Difference between revisions of "Melanthium virginicum"
Sp. Pl. 1: 339. 1753.
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|name=Melanthium dispersum | |name=Melanthium dispersum | ||
|authority=Small | |authority=Small | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Veratrum virginicum | |name=Veratrum virginicum | ||
|authority=(Linnaeus) Aiton f. | |authority=(Linnaeus) Aiton f. | ||
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|elevation=10–800 m | |elevation=10–800 m | ||
|distribution=Ala.;Ark.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Md.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.;W.Va. | |distribution=Ala.;Ark.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Md.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.;W.Va. | ||
| − | |discussion=<p>The clawed tepals of Melanthium virginicum distinguish it from M. parviflorum and M. woodii, which have tepals with gradually attenuate bases.</p> | + | |discussion=<p>The clawed tepals of <i>Melanthium virginicum</i> distinguish it from <i>M. parviflorum</i> and <i>M. woodii</i>, which have tepals with gradually attenuate bases.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1753 | |publication year=1753 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V26/V26_65.xml |
|genus=Melanthium | |genus=Melanthium | ||
|species=Melanthium virginicum | |species=Melanthium virginicum | ||
Revision as of 16:46, 18 September 2019
Rhizomes 0.5–2 × 0.5–1.8 cm; bulbs 0.6–2.5 cm. Stems 1/4–1/3 floriferous, 0.6–2 m. Leaf blades linear, long-attenuate, 30–80 × 0.6–3.2 cm, apex acute. Inflorescences 1.3–8 dm; terminal raceme 1–2.6 dm; secondary racemes spreading to ascending, 0.2–1.1(–2.2) dm; tertiary racemes infrequent; bracts obovate to subulate, green to brown, 2–4(–6) mm, densely floccose abaxially and marginally. Tepals greenish yellow, aging dark reddish purple, ovate to obovate-oblong, 5.5–13 × 2.2–6 mm, base abruptly auriculate to hastate, clawed, margins entire, apex acute, claws 0.5–1.2(–2.5) mm; glands yellowish green, oblong to oblong-ovate, nectariferous; stamens 6.5–8.5 mm; filaments inserted at or above middle of claw, 0.7–2.5 mm from ovary base, not basally dilated, equaling tepal width at insertion point; anthers 0.9 mm; ovary ovoid, glabrous or pubescent; styles 1.5–3.5 mm; pedicel spreading to ascending, 5–20 mm. Capsules elliptic-ovoid, 10–18 × 6–10 mm, glabrous or glabrate. Seeds 5–8 × 2.5–4 mm (including wings). 2n = 16.
Phenology: Flowering late spring–summer.
Habitat: Bogs, marshes, wet woods, savannas, meadows, along railroads
Elevation: 10–800 m
Distribution
Ala., Ark., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Va., W.Va.
Discussion
The clawed tepals of Melanthium virginicum distinguish it from M. parviflorum and M. woodii, which have tepals with gradually attenuate bases.
Selected References
None.