Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

BRASSICACEAE

MUSTARD FAMILY

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.

CARDAMINE

BITTER-CRESS, TOOTHWORT

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)

Native

C. angulata Hook.

Perennial; rhizome elongate, > 3 cm, ± spreading
Stem simple, 40–100 cm; hairs generally 0 or sparse
Leaves: rhizome leaves with 3 leaflets, long-petioled; cauline leaflets > 3, ovate-lanceolate to ovate, widely dentate to lobed
Flower: petals 8–14 mm, white to pinkish
Fruit erect to ascending, 15–30 mm; pedicel ascending, 10–18 mm; style 1.5–3(4) mm
Ecology: Shady thickets, streambanks, deep woods
Elevation: < 400 m.
Bioregional distribution: Northwestern California
Distribution outside California: to Alaska
Horticultural information: TRY.

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