Difference between revisions of "Cimicifuga rubifolia"
Bull. Torrey Bot. Club 24: 561. 1897.
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|distribution=Ala.;Ill.;Ind.;Ky.;Tenn.;Va. | |distribution=Ala.;Ill.;Ind.;Ky.;Tenn.;Va. | ||
|discussion=<p>In addition to being found in the Ridge and Valley Province of Tennessee and Virginia, <i>Cimicifuga rubifolia</i> has disjunct populations in Alabama, the lower Ohio River Valley, and in the middle Tennessee counties of Davidson, Montgomery, and Stewart.</p><!-- | |discussion=<p>In addition to being found in the Ridge and Valley Province of Tennessee and Virginia, <i>Cimicifuga rubifolia</i> has disjunct populations in Alabama, the lower Ohio River Valley, and in the middle Tennessee counties of Davidson, Montgomery, and Stewart.</p><!-- | ||
| − | --><p>The name <i>Cimicifuga racemosa</i> < | + | --><p>The name <i>Cimicifuga racemosa</i> <i></i>var.<i> cordifolia</i> has been misapplied to <i>C. rubifolia</i>. See discussion of <i>C. cordifolia</i> under <i>C. americana</i>.</p> |
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name=Cimicifuga rubifolia | name=Cimicifuga rubifolia | ||
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|authority=Kearney | |authority=Kearney | ||
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|publication title=Bull. Torrey Bot. Club | |publication title=Bull. Torrey Bot. Club | ||
|publication year=1897 | |publication year=1897 | ||
| − | |special status=Endemic; | + | |special status=Endemic;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_260.xml |
|genus=Cimicifuga | |genus=Cimicifuga | ||
|species=Cimicifuga rubifolia | |species=Cimicifuga rubifolia | ||
Latest revision as of 21:47, 5 November 2020
Stems 30-140 cm, glabrous. Leaves: petiole angled, 20-50 cm, proximally deeply grooved adaxially, densely pubescent in groove, otherwise glabrous or sparsely pubescent. Leaf blade 1-2-ternately compound; leaflets 3-9(-17); terminal leaflet of central segments broadly obovate, deeply 3-5-lobed, 9-30 × 9-25 cm, with 5-9 prominent veins arising basally, base deeply cordate, margins coarsely and irregularly dentate, apex sharply acuminate, surfaces abaxially with long, appressed, delicate hairs, adaxially glabrous; other leaflets 8-24 × 6-22 cm. Inflorescences erect panicles of 2-6 racemelike branches, terminal raceme 15-30 cm, puberulent to short-pubescent; bracts 3, subtending pedicel, central bract larger, lanceolate, 2 mm, lateral bracts ovate-deltate; pedicel to 5 mm, short-pubescent, bracteoles absent. Flowers: sepals 5, white; petals absent; stamens 35-65; filaments 3-5 mm; pistils 1(-2), sessile, sparsely glandular; style short, straight or slightly recurved; stigma minute, 0.2-0.3 mm wide. Follicles 1(-2), sessile, oblong, strongly compressed laterally, 8-20 mm, thin walled. Seeds reddish brown, lenticular, covering of scales giving cylindric appearance, ca. 3 mm, covered with reddish brown, membranous scales. 2n = 16.
Phenology: Flowering summer–fall (Aug–Oct).
Habitat: North-facing, limestone talus slopes and river bluffs, ravines, and coves, and along rivers and creeks
Elevation: 300-900 m
Distribution
Ala., Ill., Ind., Ky., Tenn., Va.
Discussion
In addition to being found in the Ridge and Valley Province of Tennessee and Virginia, Cimicifuga rubifolia has disjunct populations in Alabama, the lower Ohio River Valley, and in the middle Tennessee counties of Davidson, Montgomery, and Stewart.
The name Cimicifuga racemosa var. cordifolia has been misapplied to C. rubifolia. See discussion of C. cordifolia under C. americana.
Selected References
None.