OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales

WEAKLEY'S FLORA (4/24/22):
Scleranthus annuus ssp. annuus   FAMILY Caryophyllaceae   NEW! Click to go to FSUS key


INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Scleranthus annuus   FAMILY Caryophyllaceae

SYNONYMOUS WITH Flora of North America
Scleranthus annuus ssp. annuus

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 071-01-001:
Scleranthus annuus   FAMILY Caryophyllaceae

INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Scleranthus annuus

 

COMMON NAME:
Knawel, Annual Knawel, Knotgrass


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image of Scleranthus annuus ssp. annuus, Knawel, Annual Knawel, Knotgrass

Keith Bradley    kab_s_annuus_0369

February    Lexington County    SC

Cymes congested, flowers numerous. Calyx tube coarsely ribbed, hardened, per Vascular Flora of the Carolinas.

image of Scleranthus annuus ssp. annuus, Knawel, Annual Knawel, Knotgrass

JK Marlow    jkm200505_4610

May    Spartanburg County    SC

image of Scleranthus annuus ssp. annuus, Knawel, Annual Knawel, Knotgrass

JK Marlow    jkm200505_4618

May    Spartanburg County    SC

Prostrate, much-branched annual with a taproot. Leaves linear or subulate, per Vascular Flora of the Carolinas.

 

WEAKLEY'S FLORA (4/24/22):
Scleranthus annuus ssp. annuus   FAMILY Caryophyllaceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Scleranthus annuus   FAMILY Caryophyllaceae

SYNONYMOUS WITH Flora of North America
Scleranthus annuus ssp. annuus

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 071-01-001:
Scleranthus annuus   FAMILY Caryophyllaceae

INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Scleranthus annuus

 

Find by SCIENTIFIC NAME:

3502

Forb
Annual

Non-native: Mediterranean Europe, northern Africa, western Asia

Common (uncommon in GA, uncommon in Mountains)

Habitat: Fields, ditches, roadsides, other disturbed areas, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Simple
Opposite
Leaves sessile
Margins entire
Leaves do not have stipules.

FLOWER:
Spring/Summer/Fall
5-lobed calyx
Petals absent
5-10 stamens, usually
Superior ovary

Inflorescence a cyme

FRUIT:
Spring/Summer/Fall
Utricle

 

TO LEARN MORE about this plant, look it up in a good book!



 


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