Carex halliana

L. H. Bailey

Bot. Gaz. 9: 117. 1884.

IllustratedEndemic
Synonyms: Carex oregonensis Olney ex L. H. Bailey
Treatment appears in FNA Volume 23. Treatment on page 495. Mentioned on page 492, 496.

Plants colonial; rhizomes long-creeping. Culms central, trigonous, 10–40 (–50) cm, smooth, base with remains of previous year’s leaves. Leaves: basal sheaths straw colored to dark-brown, the youngest tinged reddish purple, apex of inner band glabrous; ligules 0.8-1.6 mm; blades M-shaped distally, channeled proximally; 2–5.5 mm wide, glabrous. Inflorescences 8–25 cm; peduncle of terminal spike 0.7–3 cm; proximal 2–4 spikes pistillate or, sometimes, androgynous, erect; terminal 1–3 spikes staminate. Pistillate scales ovate, apex otuse to acute, glabrous or scabrous-margined apically. Perigynia ascending, 12–20-veined, ovoid, 3.5–5.5 × 1.6–2.2 mm, pubescent; beak hyaline, 1.2–1.7 mm, ciliate, bidentulate, teeth straight, 0.2–0.6 mm.


Phenology: Fruiting Jun–Sep.
Habitat: Dry, sandy, gravelly or rocky meadows, shores, other open habitats
Elevation: 1400–2000 m

Discussion

Selected References

None.

Lower Taxa

None.

"lengthofbody" is not declared as a valid unit of measurement for this property.

... more about "Carex halliana"
trigonous +
smaller +
scabrous-margined +
A. A. Reznicek +  and Paul M. Catling +
L. H. Bailey +
shortened +
tinged reddish;straw colored;dark-brown +
rounded +
bidentulate +
straight +
emarginate +  and bidentate +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
channeled +  and m--shaped +
0mm;20mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
involute +  and channeled +
red tinged +
trigonous +
10 cm100 mm <br />0.1 m <br /> (40 cm400 mm <br />0.4 m <br />) +
with awn +  and acuminate +
Calif. +, Oreg. +  and Wash. +
1400–2000 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Dry, sandy, gravelly or rocky meadows, shores, other open habitats +
8 cm80 mm <br />0.08 m <br /> (25 cm250 mm <br />0.25 m <br />) +
staminate +, prophyllate +, pedunculate +  and pistillate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
septate-nodulose +
0.2 cm2 mm <br />0.002 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Fruiting Jun–Sep. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
adventitious +
basal +  and proximal +
ladder-fibrillose +
shorter or longer +
septate-nodulose +
0 cm0 mm <br />0 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Illustrated +  and Endemic +
staminate +, , +  and pistillate +
0.7 cm7 mm <br />0.007 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +  and persistent +
2-3(-4)-fid +
Carex oregonensis +
Carex halliana +
Carex sect. Paludosae +
species +
straight +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
plant +  and colonial +