Jepson Flora Project: Jepson Interchange    

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

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

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]

MONARDELLA

James D. Jokerst

Annual, perennial herb, ± gland-dotted
Leaves entire to serrate
Inflorescence: heads 1 or more per main stem, sometimes arrayed in spikes or panicles; bracts in 2–3 series (outer series (0)1–2 pairs, ± like leaves, 0–several mm below heads, erect to reflexed; middle series 2–4 pairs, like leaves to papery or leathery, sometimes straw-colored to purple, erect in cup-like involucre to reflexed; inner series 0–few pairs, membranous, linear-lanceolate)
Flower: calyx 5-lobed, generally < 12 mm; corolla white to purple, upper lip erect, 2-lobed, lower lip recurved, 3-lobed; stamens 4; style unequally 2-lobed
Species in genus: ± 20 species: w North America
Etymology: (Latin: small Monarda )
Reference: [Epling 1925 Ann Missouri Bot Gard 12:1–106]
Complex; hybrids common, often outnumbering non-hybrids; head width and bract orientation given for unpressed specimens
Horticultural information: often DFCLT. Many subsp., subspp., or populations have exacting soil requirements.

Native

M. hypoleuca A. Gray

Perennial, erect, open
Stem purple, short-hairy
Leaf 20–40 mm, linear-lanceolate to narrowly ovate, thick; lower surface ± white, felt-like or woolly; upper surface green, ± glabrous to hairy
Inflorescence: head 20–40 mm wide; bracts 8–12 mm, leathery or scarious, purple, tomentose, ciliate
Flower: corolla 15–17 mm, white to pale lavender, lobes obtuse; stamens exserted
Ecology: Chaparral, woodland, forest
Elevation: < 1500 m.
Bioregional distribution: Outer South Coast Ranges, South Coast, Western Transverse Ranges, San Gabriel Mountains, Peninsular Ranges
Distribution outside California: n Baja California?

Native

subsp. lanata (Abrams) Munz

FELT-LEAVED MONARDELLA


Stem ± densely hairy
Leaf linear-lanceolate, ± arched betweeen rolled-under margins; upper surface sparsely hairy to matted-hairy, veins generally not prominent
Inflorescence: inner bracts elliptic
Ecology: Chaparral
Elevation: 300–1000 m.
Bioregional distribution: w Peninsular Ranges (Orange, San Diego cos.)
Distribution outside California: n Baja California?
Horticultural information: In cultivation.
See the CNPS Inventory for information about endangerment and rarity.
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