View source for Carex tribuloides

{{Treatment/ID
|accepted_name=Carex tribuloides
|accepted_authority=Wahlenberg
|publications={{Treatment/Publication
|title=Kongl. Vetensk. Acad. Nya Handl.
|place=24: 145. 1803
|year=1803
}}
|common_names=Carex tribuloïde
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Carex;Carex sect. Ovales;Carex tribuloides
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Carex]]</div><div class="higher-taxon"><small>section</small>[[Carex sect. Ovales]]</div><div class="higher-taxon"><small>species</small>[[Carex tribuloides]]</div></div>
|volume=Volume 23
|mention_page=page 364
|treatment_page=page 363
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>densely cespitose. <b>Culms</b> 50–110 cm; vegetative culms with numerous leaves spaced evenly along distal 1/2. <b>Leaves</b>: sheaths adaxially green-veined nearly to collar, with ± triangular white-hyaline area to 3–8 mm proximal to collar, somewhat loose, expanded near summits, ± wing-angled, adaxially firm, summits U-shaped, somewhat thickened, slightly prolonged beyond collar; distal ligules 4–8(–12) mm; blades 4–10 per fertile culm, 15–40 cm × (2–)3–7 mm. <b>Inflorescences</b> erect, dense distally, brown, 2–5(–8) cm × 10–20 mm; proximal internode 2–20 mm; 2d internode 2–13 mm; proximal bracts bristlelike, 1(–8) cm. <b>Spikes</b> 6–15, overlapping or distinct, ovoid-oblong to globose, 6–12(–16) × 4–8 mm, base rounded to tapered, apex rounded. <b>Pistillate</b> scales white-hyaline or pale silvery brown with green midstripe, lanceolate, (1.9–)2.5–3 mm, 1/2 length of and narrower than perigynia, apex acute to acuminate. <b>Perigynia</b> more than (30–)40 per spike, appressed-ascending to ascending, pale green to pale brown, 3–6-veined abaxially, conspicuously or, occasionally, faintly, 2–4-veined adaxially, often somewhat asymmetric, ovate-lanceolate to ovate-elliptic, plano-convex, 3–5.4 × 1.1–1.7 mm, 0.3–0.5 mm thick, margin flat, including wing 0.1–0.5 mm wide; beak tip flat, ciliate-serrulate, abaxial suture with golden to dark brown hyaline margin, distance from beak tip to achene 1.4–2 mm. <b>Achenes</b> oblong-ovate, 1–1.8 × 0.6–0.9 mm, 0.3–0.5 mm thick. <b>2n</b> = 70.</span><!--

-->{{Treatment/Body
|distribution=North America;Mexico (Veracruz).
|discussion=<p>Varieties 2 (2 in the flora).</p><!--
--><p>See note under 146. <i>Carex longii</i>.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Perigynia 3–5 times as long as wide.
|[[Carex tribuloides var. tribuloides|Carex tribuloides var. tribuloides]]
|-id=key-0-1
|1
|Perigynia 2.2–2.8(–3) times as long as wide.
|[[Carex tribuloides var. sangamonensis|Carex tribuloides var. sangamonensis]]
|}
</div></div><!--

-->{{#Taxon:
name=Carex tribuloides
|authority=Wahlenberg
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Cyperaceae
|distribution=North America;Mexico (Veracruz).
|reference=None
|publication title=Kongl. Vetensk. Acad. Nya Handl.
|publication year=1803
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_636.xml
|genus=Carex
|section=Carex sect. Ovales
|species=Carex tribuloides
}}<!--

-->[[Category:Treatment]][[Category:Carex sect. Ovales]]