Nevada
Distribution outside California: to British Columbia, Rocky Mtns
Flowering time: Jun–Aug
Synonyms: A. glaucifolia A. Heller
Coast Range plants generally hairier than those from farther inland
Horticultural information: DRN, IRR: 1, 2, 4, 5, 6, 17 &SHD: 3, 7, 14, 15, 16.

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