Carex bushii

Mackenzie

Bull. Torrey Bot. Club 37: 241. 1910.

IllustratedEndemic
Synonyms: Carex caroliniana var. cuspidata (Dewey) Shinners
Treatment appears in FNA Volume 23. Treatment on page 484. Mentioned on page 482, 483.

Culms 30–90 cm, sparsely pilose. Leaves: sheaths pilose; ligules as long as or slightly longer than wide; blades 1.5–4 mm wide, pilose. Inflorescences: terminal spike gynecandrous, at least 1/2 of flowers pistillate, 12–22 mm; lateral spikes usually crowded, 6–16 × 4.5–11 mm. Pistillate scales lanceolate, 2.5–3.5 (–5) × 1.1–1.5 (–1.7) mm, exceeding perigynia, apex acuminate, at least proximal scale with awn 0.5–2 mm. Staminate scales lanceolate, 3.2–5.2 mm, apex acuminate, often awned. Anthers 2–3 mm. Perigynia spreading, 9–13-veined, obovate-circular, circular in cross-section, 2.5–4 × 1.4–2.1 mm, papillose, pubescent; beak absent. Achenes 2–2.6 × (1.1–) 1.4–1.7 mm. 2n = 64.


Phenology: Fruiting late spring–early summer.
Habitat: Dry to mesic grasslands, forest margins
Elevation: 0–500 m

Distribution

V23 894-distribution-map.jpg

Ark., Conn., Del., D.C., Ga., Ill., Ind., Kans., Md., Mass., Mich., Miss., Mo., Nebr., N.J., N.Y., N.C., Okla., Pa., R.I., Tenn., Tex., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Carex bushii"
0.11 cm1.1 mm <br />0.0011 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
trigonous +
1.4mm;1.7mm +
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 />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
, +  and beakless +
pubescent +  and glabrous +
Peter W. Ball +
Mackenzie +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
shortened +
tapering +  and rounded +
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 +
round +  and trigonous +
30 cm300 mm <br />0.3 m <br /> (90 cm900 mm <br />0.9 m <br />) +
Ark. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Kans. +, Md. +, Mass. +, Mich. +, Miss. +, Mo. +, Nebr. +, N.J. +, N.Y. +, N.C. +, Okla. +, Pa. +, R.I. +, Tenn. +, Tex. +, Va. +  and W.Va. +
0–500 m +
hypogynous +  and subtending +
biconvex +  and trigonous +
Dry to mesic grasslands, forest margins +
prophyllate +, pedunculate +  and pistillate +
0.6 cm6 mm <br />0.006 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
slightly longer than wide +
subentire +  and entire +
with (1-)3-6(-30) bristles and/or scales +
circular +  and obovate-circular +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
Fruiting late spring–early summer. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
Bull. Torrey Bot. Club +
adventitious +
staminate +  and pistillate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
lanceolate;lanceolate +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.52 cm5.2 mm <br />0.0052 m <br />) +
1.1mm;1.5mm +
cylindric +
Illustrated +  and Endemic +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex caroliniana var. cuspidata +
Carex bushii +
Carex sect. Porocystis +
species +
1.2 cm12 mm <br />0.012 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
plant +  and cespitose +