Carex hirsutella

Mackenzie

Bull. Torrey Bot. Club 50: 349. 1923.

Common names: Carex hirsute
IllustratedEndemic
Basionym: Carex hirsuta Willdenow Sp. Pl. 4(1): 252. 1805,
Synonyms: Carex complanata var. hirsuta (L. H. Bailey) Gleason
Treatment appears in FNA Volume 23. Treatment on page 484. Mentioned on page 465, 466, 482, 483.

Culms 20–90 cm, pilose. Leaves: ligules shorter than wide; blades 1.5–4 mm wide, pilose on both surfaces. Inflorescences: lateral spikes 8–18 × 3–5.5 mm, usually crowded; terminal spike gynecandrous, at least 1/2 of flowers pistillate, 10–20 (–25) mm. Pistillate scales ovate, 1.8–2.5 × 0.7–1.3 mm, apex obtuse, sometimes mucronate, shorter than perigynia. Staminate scales ovate to lanceolate, 2.1–5.2 mm, apex acuminate. Anthers 1.3–2.2 mm. Perigynia ascending, weakly 9–18-veined, obovate-circular, ± trigonous in cross-section, 2–3 × 1.1–1.6 mm, not papillose, glabrous; beak absent. Achenes 1.6–2.1 (–2.6) × 0.8–1.3 mm. 2n = 52.


Phenology: Fruiting late spring–early summer.
Habitat: Meadows, dry to mesic woods, neutral to basic soils
Elevation: 100–500 m

Distribution

V23 891-distribution-map.jpg

Ont., Que., Ala., Ark., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Vt., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Carex hirsutella"
0.21 cm2.1 mm <br />0.0021 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
trigonous +
0.8mm;1.3mm +
stipitate +, veinless +  and veined +
elliptic +  and broadly obovate rounded-trigonous +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
, +  and beakless +
pubescent +  and glabrous +
Peter W. Ball +
Mackenzie +
shortened +
tapering +  and rounded +
Carex hirsuta +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
v--shaped +
1.5mm;4mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
Carex hirsute +
round +  and trigonous +
20 cm200 mm <br />0.2 m <br /> (90 cm900 mm <br />0.9 m <br />) +
Ont. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, S.C. +, Tenn. +, Tex. +, Vt. +, Va. +  and W.Va. +
100–500 m +
hypogynous +  and subtending +
biconvex +  and trigonous +
Meadows, dry to mesic woods, neutral to basic soils +
prophyllate +, pedunculate +  and pistillate +
0.8 cm8 mm <br />0.008 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
subentire +  and entire +
with (1-)3-6(-30) bristles and/or scales +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
not papillose +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
Fruiting late spring–early summer. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
Bull. Torrey Bot. Club +
adventitious +
staminate +  and pistillate +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
basal +  and proximal +
ovate;lanceolate +
0.21 cm2.1 mm <br />0.0021 m <br /> (0.52 cm5.2 mm <br />0.0052 m <br />) +
0.7mm;1.3mm +
cylindric +
Illustrated +  and Endemic +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex complanata var. hirsuta +
Carex hirsutella +
Carex sect. Porocystis +
species +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
plant +  and cespitose +