Jepson Flora Project: Jepson Interchange    

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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.



Reed C. Rollins, except as specified

Annual to subshrub
Leaves generally basal and cauline, alternate, generally simple; stipules 0
Inflorescence: generally raceme
Flower bisexual; sepals 4, free; petals (0)4, free, generally white or yellow, often clawed; stamens generally (2,4)6, generally 4 long, 2 short; ovary 1, superior, chambers generally 2, septum membranous, connecting 2 parietal placentas, style 1, stigma simple or 2-lobed
Fruit: generally capsule ("silique") with 2 deciduous valves, sometimes breaking transversely or indehiscent
Seeds 1–many per chamber
Genera in family: 300+ genera, 3000+ species: worldwide, especially cool regions; some cultivated for food (especially Brassica, Raphanus ) and ornamental
Recent taxonomic note: Recently treated to include Capparaceae [Rodman et al. 1993 Ann Missouri Bot Gard 80:686–699; Rollins 1993 Cruciferae of Continental North America. Stanford Univ Press]
Family description, key to genera by Robert A. Price.



Roy E. Buck

Annual to perennial herb, generally tapered-hairy on leaves and lower stem
Stem generally ascending to erect, ± glaucous
Leaves ± entire to deeply cut; basal generally rosetted, withering, generally oblanceolate to obovate; cauline generally linear to obovate, clasping, reduced
Inflorescence becoming more open; bracts generally 0
Flower biradial to ± bilateral; calyx ± urn-shaped, sepals often ± pouched below, generally not green, generally not darker in bud, generally erect after flower; petal (and sepal) margins often scarious, wavy or not; filaments generally in 3 pairs, generally free (or longest 1–2 pairs ± fused below); style < 4 mm, stigma generally 2-lobed
Fruit ascending to reflexed, generally cylindric
Seed generally ± oblong, generally compressed, generally ± brown
Species in genus: ± 14 species: ± sw North America
Etymology: (Greek: stem flower, from use of some as cauliflower-like vegetable)


C. heterophyllus (Nutt.) Payson

Annual, bristly below
Stem generally branched above
Leaves: basal ± not rosetted, 3–12 cm, ± narrowly oblong, coarsely dentate to lobed, tapered, petiole 0 or short; upper cauline ± entire, clasping
Flower: sepals 8–9 mm, barely pouched below; petals 12–14 mm, margins scarious, not wavy; style 1–2 mm, stigma lobes ± 0 or shallow
Fruit reflexed, 5–8 cm, compressed or 4-angled
Seed generally narrowly winged
Ecology: Dry, open scrub, chaparral, often after fire or disturbance
Elevation: 0–1300 m.
Bioregional distribution: Outer South Coast Ranges, Southwestern California
Distribution outside California: Baja California
Synonyms: Streptanthus h. Nutt


var. pseudosimulans R.E. Buck

Flower: sepals yellowish or cream, reddish blushed or not; petals yellowish green, purple-veined or not
Ecology: Habitats and elevations of sp.
Bioregional distribution: Transverse Ranges, n Peninsular Ranges.Often confused with C. simulans.

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bioregional map for CAULANTHUS%20heterophyllus%20var.%20pseudosimulans being generated

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