Jepson Flora Project: Jepson Interchange    

link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
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.


Perennial, ± cespitose; caudex matted with leaves, leaf bases
Leaves soft, pliable, generally 1-pinnate; hairs dense, branched or not; basal petioled; cauline short-petioled to sessile
Inflorescence ± umbel-like, dense
Flower showy; sepal bases not sac-like; petals spoon-shaped, white to purplish
Fruit dehiscent, linear to ovate, ± flat parallel to septum to ± plump, hairy or not; stigma disk-like
Seeds several, 1 row per chamber; embryonic root at back of 1 cotyledon, sometimes obliquely so
Species in genus: ± 10 species: w North America, n&c Asia
Etymology: (T. Smielowski, Russian botanist, 1769–1815)

previous taxon | next taxon
bioregional map for SMELOWSKIA being generated

Retrieve Jepson Interchange Index to Plant Names entry for Smelowskia
Retrieve dichotomous key for Smelowskia
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page

University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California