WorldFloraDB - Dicentra canadensis

Characteristics

Plants perennial, scapose, from short rootstocks bearing yellow, globose bulblets. Leaves (10-)14-24(-30) × (4-)6-14(-18) cm; petiole (5-)8-16(-22) cm; blade with 4 orders of leaflets and lobes; abaxial surface glaucous; ultimate lobes linear to linear-elliptic or linear-obovate, (2-)5-15(-23) × (0.4-)2-4 mm, usually minutely apiculate. Inflorescences racemose, 3-12-flowered, usually exceeding leaves, (10-)15-27(-33) cm; bracts ovate, 2-5 × 1-3 mm. Flowers pendent, very fragrant; pedicels (2-)3-7(-14) mm; sepals triangular to ovate, 2-4 × 1-2 mm, apex acuminate; petals white; outer petals (10-)12-16(-20) × (2-)4-5(-8) mm, reflexed portion 3-5 mm; inner petals (10-)12-15(-18) mm, blade 2-4 mm, claw linear-elliptic, 5-9 mm, crest prominent, ca. 2 mm diam., exceeding apex by ca. 2 mm; filaments of each bundle distinct nearly to base; nectariferous tissue forming 0.5-1 mm spur oriented vertically; style 4-7 mm; stigma shallowly 2-horned with 2 lateral papillae. Capsules ovoid, attenuate at both ends, (5-)9-13(-17) × 3-6 mm. Seeds slightly reniform, very obscurely reticulate, elaiosome present.

More

Much like no. 1 [Dicentra cucullaria (L.) Bernh.]; bulblets fewer and about twice as big, pea-shaped, yellow; lvs typically 1 per scape, blue-green, glaucous; cor narrowly ovate, its spurs short, broadly rounded, scarcely divergent; nectary-spurs 0.5–1 mm; 2n=64. Rich woods; s. Me. and s. Que. to s. Minn., s. to N.C., Tenn., and Mo. Apr., May.

A plant that keeps growing from year to year. It grows 25 cm high and spreads 30 cm wide. It develops tubers. The stems are slender and arch over. The leaves are divided along the stalk into a number of lobes. The leaflets are wedge shaped. The flowers are greenish-white and have purple tinges. They are heart shaped and hang down.

Life form

perennial

Growth form

herb

Growth support

-

Foliage retention

deciduous

Sexuality

hermaphrodite

Pollination

-

Spread

-

Mature width (meter)

0.3

Mature height (meter)

0.15 - 0.2

Root system

-

Rooting depth (meter)

-

Root diameter (meter)

-

Flower color

Blooming months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Fruit color

-

Fruiting months

-

Nitrogen fixer

-

Photosynthetic pathway

c3

Environment

It is best in rich, well-drained soils. It needs an open sunny position. It is resistant to frost but damaged by drought.

More

Rich woods. Deciduous woods, often among rock outcrops, in rich loam soils from sea level to 1500 metres.

Light
Soil humidity
Soil texture
Soil acidity
Soil nutriment	-
Hardiness (USDA)

Usage

CAUTION: The roots contain a number of alkaloids. It affects nerves and muscles.

Uses	medicinal poison
Edible	roots
Therapeutic use	Diuretics (tuber), General tonic for rejuvenation (tuber), Alterative (unspecified), Diuretic (unspecified), Nystagmus (unspecified), Tonic (unspecified), Tremor (unspecified), Paralysis (unspecified), Syphilis (unspecified), Tuberculosis, lymph node (unspecified)
Human toxicity	-
Animal toxicity	-

Cultivation

It is grown from seeds.

Mode	cuttings seedlings
Germination duration (days)	30 - 180
Germination temperacture (C°)	12 - 15
Germination luminosity	-
Germination treatment	stratification
Minimum temperature (C°)	-29
Optimum temperature (C°)	-
Size	-
Vigor	-
Productivity	-

Images

Leaf

Dicentra canadensis leaf picture by Christina Emery (cc-by-sa)

Flower

Dicentra canadensis flower picture by Sam Vergara (cc-by-sa)

Distribution

Identifiers

LSID	urn:lsid:ipni.org:names:672637-1
WFO ID	wfo-0000644959
COL ID	35J84
BDTFX ID	-
INPN ID	-
Wikipedia (EN)	Link
Wikipedia (FR)	Link

Synonyms

Bicuculla canadensis Corydalis canadensis Capnorchis canadensis Dielytra canadensis Diclytra canadensis Bikukulla canadensis Diclytra canadensis Dielytra eximia var. a Dicentra canadensis

WorldFloraDB 2024

Dicentra canadensis (Goldie) Walp.

Squirrel corn (en)

Species

Angiosperms > Ranunculales > Papaveraceae > Dicentra