Dicentra canadensis

(Goldie) Walpers

Repert. Bot. Syst. 1: 118. 1842.

Common names: Squirrel-corn dicentre du Canada
Endemic
Basionym: Corydalis canadensis Goldie Edinburgh Philos. J. 6: 329. 1822
Synonyms: Bicuculla canadensis (Goldie) Millspaugh
Treatment appears in FNA Volume 3.

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.


Phenology: Flowering early–late spring.
Habitat: Deciduous woods, often among rock outcrops, in rich loam soils
Elevation: 0-1500 m

Distribution

V3 1085-distribution-map.gif

Ont., Que., Conn., D.C., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., Tenn., Vt., Va., W.Va., Wis.

Discussion

See discussion under the following species.

Selected References

None.

Lower Taxa

None.
... more about "Dicentra canadensis"
Kingsley R. Stern +
(Goldie) Walpers +
Corydalis canadensis +
Squirrel-corn +  and dicentre du Canada +
Ont. +, Que. +, Conn. +, D.C. +, Ill. +, Ind. +, Iowa +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
0-1500 m +
Deciduous woods, often among rock outcrops, in rich loam soils +
Flowering early–late spring. +
Repert. Bot. Syst. +
Bicuculla canadensis +
Dicentra canadensis +
Dicentra +
species +