Native & Naturalized Plants of the Carolinas & Georgia


841

Forb
Winter annual/Biennial

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Common (rare in NC Mountains)

Look for it in a wide variety of natural and disturbed habitats, esp common & weedy in disturbed sites such as roadsides and fields, also common and apparently native in thin soil of rock outcrops, per Weakley's Flora

map
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full sun ...Variable

LEAVES:
Simple
Lvs of erect stems alternate, lvs of prostrate stems opposite (rarely whorled)

FLOWER:
Spring/Summer
Blue/Purple
Bisexual
Bilaterally symmetrical
5-parted calyx
2-lipped corolla
4 included stamens (2 long, 2 short)
Superior ovary
Inflorescence a raceme

FRUIT:
Spring/Summer/Fall
Capsule

 

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



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales

WEAKLEY'S FLORA (5/21/15):
Nuttallanthus canadensis   FAMILY Plantaginaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Nuttallanthus canadensis   FAMILY Scrophulariaceae

LESS THAN VASCULAR FLORA OF THE CAROLINAS (1968) 166-16-001:
Linaria canadensis   FAMILY Scrophulariaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933)
Linaria canadensis var. canadensis

 

COMMON NAME:
Oldfield Toadflax, Common Toadflax


Click or hover over the thumbnails to see larger pictures.

image of Nuttallanthus canadensis

JK Marlow    jkm080301_022b

March    Charleston County    SC

Santee Coastal Reserve

Erect stem leaves alternate & scattered, linear, 5-20mm long, 2-3mm wide, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Nuttallanthus canadensis

JK Marlow    jkm080301_024b

March    Charleston County    SC

Santee Coastal Reserve

Spreading stems' leaves opposite or whorled, linear, 3-12mm long, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Nuttallanthus canadensis

Gill Newberry    gn04_l_canadensis_clump

April        

image of Nuttallanthus canadensis

Gill Newberry    gn04_l_canadensis_nuttall

April        

image of Nuttallanthus canadensis

Gill Newberry    gn04_linaria_canadensis

April        

image of Nuttallanthus canadensis

JK Marlow    jkm0504b_11

April    Greenville County    SC

Field

Leaves hairless, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Nuttallanthus canadensis

JK Marlow    jkm070428_002

April    Greenville County    SC

Field

Flowers crowded at the end and around a long stalk (raceme), per Forest Plants of the Southeast and Their Wildlife Uses.

image of Nuttallanthus canadensis

Roxanna Martin    rlm41911_77

April    Spartanburg County    SC

image of Nuttallanthus canadensis

Roxanna Martin    rlm4211_202

April    Spartanburg County    SC

A white form

image of Nuttallanthus canadensis

Roxanna Martin    rlm4211_210

April    Spartanburg County    SC

A conspicuous spur points down from the corolla, per Guide to the Wildflowers of SC.

image of Nuttallanthus canadensis

Roxanna Martin    rlm4211_213

April    Spartanburg County    SC

image of Nuttallanthus canadensis

Roxanna Martin    rlm4211_221

April    Spartanburg County    SC

Curved elongated spur projects downward through calyx; 5 lanceolate sepals, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Nuttallanthus canadensis

Roxanna Martin    rlm4211_84

April    Spartanburg County    SC

Lower lip has a double-humped white palate & much exceeds the upper lip, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Nuttallanthus canadensis

Roxanna Martin    rlm4211_85

April    Spartanburg County    SC

image of Nuttallanthus canadensis

JK Marlow    s000416_b

April    Greenville County    SC

Roadside