Corydalis pauciflora

(Stephan ex Willdenow) Persoon

Syn. Pl. 2: 269. 1807.

Basionym: Fumaria pauciflora Stephan ex Willdenow Sp. Pl. 3(2): 861. 1803
Synonyms: Corydalis arctica Popov Corydalis pauciflora var. albiflora A. E. Porsild
Treatment appears in FNA Volume 3.

Plants perennial, from small, tuberous, usually forked taproots with fibrous rootlets at base, sometimes with 1-several accessory buds at summit. Stems usually 1-3, erect, mostly 0.8-2 dm, often with 1-2 basal scales. Leaves 2-5, simple; blade with 2 orders of lobes; ultimate lobes elliptic. Inflorescences terminal, racemose, 3-5-flowered, flowers crowded at summit of stout peduncle; bracts inconspicuous, ovate to obovate, 4-10 × 3-5 mm, proximal bract largest. Flowers erect; pedicel stout, 4-10 mm; sepals caducous, 1-2 × 1-2 mm, margins variously dentate; petals blue, often tinged purple; spurred petal 17-20 mm, spur abruptly incurved near apex, 7-10 mm, crest low, extending to apex, marginal wing narrow, unspurred outer petal 10-12 mm, margins revolute; inner petals 8-10 mm, blade obovate, claw slender, ca. 4-5 mm; nectariferous spur clavate, 2/3-3/4 length of petal spur; style ca. 2 mm; stigma 4-lobed, rhomboid, narrower toward base. Capsules reflexed, ellipsoid to obovoid, ca. 12 × 5 mm. Seeds essentially smooth. 2n = 16.


Phenology: Flowering early-mid summer.
Habitat: Tundra
Elevation: 0-1100 m

Distribution

V3 245-distribution-map.gif

B.C., N.W.T., Yukon, Alaska, Asia

Discussion

This distinctive species is the only blue-flowered member of the genus in the flora area. It is an essentially Asiatic species whose distribution extends across the Bering Strait into North America.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."narrower" is not a number.

... more about "Corydalis pauciflora"
Kingsley R. Stern +
(Stephan ex Willdenow) Persoon +
Fumaria pauciflora +
obovate +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
inconspicuous +
ovate;obovate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
adnate +  and connate +
12 cm120 mm <br />0.12 m <br /> (?) +
ellipsoid +  and obovoid +
5 cm50 mm <br />0.05 m <br /> (?) +
slender +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
B.C. +, N.W.T. +, Yukon +, Alaska +  and Asia +
0-1100 m +
dehiscent +  and indehiscent +
Tundra +
terminal +  and axillary +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
cauline +  and basal +
2 (?) +  and 5 (?) +
not spurred +  and spurred +
3 +, both +  and 1 +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
dissimilar +  and alike +
broadly ovoid;obovoid +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
tinged purple;blue +
coherent +  and distinct +
1.7 cm17 mm <br />0.017 m <br /> (2 cm20 mm <br />0.02 m <br />) +
not spongy +
Flowering early-mid summer. +
perpendicular +
reniform +  and subglobose +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
branching +  and simple +
climbing +  and prostrate +
persistent +
rhomboid +  and 4-lobed +
thread-like +
2 cm20 mm <br />0.02 m <br /> (?) +
Corydalis arctica +  and Corydalis pauciflora var. albiflora +
Corydalis pauciflora +
Corydalis +
species +