Carex bolanderi

Olney

Proc. Amer. Acad. Arts 7: 393. 1868.

Illustrated
Synonyms: Carex deweyana var. bolanderi (Olney) W. Boott
Treatment appears in FNA Volume 23. Mentioned on page 323.

Plants densely to loosely cespitose. Culms 31–115 cm × 0.9–2 mm, smooth, serrulate, or scabriduous at mid height. Leaves: ligule of distal leaf (2–) 3.5–7.1 mm, 2–3.9 times as long as wide; blades 1.8–5.9 mm wide, widest blade 2.3–5.9 mm wide. Inflorescences (33–) 40–89 (–103) mm; proximal internode 6–32 mm; proximal bracts 14–43 mm, awn 10–39 mm; spikes 5–9, usually gynecandrous; proximal spikes usually with 1–4 staminate and (14–) 18–31 (–40) pistillate flowers, 12–22 (–25) × 3.9–6.5 mm; terminal spikes usually with 1–5 staminate and 14–28 pistillate flowers, 9.6–16 × 3.4–6.2 mm. Pistillate scales with whitish to castaneous margins, (2.2–) 2.5–4.1 × 1.4–2 mm, body 2.2–2.9 (–3.1) mm, apex acuminate to short-awned to 1.5 mm. Staminate scales with whitish to castaneous margins, 3.1–4.3 × 1–1.5 mm, apex acute to short-awned. Anthers 1.3–1.8 mm. Perigynia erect to appressed-erect, green to brown, prominently to weakly 3–7-veined abaxially, prominently to weakly 0–3 (–6) -veined adaxially, narrowly lanceolate, 3.4–5.2 × 1.1–1.4 mm, 2.9–4 times as long as wide, apex abruptly contracted to gradually tapering; beak 1.5–2.5 mm, 0.4–0.53 times as long as perigynia, margins serrulate, apex bidentulate, teeth (0.2–) 0.3–1 mm, (0.06–) 0.09–0.2 times as long as perigynia. Stigmas 1.8–2.5 mm. Achenes 1.5–2.1 × 0.9–1.3 mm, 1.3–1.8 times as long as wide.


Phenology: Fruiting spring–summer.
Habitat: Mesic to wet forests, forest edges, especially near streams
Elevation: 30–2500 m

Distribution

V23 571-distribution-map.jpg

B.C., Ariz., Calif., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Mexico (Chihuahua), Mexico (Durango)

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Carex bolanderi"
0.15 cm1.5 mm <br />0.0015 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
planoconvex;biconvex +
0.9mm;1.3mm +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
bidentulate +
0 cm0 mm <br />0 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Robert F. C. Naczi +
1 cm10 mm <br />0.01 m <br /> (3.9 cm39 mm <br />0.039 m <br />) +
shortened +
cuneate +  and rounded +
Deweyanae +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
0.4-0.53 times as long as perigynia +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
v--shaped +  and flat +
1.8mm;5.9mm +
0.29 cm2.9 mm <br />0.0029 m <br /> (0.31 cm3.1 mm <br />0.0031 m <br />) +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.29 cm2.9 mm <br />0.0029 m <br />) +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
green;hyaline +
31 cm310 mm <br />0.31 m <br /> (115 cm1,150 mm <br />1.15 m <br />) +
round +  and trigonous +
0.9mm;2mm +
B.C. +, Ariz. +, Calif. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Utah +, Wash. +, Mexico (Chihuahua) +  and Mexico (Durango) +
30–2500 m +
pistillate +  and staminate +
hypogynous +  and subtending +
14 +  and 28 +
biconvex +  and trigonous +
Mesic to wet forests, forest edges, especially near streams +
8.9 cm89 mm <br />0.089 m <br /> (10.3 cm103 mm <br />0.103 m <br />) +
4 cm40 mm <br />0.04 m <br /> (8.9 cm89 mm <br />0.089 m <br />) +
sessile +, staminate +  and pistillate +
androgynous +  and gynecandrous +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.71 cm7.1 mm <br />0.0071 m <br />) +
whitish +  and castaneous +
with (1-)3-6(-30) bristles and/or scales +
0-3(-6)-veined +  and 3-7-veined +
green +  and brown +
0.34 cm3.4 mm <br />0.0034 m <br /> (0.52 cm5.2 mm <br />0.0052 m <br />) +
erect +  and appressed-erect +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
Fruiting spring–summer. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
1.4 cm14 mm <br />0.014 m <br /> (4.3 cm43 mm <br />0.043 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
2.2 cm22 mm <br />0.022 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
0.39 cm3.9 mm <br />0.0039 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
Proc. Amer. Acad. Arts +
adventitious +
staminate +  and pistillate +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
whitish +  and castaneous +
0.31 cm3.1 mm <br />0.0031 m <br /> (0.43 cm4.3 mm <br />0.0043 m <br />) +
basal +  and proximal +
2-keeled +
1mm;1.5mm +
cylindric +
Illustrated +
gynecandrous +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
deciduous +
2-3(-4)-fid +
enlarged +
Carex deweyana var. bolanderi +
Carex bolanderi +
Carex sect. Deweyanae +
species +
0.34 cm3.4 mm <br />0.0034 m <br /> (0.62 cm6.2 mm <br />0.0062 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
plant +  and cespitose +
2.3mm +  and 5.9mm +