Carex deflexa Hornemann (Q57)
Carex deflexa is a taxon with the rank species within the section Carex sect. Acrocystis
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Carex deflexa Hornemann
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Carex deflexa is a taxon with the rank species within the section Carex sect. Acrocystis
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Statements
taxon/id/Carex deflexa Hornemann
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Carex deflexa Hornemann
Carex deflexa
Hornemann
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
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CA-AB
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CA-BC
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CA-MB
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CA-NB
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CA-NS
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CA-NT
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CA-ON
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CA-QC
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CA-SK
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CA-YT
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US-AK
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US-CA
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US-CO
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US-CT
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US-ID
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US-ME
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US-MA
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US-MI
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US-MT
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US-NH
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US-NY
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US-OR
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US-UT
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US-VT
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US-WV
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US-WA
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US-WI
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US-WY
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Plants usually loosely cespitose;
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rhizomes spreading to erect, purplish brown to reddish-brown, 0–10 mm, slender.
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Culms arching to spreading, 5–31 cm, smooth or scabrous distally;
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Leaf-blades pale green, shorter to longer than culms, 0.9–2.6 (–3.2) mm wide, herbaceous, glabrous abaxially, scabrous adaxially.
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Inflorescences with both staminate and pistillate spikes;
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peduncles of basal spikes slender, elongate, erect;
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peduncles of distal spikes 0.6–4 (–10) mm;
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proximal nonbasal bracts leaflike, equaling or exceeding inflorescences.
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Spikes: pistillate spikes 1–4 (basal spikes 0–2);
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cauline spikes overlapping, separated by less than 7 mm, with 4–15 perigynia;
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distal staminate spikes 3.1–11.3 × 0.7–2.7 mm.
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Scales: pistillate scales pale to dark reddish-brown, with narrow to broad white margins, ovate, 2–2.8 × 1–1.8 mm, shorter than perigynia, apex obutse, acute, or acuminate (cuspidate on some basal spikes);
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staminate scales ovate, 2.4–4 × 1–1.9 mm, apex acute to acuminate.
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Anthers 1.2–2.5 mm.
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Perigynia yellowish green to grayish green, veinless, globose to obovoid, 2.3–3.1 × 1–1.4 mm, as long as or longer than wide;
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beak often bent, pale green, occasionally with reddish-brown tinge, 0.4–0.8 mm, ciliate-serrulate, apical teeth 0.1–0.2 mm.
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Achenes brown, obovoid, obtusely trigonous in cross-section, 1.3–1.6 × 1–1.4 mm.
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