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Key to families | Table of families and genera
This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.
Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. 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, hairy, taprooted, red root dye present or not.
Leaf: generally cauline, ± sessile, entire.
Inflorescence: panicle-like cyme or flowers 1 in upper leaf axils; bracts throughout.
Flower: calyx deep-5-lobed, enlarged in fruit, lobes equal; corolla 5-lobed, funnel-shaped or salverform, generally ± yellow (± white), tube > lobes, appendages present or 0; style entire.
Fruit: nutlets 1–4, 2.5–6+ mm, ovoid, plump, smooth to pitted or wrinkled, attachment scar basal.
75 species: worldwide, generally temperate, mtns. (Greek: stone seed) Heterostylous or not; cleistogamous flowers present or 0.
Unabridged references: [Baker 1961 Rhodora 63:229–235, Ralston 1993 Ph.D. Dissertation Northern Arizona Univ]
1. Annual; caudex 0; corolla ± white (blue-white), tube with 5 vertical bands of hairs; fruit ± brown, wrinkled, ± tubercled, ± dull ..... L. arvense
1' Perennial; caudex ± woody; corolla ± yellow, tube without longitudinal bands of hairs; fruit white to gray, smooth to pitted, shiny
2. Corolla 15–35 mm, 10–20 mm diam, appendaged, lobe margin jagged; cleistogamous flowers present; se DMtns ..... L. incisum
2' Corolla 9–18 mm, 7–13 mm diam, appendages 0, lobes entire; cleistogamous flowers 0; KR, NCoRH, NCoRI, CaR, n SNH, MP
3. Fls in open panicles or 1 in upper leaf axils; pedicels 4–7 mm, recurved in fruit; corolla 12–18 mm, 1.5–2 × calyx, golden yellow; heterostylous; leaf blades oblong to lance-ovate, few, scattered ..... L. californicum
3' Fls in dense cymes; pedicels 1–3 mm, ± erect in fruit; corolla 9–12 mm, 1–1.5 × calyx, pale- to green-yellow; homostylous; leaf blades lanceolate to linear, many, crowded ..... L. ruderale
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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