Difference between revisions of "Isoëtes butleri"
Bot. Gaz. 3: 1. 1878.
Common names: Butler's quillwort
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>terrestrial. <b>Rootstock</b> nearly globose, 2-lobed. <b>Leaves</b> deciduous, dull green to gray-green or yellow green, pale toward base, spirally arranged, to 15(–30) cm, pliant, tapering gradually to tip. <b>Velum</b> covering less than 1/4 of sporangium. <b>Sporangium</b> wall ± brown-streaked. <b>Megaspores</b> white, (360–)480–650 μm diam., obscurely tuberculate; girdle obscure. <b>Microspores</b> light brown in mass, 27–37 μm, papillose. <b>2n</b> = 22.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| + | |phenology=Spores mature in late spring. | ||
|habitat=Calcareous soil, limestone cedar glades, barrens | |habitat=Calcareous soil, limestone cedar glades, barrens | ||
|distribution=Ala.;Ark.;Ga.;Ill.;Kans.;Ky.;Mo.;Okla.;Tenn.;Tex. | |distribution=Ala.;Ark.;Ga.;Ill.;Kans.;Ky.;Mo.;Okla.;Tenn.;Tex. | ||
| − | |discussion=<p>Population of Isoëtes butleri is locally abundant in open areas on alkaline soils saturated by water from early spring rains. The leaves yellow, wither, and disappear by late spring.</p> | + | |discussion=<p>Population of <i>Isoëtes butleri</i> is locally abundant in open areas on alkaline soils saturated by water from early spring rains. The leaves yellow, wither, and disappear by late spring.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Isoëtes butleri | name=Isoëtes butleri | ||
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|authority=Engelmann | |authority=Engelmann | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Isoëtaceae | |family=Isoëtaceae | ||
| + | |phenology=Spores mature in late spring. | ||
|habitat=Calcareous soil, limestone cedar glades, barrens | |habitat=Calcareous soil, limestone cedar glades, barrens | ||
|distribution=Ala.;Ark.;Ga.;Ill.;Kans.;Ky.;Mo.;Okla.;Tenn.;Tex. | |distribution=Ala.;Ark.;Ga.;Ill.;Kans.;Ky.;Mo.;Okla.;Tenn.;Tex. | ||
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|publication year=1878 | |publication year=1878 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_620.xml |
|genus=Isoëtes | |genus=Isoëtes | ||
|species=Isoëtes butleri | |species=Isoëtes butleri | ||
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-->[[Category:Treatment]][[Category:Isoëtes]] | -->[[Category:Treatment]][[Category:Isoëtes]] | ||
Latest revision as of 21:24, 5 November 2020
Plants terrestrial. Rootstock nearly globose, 2-lobed. Leaves deciduous, dull green to gray-green or yellow green, pale toward base, spirally arranged, to 15(–30) cm, pliant, tapering gradually to tip. Velum covering less than 1/4 of sporangium. Sporangium wall ± brown-streaked. Megaspores white, (360–)480–650 μm diam., obscurely tuberculate; girdle obscure. Microspores light brown in mass, 27–37 μm, papillose. 2n = 22.
Phenology: Spores mature in late spring.
Habitat: Calcareous soil, limestone cedar glades, barrens
Distribution
Ala., Ark., Ga., Ill., Kans., Ky., Mo., Okla., Tenn., Tex.
Discussion
Population of Isoëtes butleri is locally abundant in open areas on alkaline soils saturated by water from early spring rains. The leaves yellow, wither, and disappear by late spring.
Selected References
None.
Lower Taxa
None.