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NC Native Plant Society:
Plant Details

Chasmanthium laxum [= Uniola laxa]

Slender Spikegrass, Slender Wood-oats

Scientific Name:

Chasmanthium laxum [= Uniola laxa]

Genus:

Chasmanthium

Species Epithet:

laxum

Common Name:

Slender Spikegrass, Slender Wood-oats

Plant Type

Grass/Sedge/Rush

Life Cycle

Perennial

Plant Family

Poaceae (Grass Family)

Native/Alien:

NC Native

Invasive Status:

(*Key)

Size:

1-3 ft.

Light:

Sun - 6 or more hours of sun per day, Part Shade - 2 to 6 hours of sun per day, Less than 2 hours of sun per day

Soil Moisture:

Moist, Wet

Bloom Time:

June, July, August, September, October

Growing Area:

Mountains, Piedmont, Sandhills, Coastal Plain

Habitat Description:

Savanna-pocosin ecotones, sandhill-pocosin ecotones, moist hardwood swamps, other moist habitats. Rare in NC mountains, common in piedmont and coastal plain.

Leaf Arrangement:

Alternate, Basal

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Simple

Life Cycle:

Perennial

Wildlife Value:

Has some wildlife value

Landscape Value:

Suitable for home landscapes

State Rank:

S4: Apparently secure (*Key)

Global Rank:

G5 - Secure (*Key)

Grows in patches from short horizontal rhizomes.

At Strieby Woods, after a controlled burn; Randolph Co., NC

The Scientific Name is Chasmanthium laxum [= Uniola laxa]. You will likely hear them called Slender Spikegrass, Slender Wood-oats. This picture shows the Grows in patches from short horizontal rhizomes.  of Chasmanthium laxum [= Uniola laxa]

Alison Northup

The crowded spikelets each have 3-5 florets/spikelet.

Randolph Co., NC

The Scientific Name is Chasmanthium laxum [= Uniola laxa]. You will likely hear them called Slender Spikegrass, Slender Wood-oats. This picture shows the  The crowded spikelets each have 3-5 florets/spikelet. of Chasmanthium laxum [= Uniola laxa]

Alison Northup

Links:

USDA PLANTS Database Record

https://auth1.dpr.ncparks.gov/flora/species_account.php
 



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