View source for Isoëtes orcuttii

{{Treatment/ID
|accepted_name=Isoëtes orcuttii
|accepted_authority=A. A. Eaton
|publications={{Treatment/Publication
|title=Fern Bull.
|place=8: 13. 1900
|year=1900
}}
|common_names=Orcutt's quillwort
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Isoëtes nuttallii var. orcuttii
|authority=(A. A. Eaton) Clute
}}
|hierarchy=Isoëtaceae;Isoëtes;Isoëtes orcuttii
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Isoëtaceae]]</div><div class="higher-taxon"><small>genus</small>[[Isoëtes]]</div><div class="higher-taxon"><small>species</small>[[Isoëtes orcuttii]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>becoming terrestrial. <b>Rootstock</b> nearly globose 2(–3)-lobed. <b>Leaves</b> deciduous, bright green, pale toward base, less than 8 cm, gradually tapering to tip, often surrounded at base by several black scales to ca. 5 mm, spirally arranged, pliant, gradually tapering to tip. <b>Velum</b> covering entire sporangium. <b>Sporangium</b> wall unpigmented. <b>Megaspores</b> white to gray, lustrous, 200–380 μm diam., ± smooth to obscurely tuberculate; girdle obscure. <b>Microspores</b> brown in mass, 20–30 μm, smooth to papillose. <b>2n</b> = 22.</span><!--

-->{{Treatment/Body
|phenology=Spores mature in spring.
|habitat=Vernal pools
|elevation=mostly 0–1500 m
|distribution=Calif.;Mexico in Baja California.
|discussion=<p>Isoëtes orcuttii, a vernal pool endemic, may be difficult to distinguish from I. nuttallii, which occurs in a wider range of habitats. Plants of I. orcuttii are generally smaller than those of I. nuttallii, which has longer, thicker, less flexible leaves and larger megaspores.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Isoëtes orcuttii
|author=
|authority=A. A. Eaton
|rank=species
|parent rank=genus
|synonyms=Isoëtes nuttallii var. orcuttii
|basionyms=
|family=Isoëtaceae
|phenology=Spores mature in spring.
|habitat=Vernal pools
|elevation=mostly 0–1500 m
|distribution=Calif.;Mexico in Baja California.
|reference=None
|publication title=Fern Bull.
|publication year=1900
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_430.xml
|genus=Isoëtes
|species=Isoëtes orcuttii
}}<!--

-->[[Category:Treatment]][[Category:Isoëtes]]