Scleria verticillata Muhl. ex Willd.

low nutsedge

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

Low nutsedge is an annual nutsedge, with a range covering the eastern half of the United States, although it does not extend into New England, except for a single record in Connecticut, where it was collected in a grassy marsh over high-pH bedrock.

Habitat

Marshes, swamps

Characteristics

Habitat
  • aquatic
  • wetlands
New England state
Connecticut
Stem shape in cross-section
the stem is roughly triangular in cross-section
Leaf blade width
0.5–2 mm
Leaf blade cross-section
  • the leaf blade is elliptic or circular in cross-section
  • the leaf blade is flat or rolled in at the edges
Inflorescence position
the inflorescence is at the tip of the plant
Inflorescence branching
the inflorescence is on one or more stems with no branches
Fruit type (general)
the fruit is like a seed, and surrounded by scales
Fruit length
1–1.9 mm
Leaf position on plant
some leaf attachment points are above the midpoint of the stem
Perianth composition
there is no perianth on the plant
Fruit cross-section
the fruit is triangular to terete (circular) in cross-section
Show All Characteristics
  • Flowers
    Anther length
    2–4 mm
    Floral bristle color
    NA
    Floral bristle number
    0
    Floral bristle relative length
    NA
    Floral bristles
    NA
    Floral scale hairs
    there are no hairs on the floral scales
    Floral scale shape
    • the floral scales are lanceolate (widest below the middle, and tapering at both ends)
    • the floral scales are oblong (rectangular but with rounded ends)
    Floral scale translucent
    the floral scales are opaque
    Inflorescence bract angle
    the bracts are vertical or angled only slightly outwards
    Inflorescence bract number
    there are two to five bracts per inflorescence
    Inflorescence bract position (Sparganium)
    NA
    Inflorescence bracts
    there are at least two bracts, and they are either flat or folded or rolled in at the edges
    Inflorescence branching
    the inflorescence is on one or more stems with no branches
    Inflorescence crowding
    the inflorescence is crowded together in one tight cluster
    Inflorescence position
    the inflorescence is at the tip of the plant
    Inflorescence shape
    the aggregations within the inflorescence are roughly circular (not flattened) in cross-section
    Inflorescence type
    there is one spike or raceme at the tip of the stem
    Perianth composition
    there is no perianth on the plant
    Stamen number
    • 1
    • 2
    • 3
    Stigma number
    • 2
    • 3
    Style division
    the top two thirds of the style is divided
    floral bristle barbs
    NA
  • Fruits or seeds
    Achene surface texture
    the achene has tiny wrinkles that run cross-wise across the achene
    Achene tubercle relative width
    NA
    Achene tubercle width
    0 mm
    Capsule relative length
    NA
    Fruit cross-section
    the fruit is triangular to terete (circular) in cross-section
    Fruit length
    1–1.9 mm
    Fruit type (general)
    the fruit is like a seed, and surrounded by scales
    Fruit type (specific)
    the fruit is an achene (dry, seed-like fruit) without a tubercle (a swelling or projection, usually of a different color or texture)
    Locules in capsule
    NA
    Seed length
    0 mm
    Seed tail relative length
    0 mm
    Seed tails
    NA
    Tubercle height
    0 mm
  • Growth form
    Lifespan
    the plant lives only a single year or less
    Rhizome thickness
    0 mm
    Underground organs
    there are only slender roots on the plant
  • Leaves
    Auricle length
    0 mm
    Auricle texture
    NA
    Auricles
    there are no auricles on the leaf sheath
    Leaf blade cross-section
    • the leaf blade is elliptic or circular in cross-section
    • the leaf blade is flat or rolled in at the edges
    Leaf blade length
    Up to 150 mm
    Leaf blade width
    0.5–2 mm
    Leaf form
    all the leaves hold their form out of water
    Leaf position on plant
    some leaf attachment points are above the midpoint of the stem
    Leaf septa
    the leaf blades do not have transverse septa
    Leaf sheath hairs
    the leaf sheathes have hairs on them
    Pedicel length (Typha)
    0 mm
    Stem leaf blade ligules
    the plant has ligules at the leaf blade bases
    Stem leaf blades
    there are fully-developed leaves with leaf blades on the main stem
    Width of seed-producing inflorescence
    3–7 mm
  • Place
    Habitat
    • aquatic
    • wetlands
    New England state
    Connecticut
    Specific habitat
    • marshes
    • swamps
  • Stem, shoot, branch
    Plant height
    7–60 cm
    Stem shape in cross-section
    the stem is roughly triangular in cross-section
    Stem texture near tip
    the stem feels smooth near the tip

Wetland Status

Occurs only in wetlands. (Wetland indicator code: OBL)

New England Distribution and Conservation Status

Distribution

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

Conservation Status

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

Connecticut
historical (S-rank: SH), special concern, extirpated (code: SC*)

Native to North America?

Yes

Family

Cyperaceae

Genus

Scleria

Need Help?

Get Help

Information from Dichotomous Key of Flora Novae Angliae

4.  Scleria verticillata Muhl. ex Willd. NC

low nutsedge. CT. Swamps and graminoid marshes in regions of high-pH bedrock.