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LAMIACEAE

MINT FAMILY

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]

LEPECHINIA

PITCHER SAGE

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)

Native

L. cardiophylla Epling

HEART-LEAVED PITCHER SAGE


Stem generally with short-stalked glands
Leaf cordate to ovate, irregularly serrate to nearly entire, generally with branched, nonglandular hairs and sessile to short-stalked glands
Flower: pedicel generally 1–3 cm; calyx spreading at mouth, tending to drop readily in fruit, with short-stalked glands, lobes < tube
Fruit glabrous
Ecology: Chaparral
Elevation: 600–1200 m.
Bioregional distribution: Peninsular Ranges (Santa Ana Mtns)
Horticultural information: In cultivation.

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