Carex blanda Dewey

eastern woodland sedge

Copyright: various copyright holders. To reuse an image, please click it to see who you will need to contact.

New England Distribution

Adapted from BONAP data

Found this plant? Take a photo and post a sighting.

North America Distribution

Adapted from BONAP data

enlarge

Facts About

Eastern woodland sedge is common and widespread and can become weedy.

Habitat

Forests

Characteristics

Habitat
terrestrial
New England state
  • Connecticut
  • Maine
  • Massachusetts
  • New Hampshire
  • Rhode Island
  • Vermont
stem leaf blade width
0.8–8 mm
Lowest bract sheath
the lowest bract has a sheath longer than four millimeters
Spike on stalk
  • the lowest spike on the plant has a peduncle
  • the lowest spike on the plant is not borne on a peduncle
Top spike
the uppermost spike contains only staminate flowers
Perigynium hairs
the perigynium has no hairs
Perigynium length
2.5–4.1 mm
Leaf sheath color
the leaf sheath has no pink, red or purple tinting
Leaf blade texture
the leaf blade is smooth and hairless, or rough and sandpapery
Perigynium beak teeth
the perigynium beak is not divided at the tip into two teeth, or the teeth are very tiny
Show All Characteristics
  • Flowers
    Anther length
    2–2.2 mm
    Bumps on fruit
    there are no papillae on the perigynium surface
    Distance between perigynia
    0.9–2.4 mm
    Length of scale
    the scale is shorter than the perigynium
    Lowest spike length
    15–18 mm
    Lowest spike stalk length
    0 mm
    Lowest spike width
    3–4 mm
    Perigynium beak
    the perigynium has a beak
    Perigynium beak length
    0.2–0.5 mm
    Perigynium beak orientation
    the beak of the perigynium is curved, or angled out from the perigynium
    Perigynium beak serrations
    the perigynium beak has no serrations
    Perigynium beak teeth
    the perigynium beak is not divided at the tip into two teeth, or the teeth are very tiny
    Perigynium beak teeth length
    0 mm
    Perigynium color
    brown
    Perigynium cross-section
    • the perigynium is relatively round in cross-section
    • the perigynium is trigonous (triangular) in cross-section
    Perigynium hairs
    the perigynium has no hairs
    Perigynium length
    2.5–4.1 mm
    Perigynium nerve number
    22–39
    Perigynium nerve texture
    the nerves on the perigynium are raised, even after drying the perigynium
    Perigynium nerves lower side
    11–19
    Perigynium nerves upper side
    11–19
    Perigynium orientation
    • the perigynia are angled outwards
    • the perigynia are oriented vertically or pressed against the axis or adjacent perigynia
    Perigynium puffy
    the perigynium is inflated (there is space between the perigynium and the achene)
    Perigynium shape
    • the perigynium body is elliptic (widest near the middle and tapering at both ends)
    • the perigynium body is obovate (egg-shaped, but with the widest point above the middle of the leaf blade)
    Perigynium width
    1.3–2.2 mm
    Perigynium winged
    the perigynium has no wings
    Pollen- and seed-producing spikes
    some of the spikes produce perigynia
    Pollen-producing spike length
    9–20 mm
    Pollen-producing spike number
    1
    Pollen-producing spike peduncle length
    0–17 mm
    Pollen-producing spike width
    1.8–2.4 mm
    Scale awn
    the carpellate scale has an awn on it
    Scale awn texture
    the carpellate scale awn has tiny teeth
    Scale color
    • green
    • white or translucent
    Scale length
    2.8–3 mm
    Scale tip
    the carpellate scale tip is rounded to retuse (blunt or rounded, with a notch at the tip)
    Spike on stalk
    • the lowest spike on the plant has a peduncle
    • the lowest spike on the plant is not borne on a peduncle
    Spike orientation
    the spikes are oriented vertically or pressed against the axis
    Spikes per stem
    2-15
    Staminate scale tip
    • the staminate scale tip is acuminate (tapered to a narrow point)
    • the staminate scale tip is acute (has a sharp point)
    Stigma branching
    the stigmas have three branches
    Top spike
    the uppermost spike contains only staminate flowers
  • Fruits or seeds
    Achene dimples
    the achene has no folds or dimples
    Achene length
    2.1–3.2 mm
    Achene width
    0.8–1.8 mm
    Style persistence
    the style falls off the mature achenes
  • Growth form
    Rhizomes
    there are no rhizomes, or the rhizomes are very short
  • Leaves
    Leaf arrangement
    • the leaves are all produced from the base of the plant
    • the leaves are mostly produced higher up on the plant
    Leaf blade cross-section
    • The leaf blade is folded lengthwise, with one prominent midvien
    • the leaf blade is flat or M-shaped, with two prominent side-veins
    Leaf blade length to width ratio
    36–140
    Leaf blade texture
    the leaf blade is smooth and hairless, or rough and sandpapery
    Leaf bumps
    the upper surface of the leaf blade does not have papillae
    Leaf sheath bumps
    there are no papillae at the top edge of the leaf sheath
    Leaf sheath color
    the leaf sheath has no pink, red or purple tinting
    Leaf sheath dots
    there are no dots on the leaf sheathes
    Leaf sheath folds
    there are no corrugations on the leaf sheath
    Leaf sheath texture
    the leaf sheath feels smooth, and has no hairs
    Lowest bract sheath
    the lowest bract has a sheath longer than four millimeters
    Lowest leaf blade width
    1–10 mm
    Lowest leaf sheath texture
    the leaf sheath feels smooth (it may have soft hairs)
    stem leaf blade width
    0.8–8 mm
  • Place
    Habitat
    terrestrial
    New England state
    • Connecticut
    • Maine
    • Massachusetts
    • New Hampshire
    • Rhode Island
    • Vermont
    Specific habitat
    forests
  • Stem, shoot, branch
    Plant height
    14–53 cm
    Relative stem height
    • the main stem is equal to or shorter than the leaves
    • the main stem is taller than the leaves
    Stem cross-section
    • the main stem has all three edges raised to narrow wing-like ridges
    • the main stem is roughly triangular in cross-section
    Stem spacing
    the stems grow close together in compact clusters or tufts

Wetland Status

Occurs in wetlands or non-wetlands. (Wetland indicator code: FAC)

New England Distribution and Conservation Status

Distribution

Connecticut
present
Maine
present
Massachusetts
present
New Hampshire
present
Rhode Island
present
Vermont
present

Conservation Status

Exact status definitions can vary from state to state. For details, please check with your state.

Massachusetts
unranked (S-rank: SNR)

Native to North America?

Yes

Sometimes Confused With

Carex styloflexa:
perigynia tapering to a straight or merely outcurved beak 0.5–1.7 mm long and staminate scales 3.2–4.2 x 1–1.2 mm (vs. C. blanda, with perigynia abruptly tapering to a short, bent beak 0.2–0.5 mm long, and staminate scales 1.8–3.2 x 1.4–1.8 mm).
Carex leptonervia:
perigynia with only 2 prominent veins/ribs (vs. C. blanda, with perigynia with 22-39 distinct veins).

Synonyms

  • Carex laxiflora var. blanda (Dewey) Boott

Family

Cyperaceae

Genus

Carex

Need Help?

Get Help

Information from Dichotomous Key of Flora Novae Angliae

96.  Carex blanda Dewey N

eastern woodland sedge. Carex laxiflora Lam. var. blanda (Dewey) Boott • CT, MA, ME, NH, RI, VT. Deciduous or evergreen-deciduous forests.