View source for Carex formosa

{{Treatment/ID
|accepted_name=Carex formosa
|accepted_authority=Dewey
|publications={{Treatment/Publication
|title=Amer. J. Sci. Arts
|place=8: 98. 1824
|year=1824
}}
|common_names=Handsome sedge;carex joli
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Carex;Carex sect. Hymenochlaenae;Carex formosa
|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. Hymenochlaenae]]</div><div class="higher-taxon"><small>species</small>[[Carex formosa]]</div></div>
|volume=Volume 23
|mention_page=page 463, 464
|treatment_page=page 465
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>densely cespitose. <b>Culms</b> dark maroon at base; flowering stems 0.5–1 mm thick, 30–80 cm, longer than leaves at maturity, glabrous but scabrous on angles within inflorescence. <b>Leaves</b>: basal sheaths maroon, bladeless, pubescent, sometimes glabrous, others grading from marooon to green on back, white-hyaline, red dotted, and pilose on front; blades flat, 3–7 mm wide, glabrous on adaxial surface, pilose on abaxial surface and margins. <b>Inflorescences</b>: ; peduncles of lateral spikes slender, to 10 cm, usually much longer than spikes, pubescent; of terminal spikes 25–50 mm, pubescent; proximal bracts nearly equaling but usually not exceeding inflorescences; sheaths 35–85 mm; blades 2.5–4.5 mm wide. <b>Lateral</b> spikes 2–4, 1 per node, well separated, drooping at maturity, pistillate except for 1 or 2 basal staminate flowers in each, with 8–25 perigynia per spike attached 1 mm apart, cylindric, 15–25 × 4–6 mm. <b>Terminal</b> spike gynecandrous, 15–30 × 5–6 mm in distal pistillate portion, 1.5–2 mm wide in proximal staminate portion. <b>Pistillate</b> scales pale hyaline tinged with chestnut brown, broad green midrib red dotted, ovate, shorter than mature perigynia, apex acute to cuspidate, awn less than 1 mm, glabrous. <b>Perigynia</b> green, copiously red dotted, 2-ribbed with 7–12 fine veins on each face, loosely enveloping achene, ovoid-ellipsoid, 3.5–5 × 1.7–2 mm, membranous, base with short stipe, apex narrowing to abrupt beak, glabrous; beak minutely bidentate, less than 0.5 mm. <b>Achenes</b> substipitate, 2–2.5 × 1.4–1.5 mm.</span><!--

-->{{Treatment/Body
|phenology=Fruiting early–mid summer.
|habitat=Mesic to dry deciduous forests and ravines, moist meadows, usually associated with calcareous soils
|distribution=Ont.;Que.;Conn.;Ill.;Iowa;Mass.;Mich.;Minn.;N.Y.;N.Dak.;Ohio;Vt.;Wis.
|discussion=<p><i>Carex formosa</i> appears to be confined to areas with calcareous soils making it uncommon and sparsely distributed throughout its range, although some populations are quite large.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Carex formosa
|authority=Dewey
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Cyperaceae
|phenology=Fruiting early–mid summer.
|habitat=Mesic to dry deciduous forests and ravines, moist meadows, usually associated with calcareous soils
|distribution=Ont.;Que.;Conn.;Ill.;Iowa;Mass.;Mich.;Minn.;N.Y.;N.Dak.;Ohio;Vt.;Wis.
|reference=None
|publication title=Amer. J. Sci. Arts
|publication year=1824
|special status=Illustrated;Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_852.xml
|genus=Carex
|section=Carex sect. Hymenochlaenae
|species=Carex formosa
}}<!--

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