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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.



David J. Keil, Family Editor and author, except as specified

Annual to tree
Leaves basal or cauline, alternate to whorled, simple to compound
Inflorescence: 1° inflorescence a head, each resembling a flower, 1–many, generally arrayed in cymes, generally subtended by ± calyx-like involucre; flowers 1–many per head
Flowers bisexual, unisexual, or sterile, ± small, of several types; calyx 0 or modified into pappus of bristles, scales, or awns, which is generally persistent in fruit; corolla radial or bilateral (rarely 0), lobes generally (0)4–5; stamens 4–5, anthers generally fused into cylinder around style, often appendaged at tips, bases, or both, filaments generally free, generally attached to corolla near throat; pistil 1, ovary inferior, 1-chambered, 1-seeded, style 1, branches 2, generally hair-tufted at tip, stigmas 2, generally on inside of style branches
Fruit: achene, cylindric to ovoid, generally deciduous with pappus attached
Genera in family: ± 1300 genera, 21,000 species (largest family of dicots): worldwide. Largest family in CA. Also see tribal key to CA genera: Strother 1997 Madroño 44(1):1–28. See glossary p. 25 for illustrations of general family characteristics.


Annual 1–15 dm, green to canescent, generally self-sterile
Leaves alternate (or lower opposite), linear to oblanceolate, entire to toothed; lower soon deciduous; upper ± bract-like
Inflorescence spike- to panicle-like; heads radiate, opening in evening, generally closing by ± midday, ± short-peduncled; phyllaries fully folded around ray ovaries, falling with fruits, tips flat, erect or spreading; receptacle flat, short-hairy; chaff scales 5 in ring between ray and disk flowers, weakly fused
Ray flowers 5; ligule 3-lobed, yellow, red-veined, often aging purplish
Disk flowers 6, staminate; corolla yellow; anthers black, tips widely triangular; ovaries slender, style branches undivided
Fruit: pappus 0; ray achenes compressed front-to-back
Species in genus: 4 species: CA
Etymology: (Greek: hare leaf, from copious leaf hairs)
Reference: [Thompson 1983 PhD Univ CA Davis]


L. minor (D.D. Keck) D.D. Keck

Stems repeatedly forked, often spreading, strigose, dark purple-brown
Leaves 2–5.5 cm, linear; basal toothed; cauline entire, minutely strigose or short-rough-hairy; upper finely long-ciliate
Inflorescence ± nonglandular; heads borne in stem forks; involucre hemispheric; phyllaries 4–5 mm, acuminate, soft-hairy, very-long-ciliate
Ray flowers: ligules 8–13 mm, bright yellow
Disk flowers: corollas 3–3.5 mm
Fruit 2.1–2.7 mm, oblanceolate, glossy black; midvein evident
Chromosomes: 2n=14
Ecology: Foothill woodland, often on serpentine
Elevation: < 700 m.
Bioregional distribution: Inner North Coast Ranges, n Sierra Nevada Foothills (El Dorado Co.).Fls spring.

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