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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.


Perennial from branched caudex
Stems slender, gray-tomentose
Leaves cauline, alternate, lanceolate to ovate, entire or toothed
Inflorescence: heads discoid, generally in ± flat-topped clusters; involucre obconic; phyllaries in 1–2 equal series; receptacle flat or convex, naked
Disk flowers generally 11–23; corollas ± yellow, tube > throat; anther bases short-tailed, tips narrowly lanceolate; style branches rounded-truncate
Fruit ± cylindric; pappus of many bristles in 1–2 series
Species in genus: 2 species: nw North America
Etymology: (Anagram of Inula)
Reference: [Strother 1978 North America Fl II 10:160–173]


L. hypoleuca Benth.

Plant 1.5–6 dm
Leaves ± sessile, 2–6.5 cm, white-tomentose below, glabrous above
Inflorescence: heads generally 4–12; peduncles 1–5 cm; phyllaries 5–9 mm, lanceolate to narrowly ovate, generally tomentose, sometimes glandular-puberulent
Flowers 11–15(23); corollas generally 8–10 mm, creamy yellow, tube 3–4 mm, throat slightly expanded, lobes 1–2 mm, erect
Fruit 3–4 mm, ± 9-veined, glabrous or strigose; pappus 8–10 mm
Ecology: Rocky places, cliffs, sometimes on serpentine
Elevation: < 2100 m.
Bioregional distribution: Klamath Ranges, North Coast Ranges, sw San Francisco Bay Area
Distribution outside California: to British Columbia
Horticultural information: TRY; DFCLT.

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