Jepson Flora Project: Jepson Interchange    

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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

Shrub, < 2 m, aromatic
Leaves petioled, often reduced to sessile bracts upward; blade generally 4–12 cm, lanceolate to ovate, rounded to cordate at base, crenate or serrate to entire
Inflorescence: raceme, open; bracts 1 per flower, leaf-like, lanceolate; pedicels persistent after fruit-fall
Flower: calyx 5-lobed, barely 2-lipped, turning scarlet-purple, enlarging in fruit; corolla 5-lobed, 2-lipped, white to lavender tinged, lower lip longer, upper lip 4-lobed; stamens 4, in 2 pairs, included in throat, anther sacs spreading; style 2-lobed, included in throat
Fruit 2–4 mm, round to oblong, black to dark brown, smooth, glabrous or with minute hairs
Chromosomes: 2n=32
Species in genus: 40 species: CA, Mex, South America
Etymology: (I.I. Lepechin, Russian botanist, 1737–1802)


L. calycina (Benth.) Epling

Plant with long, branched, nonglandular hairs, sometimes with short-stalked to sessile glands
Leaf lanceolate to narrowly ovate, ± entire to crenate-serrate
Flower: pedicel 0–1 cm; calyx inflated, generally persistent, spheric in fruit, lobes < tube
Fruit hairs minute
Ecology: Common. Rocky slopes; chaparral, woodland
Elevation: 150–900 m.
Bioregional distribution: North Coast Ranges, Cascade Range Foothills, n&c Sierra Nevada Foothills, San Francisco Bay Area, Outer South Coast Ranges, Western Transverse Ranges
Horticultural information: DRN, DRY, SUN: 7, 14, 15, 16, 17, 22, 23, 24 &SHD: 8, 9, 18, 19, 20, 21.

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