Cardamine digitata Richardson

Richardson's bittercress (en), Cardamine à cinq feuilles (fr), dentaire digitée (fr), Cresson des bois (fr)

Species

Angiosperms > Brassicales > Brassicaceae > Cardamine

Characteristics

Perennials; glabrous throughout. Rhizomes cylindrical, slender, 0.5-1.5 mm diam. Stems erect, unbranched, (0.6-)1-2(-3) dm. Rhizomal leaves pinnately 5 or 7-foliolate, (2-)4-10 cm, (not fleshy), leaflets sessile; petiole (1.5-)3-7(-9) cm; lateral leaflets similar to terminal, blade sometimes smaller; terminal leaflet blade linear to narrowly oblong or narrowly lanceolate, (0.5-)1-2.5(-3.3) cm × 0.5-4(-8) mm, base cuneate to attenuate, margins entire. Cauline leaves (1 or) 2 or 3, 5 or 7-foliolate, petiolate, leaflets sessile; petiole (0.2-)0.5-1.2(-1.5) cm, base not auriculate; lateral leaflets similar to terminal, blade smaller; terminal leaflet blade narrowly lanceolate to linear, 1-3.2(-4) cm × 0.8-2.5(-3.5) mm, base cuneate to attenuate, margins entire (apex acute to acuminate). Racemes ebracteate. Fruiting pedicels suberect to divaricate-ascending, (7-)10-25 mm. Flowers: sepals ovate, 2.5-3.5 × 1.5-2.5 mm, lateral pair not saccate basally; petals white, obovate, 5-9 × 2.5-5 mm (clawed, apex rounded); filaments: median pairs 3-4.5 mm, lateral pair 1.5-2.5 mm; anthers oblong, 1-1.5 mm. Fruits linear, (1.5-)2-4 cm × 1.5-2 mm; ovules 6-12 per ovary; style (1-)1.5-2.5(-4) mm. Seeds brown, oblong, 1.8-2.2 × 0.9-1.1 mm. 2n = 28, 42.
Life form perennial
Growth form herb
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Sexuality hermaphrodite
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Root system rhizome
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Environment

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Hardiness (USDA) 4-9

Usage

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Edible -
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Cultivation

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Distribution

Cardamine digitata world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:280274-1
WFO ID wfo-0000586714
COL ID R4CV
BDTFX ID 12855
INPN ID 87912
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Cardamine digitata Cardamine hyperborea Dentaria petersiana Cardamine oxyphylla Cardamine sphenophylla Cardamine petersiana Cardamine richardsonii Cardamine digitata var. oxyphylla Cardamine digitata var. sphenophylla Cardamine hyperborea var. oxyphylla Cardamine hyperborea var. hyperborea