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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, subshrub, erect, generally glandular-puberulent to -hairy.
Stem: square in ×-section; (15)70–180 cm.
Leaf: petioled; opposite, pairs at right angles to each other, lanceolate to triangular- ovate, serrate, dentate, or deeply cut, dark to light green, yellow-green, or gray-green (dull green), base cordate to truncate or occasionally ± wedge-shaped.
Inflorescence: generally panicle of cymes, occasionally axillary cymes or flower 1; axes, pedicels generally slender, occasionally glabrous.
Flower: calyx lobes 5, 2–4 mm, triangular- ovate to lanceolate, acuminate to acute or rounded, green, persistent, margins scarious or not; corolla 6–14 mm, inflated proximally, generally 2-colored, upper lip 2-lobed, generally darker than lower, lower lip < upper, 3-lobed, middle lobe reflexed, lateral lobes erect, mouth constricted; fertile stamens 4, included, 2 generally longer; staminode 0 or proximally fused to corolla, much- reduced, or elongated with expanded tip; stigma head-like or 2-lobed; nectary disk fleshy, at ovary base.
Seed: oblong-ovoid, ridged.
150–200 species: North America, temperate Asia, Medit. (Latin: associated with the disease scrofula) [Shaw 1962 Aliso 5:147–178]
Unabridged etymology: (Latin: associated with the disease scrofula by the doctrine of signatures)
1. Annual, 15–60(90) cm; flowers generally 1–5 in leaf axils; calyx lobes lanceolate, acuminate, margins not scarious ..... S. peregrina
1' Perennial, occasionally shrubby, 70–180 cm; flowers 3–10(24) per panicle branch; calyx lobes triangular-ovate, acute to rounded, margins generally scarious
2. Infl glandular-long-soft-hairy ..... S. villosa
2' Infl glandular-puberulent to -hairy
3. Corolla dark red to ± black, appearing much-inflated proximally, mouth much-constricted ..... S. atrata
3' Corolla generally less dark, inflated proximally, mouth ± constricted
4. Lvs yellow- to gray-green (dull-green); base wedge-shaped; pedicels slender, generally curved upward; corolla 7–9 mm, 2-colored, upper lobes maroon, lower cream, edges ± pink ..... S. desertorum
4' Lvs dark to light green; base truncate to cordate or occasionally ± wedge-shaped; pedicels slender to ± stout, straight, not curved upward; corolla 8–14 mm, 1–2-colored, red to maroon or ± green-brown throughout, or upper lobes red to maroon and lower paler or ± yellow-green
5. Staminode tip club-shaped to obovate; CA-FP ..... S. californica
5' Staminode tip fan-shaped; KR, CaR, MP ..... S. lanceolata
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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