Brintonia: Difference between revisions
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'''''Brintonia''''' is a [[monotypic taxon|monotypic genus]] of flowering plants in the [[Asteraceae|sunflower family]], containing the single species '''''Brintonia discoidea'''''. It is known commonly as the '''rayless mock goldenrod'''.<ref name=fnasp>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066274 ''Brintonia discoidea''.] Flora of North America.</ref><ref name=uw>[https://uwaterloo.ca/astereae-lab/research/goldenrods/brintonia ''Brintonia''.] Astereae Lab. University of Waterloo.</ref> It is native to the [[southeastern United States]], where it is distributed in [[Alabama]], [[Florida]], [[Georgia (U.S. state)|Georgia]], [[Louisiana]], and [[Mississippi]].<ref name=fnasp/><ref>[http://bonap.net/MapGallery/County/Brintonia%20discoidea.png Biota of North America Program 2014 county distribution map]</ref> |
'''''Brintonia''''' is a [[monotypic taxon|monotypic genus]] of flowering plants in the [[Asteraceae|sunflower family]], containing the single species '''''Brintonia discoidea'''''. It is known commonly as the '''rayless mock goldenrod'''.<ref name=fnasp>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066274 ''Brintonia discoidea''.] Flora of North America.</ref><ref name=uw>[https://uwaterloo.ca/astereae-lab/research/goldenrods/brintonia ''Brintonia''.] Astereae Lab. University of Waterloo.</ref> It is native to the [[southeastern United States]], where it is distributed in [[Alabama]], [[Florida]], [[Georgia (U.S. state)|Georgia]], [[Louisiana]], and [[Mississippi]].<ref name=fnasp/><ref>[http://bonap.net/MapGallery/County/Brintonia%20discoidea.png Biota of North America Program 2014 county distribution map]</ref> |
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''Brintonia discoidea'' is a perennial herb growing up to 1.5 meters tall from a thick [[rhizome]]. The erect, unbranched stem is lightly hairy. The [[Alternate leaf|alternate]]ly arranged leaves have rough-haired [[serrated]] blades up to 10 centimeters long on winged [[petiole (botany)|petioles]]. The [[inflorescence]] is a wide array of several [[pseudanthium|flower heads]]. Each head contains up to 20 [[disc florets]] with bright green tubes and whitish or pinkish [[Petal|corollas]] and pinkish [[stamen|anthers]]. The fruit is a ribbed [[cypsela]] with a [[pappus (flower structure)|pappus]] of many white or purple-tipped [[bristles]].<ref name=fnasp/> |
''Brintonia discoidea'' is a perennial herb growing up to 1.5 meters tall from a thick [[rhizome]]. The erect, unbranched stem is lightly hairy. The [[Alternate leaf|alternate]]ly arranged leaves have rough-haired [[serrated]] blades up to 10 centimeters long on winged [[petiole (botany)|petioles]]. The [[inflorescence]] is a wide array of several [[pseudanthium|flower heads]]. Each head contains up to 20 [[disc florets]] with bright green tubes and whitish or pinkish [[Petal|corollas]] and pinkish [[stamen|anthers]]. The fruit is a ribbed [[Asteraceae#Fruits and seeds|cypsela]] with a [[pappus (flower structure)|pappus]] of many white or purple-tipped [[bristles]].<ref name=fnasp/> |
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The plant occurs on the [[Gulf Coastal Plain]] in sandy, [[swamp]]y habitat.<ref name=uw/> |
The plant occurs on the [[Gulf Coastal Plain]] in sandy, [[swamp]]y habitat.<ref name=uw/> |
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Revision as of 09:24, 24 July 2015
| Brintonia | |
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| Scientific classification | |
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| Genus: | Brintonia |
| Species: | B. discoidea
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| Binomial name | |
| Brintonia discoidea (Elliott) Greene
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| Synonyms[1] | |
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Brintonia is a monotypic genus of flowering plants in the sunflower family, containing the single species Brintonia discoidea. It is known commonly as the rayless mock goldenrod.[2][3] It is native to the southeastern United States, where it is distributed in Alabama, Florida, Georgia, Louisiana, and Mississippi.[2][4]
Brintonia discoidea is a perennial herb growing up to 1.5 meters tall from a thick rhizome. The erect, unbranched stem is lightly hairy. The alternately arranged leaves have rough-haired serrated blades up to 10 centimeters long on winged petioles. The inflorescence is a wide array of several flower heads. Each head contains up to 20 disc florets with bright green tubes and whitish or pinkish corollas and pinkish anthers. The fruit is a ribbed cypsela with a pappus of many white or purple-tipped bristles.[2]
The plant occurs on the Gulf Coastal Plain in sandy, swampy habitat.[3]
It is sometimes still treated as a species of Solidago,[5] but DNA evidence and several aspects of its morphology support its separation from that genus.[6]
References
- ^ The Plant List Brintonia discoidea (Elliott) Greene
- ^ a b c Brintonia discoidea. Flora of North America.
- ^ a b Brintonia. Astereae Lab. University of Waterloo.
- ^ Biota of North America Program 2014 county distribution map
- ^ Solidago discoidea. NatureServe. 2013.
- ^ Brintonia. Flora of North America.
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