TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora.-->

  • 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.



Annual, biennial, perennial herb, from taproots, fibrous roots, or tuber-like rhizomes; hairs 0 or simple
Leaves entire or palmately or pinnately lobed to compound; rhizome leaves often present, separate from others
Inflorescence bracted or not
Flower: sepals equal at base; petals white to pink or rose
Fruit linear, generally flat; valves generally opening elastically, sometimes by coiling from base; septum margins intruding on valves
Seeds many, 1 row per chamber, wingless (± margined in C. oligosperma); embryonic root at edges of both cotyledons
Species in genus: ± 170 species: most temp parts of world
Etymology: (Greek: for a cress with medicinal uses)


C. pensylvanica Willd.

Biennial; roots fibrous
Stems erect or decumbent, 1–few, generally branched, 10–70 cm; hairs few or generally 0 toward base
Leaves 1-pinnate, generally glabrous; basal 0–few, not rosetted; basal, lower cauline leaflets 5–11, widely elliptic to obovate, lateral < terminal
Flower: petals 2–4 mm, white
Fruit ± erect, 20–30 mm, ± 1 mm wide; pedicel ascending, 5–10 mm, slender, glabrous; style ± 1 mm
Seed ± 1 mm; wing 0
Chromosomes: 2n=32
Ecology: Muddy streambanks, seepages
Elevation: 750–1900 m.
Bioregional distribution: Cascade Range, n Sierra Nevada Foothills
Distribution outside California: to Canada, se US

previous taxon | next taxon
bioregional map for CARDAMINE%20pensylvanica being generated

Retrieve Jepson Interchange Index to Plant Names entry for Cardamine pensylvanica
Retrieve dichotomous key for Cardamine
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions
Return to treatment index page
University & Jepson Herbaria Home Page | Copyright © by the Regents of the University of California