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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.
[Annual] perennial herb [subshrub], aromatic; hairs short, spreading to recurved. Stem: decumbent to erect, branched at base. Leaf: short-petioled to sessile; blade round to linear, entire or toothed. Inflorescence: head-like in distal leaf axils; bracts minute. Flower: calyx 2-lipped, upper lip 3-lobed, lower 2-lobed, lobes acuminate, sharp-pointed, tube swollen or pouched proximally; corolla 2-lipped, upper lip > lower, entire to 2-lobed, lower lip 3-lobed; stamens 2, under upper lip or exserted, staminodes minute or 0; style unequally 2-lobed. Fruit: nutlets pitted, glaucous, gelatinous when wet.
38 species: North America, South America. (Greek: ancient name for strongly aromatic mint) [Wagstaff et al. 1998 Plant Syst Evol 209:265–274]
Unabridged references: [Irving 1980 Sida 8:218–295]
1. Leaf blades linear to ± oblong; in fruit calyx lobes converging, throat ± closed; stems proximally glabrous in age ..... H. drummondii
1' Leaf blades ovate to ± round; in fruit calyx lobes spreading to ± reflexed, throat ± open; stems puberulent throughout ..... H. nana subsp. californica
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [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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