Difference between revisions of "Corydalis aurea"
Enum. Pl. 2: 740. 1809.
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|genus=Corydalis | |genus=Corydalis | ||
|species=Corydalis aurea | |species=Corydalis aurea |
Revision as of 20:53, 24 September 2019
Plants winter annual or biennial, glaucous, from ± branched caudices. Stems 10-50, prostrate-ascending, 2-3.5 dm. Leaves compound; blade with 3 orders of leaflets and lobes; ultimate lobes elliptic, 1.5 times or more longer than wide, margins incised, apex subapiculate. Inflorescences racemose, 10-20(-30)-flowered, primary racemes shorter than to slightly exceeding leaves, secondary racemes fewer flowered; bracts elliptic to linear, 4-10 × 1-2 mm, rarely larger, margins often denticulate toward apex, distal bracts usually much reduced. Flowers at first erect, later reflexed; pedicel 5-10 mm; sepals ovate to attenuate-ovate, to 1-3 mm, margins often sinuate or dentate; petals pale to bright yellow; spurred petal 13-16 mm, spur straight or slightly incurved, 4-5 mm, apex subglobose, crest low and incised or absent, marginal wing moderately to well developed, unspurred outer petal 9-11 mm, crest same as that of spurred petal; inner petals oblanceolate, 8-10 mm, blade wider than claw and more prominently winged toward apex, claw 3.5-4.5 mm; nectariferous spur 2-3 mm; style ca. 3 mm; stigma 2-lobed, 1/2 as long as wide, with 8 papillae. Capsules erect to pendent at maturity, linear, often torulose, slender to somewhat stout, straight to moderately incurved, 12-24(-30) mm. Seeds nearly 2 mm diam., appearing essentially smooth under magnification, narrow marginal ring present or absent.
Distribution
North America, Mexico.
Discussion
Subspecies 2 (2 in the flora).
The Navaho used Corydalis aurea medicinally for a variety of ailments, including rheumatism, diarrhea, sores on the hands, stomachaches, menstrual problems, and sore throats, and as a general disinfectant (D. E. Moerman 1986, no subspecies cited).
Selected References
None.
Key
1 | Capsules slender, pendent or spreading at maturity, usually 18–24 mm; seeds without marginal ring; leaves generally exceeding racemes. | Corydalis aurea subsp. aurea |
1 | Capsules stout, erect at maturity, 12–20 mm; seeds with narrow marginal ring; racemes generally exceeding leaves. | Corydalis aurea subsp. occidentalis |