View source for Hesperostipa comata

{{Treatment/ID
|accepted_name=Hesperostipa comata
|accepted_authority=(Trin. & Rupr.) Barkworth
|publications=
|common_names=Needle-and-thread
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Stipa comata subsp. intonsa
|authority=
|rank=subspecies
}} {{Treatment/ID/Synonym
|name=Stipa comata
|authority=
|rank=species
}}
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Stipeae;Hesperostipa;Hesperostipa comata
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Pooideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Stipeae]]</div><div class="higher-taxon"><small>genus</small>[[Hesperostipa]]</div><div class="higher-taxon"><small>species</small>[[Hesperostipa comata]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 158
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Culms </b>12-110 cm; lower nodes glabrous or pubescent. <b>Lower</b> sheaths glabrous or pubescent, not ciliate; ligules of lower leaves 1-6.5 mm, scarious, usually acute, sometimes trun¬cate, often lacerate; ligules of upper leaves to 7 mm; blades 0.5-4 mm wide, usually involute. <b>Panicles</b> 10-32 cm, contracted. <b>Glumes</b> 16-35 mm, 3-5-veined; lower glumes 18-35 mm; upper glumes 1-3 mm shorter; florets 7-13 mm; calluses 2-4 mm; lemmas evenly pubescent, hairs about 1 mm, white, sometimes glabrous immediately above the callus; awns 65-225 mm, first 2 segments scabrous to strigose, hairs shorter than 1 mm, terminal segment scabridulous.</span><!--

-->{{Treatment/Body
|distribution=Wash.;Wis.;Wyo.;N.Mex.;Tex.;Ill.;Ind.;Kans.;N.Dak.;N.Y.;Okla.;R.I.;S.Dak.;Nev.;Colo.;Calif.;Nebr.;Mont.;Oreg.;Iowa;Ariz.;Idaho;Utah;Minn.;Mich.;Alta.;B.C.;Man.;Ont.;Sask.;Yukon
|discussion=<p><i>Hesperostipa comata</i> is found primarily in the cool deserts, grasslands, and pinyon-juniper forests of western North America. The two subspecies overlap geographically, but are only occasionally sympatric. Both are primarily cleistogamous.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Terminal awn segment 40-120 mm long, sinuous to curled at maturity; lower cauline nodes usually concealed by the sheaths; panicles often partially enclosed in the uppermost sheath at maturity
|[[Hesperostipa comata subsp. comata|Hesperostipa comata subsp. comata]]
|-id=key-0-1
|1
|Terminal awn segment 30-80 mm long, straight; lower cauline nodes usually exposed; panicles usually completely exserted at maturity
|[[Hesperostipa comata subsp. intermedia|Hesperostipa comata subsp. intermedia]]
|}
</div></div><!--

-->{{#Taxon:
name=Hesperostipa comata
|authority=(Trin. & Rupr.) Barkworth
|rank=species
|parent rank=genus
|synonyms=Stipa comata subsp. intonsa;Stipa comata
|basionyms=
|family=Poaceae
|illustrator=Cindy Roché;Annaliese Miller
|illustration copyright=Utah State University
|distribution=Wash.;Wis.;Wyo.;N.Mex.;Tex.;Ill.;Ind.;Kans.;N.Dak.;N.Y.;Okla.;R.I.;S.Dak.;Nev.;Colo.;Calif.;Nebr.;Mont.;Oreg.;Iowa;Ariz.;Idaho;Utah;Minn.;Mich.;Alta.;B.C.;Man.;Ont.;Sask.;Yukon
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V24/V24_217.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Stipeae
|genus=Hesperostipa
|species=Hesperostipa comata
}}<!--

-->[[Category:Treatment]][[Category:Hesperostipa]]