Difference between revisions of "Corydalis micrantha"
Bot. Gaz. 11: 189. 1886.
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|name=Corydalis aurea var. micrantha | |name=Corydalis aurea var. micrantha | ||
|authority=Engelmann ex A. Gray | |authority=Engelmann ex A. Gray | ||
| + | |rank=variety | ||
|publication_title=Manual ed. | |publication_title=Manual ed. | ||
|publication_place=5, 62. 1867 | |publication_place=5, 62. 1867 | ||
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|name=Capnoides micranthum | |name=Capnoides micranthum | ||
|authority=(Engelmann ex A. Gray) Britton | |authority=(Engelmann ex A. Gray) Britton | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Fumariaceae;Corydalis;Corydalis micrantha | |hierarchy=Fumariaceae;Corydalis;Corydalis micrantha | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=Ala.;Ark.;Fla.;Ga.;Ill.;Iowa;Kans.;La.;Minn.;Miss.;Mo.;N.C.;Nebr.;Okla.;S.C.;S.Dak.;Tenn.;Tex.;Wis. |
|discussion=<p>Subspecies 3 (3 in the flora).</p><!-- | |discussion=<p>Subspecies 3 (3 in the flora).</p><!-- | ||
--><p><i>Corydalis micrantha</i> can be distinguished readily from other yellow-flowered North American species by its very small seeds. Cleistogamy is encountered regularly in <i>C. micrantha</i>. A single plant from any part of the range may have only cleistogamous flowers, only chasmogamous flowers, or both types. Plants having only cleistogamous flowers usually are much more profusely and delicately branched. In <i>C. micrantha</i>, at least, shade and age appear to play roles in the initiation of cleistogamy.</p> | --><p><i>Corydalis micrantha</i> can be distinguished readily from other yellow-flowered North American species by its very small seeds. Cleistogamy is encountered regularly in <i>C. micrantha</i>. A single plant from any part of the range may have only cleistogamous flowers, only chasmogamous flowers, or both types. Plants having only cleistogamous flowers usually are much more profusely and delicately branched. In <i>C. micrantha</i>, at least, shade and age appear to play roles in the initiation of cleistogamy.</p> | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Corydalis micrantha | name=Corydalis micrantha | ||
| − | |||
|authority=(Engelmann ex A. Gray) A. Gray | |authority=(Engelmann ex A. Gray) A. Gray | ||
|rank=species | |rank=species | ||
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|family=Fumariaceae | |family=Fumariaceae | ||
|illustrator=Bee F. Gunn | |illustrator=Bee F. Gunn | ||
| − | |distribution= | + | |illustration copyright=Flora of North America Association |
| + | |distribution=Ala.;Ark.;Fla.;Ga.;Ill.;Iowa;Kans.;La.;Minn.;Miss.;Mo.;N.C.;Nebr.;Okla.;S.C.;S.Dak.;Tenn.;Tex.;Wis. | ||
|reference=None | |reference=None | ||
|publication title=Bot. Gaz. | |publication title=Bot. Gaz. | ||
|publication year=1886 | |publication year=1886 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_309.xml |
|genus=Corydalis | |genus=Corydalis | ||
|species=Corydalis micrantha | |species=Corydalis micrantha | ||
}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Corydalis]] | + | --> |
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| + | [[Category:Treatment]] | ||
| + | [[Category:Corydalis]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 17:00, 6 November 2020
Plants winter annual, glaucous to nearly green, from somewhat succulent roots. Stems 1-several, erect to prostrate-ascending, (1.5-)2-4(-6) dm. Leaves crowded, compound; blade with 2 orders of leaflets and lobes; ultimate lobes ovate, oblong-elliptic, or obovate, margins incised, apex subapiculate. Inflorescences racemose, (6-)10-16(-20)-flowered, primary racemes slightly to conspicuously exceeding leaves, secondary racemes fewer flowered, exceeded by leaves, cleistogamous-flowered racemes frequently present, 1-5-flowered, inconspicuous; bracts elliptic to attenuate-ovate, 5-8 × 2-4 mm, margins denticulate, distal bracts usually much reduced, those of cleistogamous racemes minute. Flowers erect or spreading; pedicel 2-6 mm; sepals ovate, to 1.5 mm, margins often sinuate or dentate; petals pale to medium yellow; spurred petal slightly to strongly curved, (11-)12-14(-15) mm, spur straight, 4-7 mm, apex obtuse or ± globose, crest low, wrinkled, rarely obsolescent, marginal wing well developed, sometimes revolute, unspurred outer petal slightly bent, 9-11 mm, crest low; inner petals oblanceolate, 7-10 mm, blade apex 2 times or more wider than base, basal lobes obscure, claw 3-4 mm; nectariferous spur straight or curved, sometimes clavate, ca. 3/5 length of petal spur; style ca. 4 mm; stigma rectangular, 2-lobed, 1/2 as long as wide, with 8 papillae. Capsules erect, linear, slender, straight to slightly incurved, 10-35 mm, essentially glabrous, usually shorter in cleistogamous-flowered racemes. Seeds ca. 1.5 mm diam., concentrically and minutely decorated, marginal ring absent.
Distribution
Ala., Ark., Fla., Ga., Ill., Iowa, Kans., La., Minn., Miss., Mo., N.C., Nebr., Okla., S.C., S.Dak., Tenn., Tex., Wis.
Discussion
Subspecies 3 (3 in the flora).
Corydalis micrantha can be distinguished readily from other yellow-flowered North American species by its very small seeds. Cleistogamy is encountered regularly in C. micrantha. A single plant from any part of the range may have only cleistogamous flowers, only chasmogamous flowers, or both types. Plants having only cleistogamous flowers usually are much more profusely and delicately branched. In C. micrantha, at least, shade and age appear to play roles in the initiation of cleistogamy.
Selected References
None.
Lower Taxa
Key
| 1 | Racemes of chasmogamous flowers not greatly exceeding leaves, often short; petal spur ± globose at apex; capsules often stout, commonly 10–15 mm. | Corydalis micrantha subsp. micrantha |
| 1 | Racemes of chasmogamous flowers often greatly exceeding leaves, elongate; petal spur blunt, not globose at apex; capsules slender, commonly 15–30 mm. | > 2 |
| 2 | Stems usually weak; capsules commonly 15–20 mm. | Corydalis micrantha subsp. australis |
| 2 | Stems usually stout; capsules commonly 21–35 mm. | Corydalis micrantha subsp. texensis |