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Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.



John M. Miller & Dieter H. Wilken

Perennial herb from rhizome, glabrous or hairy. Stem: erect, branched or not. Leaf: short-petioled to sessile; blade generally ovate to lanceolate, margin toothed to deeply lobed or cut. Inflorescence: head-like in leaf axils. Flower: calyx generally 5-lobed, lobes ± equal, obtuse to short-awned; corolla ± bilateral, not 2-lipped, generally 4-lobed, lobes ± unequal; stamens 2, exserted, staminodes 2, minute, club-shaped; style exserted. Fruit: nutlets ± compressed, truncate to rounded, edges corky-thickened.
14 species: temperate North America, Eurasia, Australia. (Greek: wolf foot, from French common name) [Moon et al. 2006 J Plant Res 119:633–644]
Unabridged references: [Moon & Hong 2003 Ann Bot Fenn 40:191–198; Henderson 1962 Amer Midl Naturalist 68:95–135]

Key to Lycopus

1. Calyx lobes ovate, tip obtuse to acute, ± = fruit; leaves generally short-petioled, generally serrate ..... L. uniflorus

1' Calyx lobes awl-like, tip acuminate to short-awned, generally > fruit; leaves ± sessile to short-petioled, serrate to deeply lobed or cut

2. Leaves generally short-petioled, deeply lobed to cut, especially in lower 1/2; fruit 1–1.5 mm, tip rounded ..... L. americanus

2' Leaves generally ± sessile, serrate; fruit 1.5–2 mm, tip ± truncate ..... L. asper


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [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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