OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Agalinis tenuifolia   FAMILY Orobanchaceae   Go to FSUS key



INCLUDING PLANTS NATIONAL DATABASE:
Agalinis tenuifolia var. tenuifolia   FAMILY Scrophulariaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Agalinis tenuifolia

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 17 (2019)

Agalinis tenuifolia

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)

Agalinis tenuifolia var. leucanthera

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)

Agalinis tenuifolia var. macrophylla

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)

Agalinis tenuifolia var. polyphylla

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)

Agalinis tenuifolia var. tenuifolia

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 166-25-008:

Agalinis tenuifolia   FAMILY Scrophulariaceae

INCLUDING Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)

Gerardia tenuifolia var. tenuifolia

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Agalinis tenuifolia var. leucanthera

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Agalinis tenuifolia var. macrophylla

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Agalinis tenuifolia var. polyphylla

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Agalinis tenuifolia var. tenuifolia

 

COMMON NAME:
Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia


         To see larger pictures, click or hover over the thumbnails.

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_agbe_001_lvd

        

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm160827_693

August    Henderson County    NC

Bearwallow Mountain

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm230805_4715

August    Greenville County    SC

Tall Pines Wildlife Management Area

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm230805_4716

August    Greenville County    SC

Tall Pines Wildlife Management Area

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm230805_4719

August    Greenville County    SC

Tall Pines Wildlife Management Area

The purplish coloration is characteristic of this species. However it is not always seen..., per www.missouriplants.com (Tenaglia).

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm230805_4721

August    Greenville County    SC

Tall Pines Wildlife Management Area

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

Gill Newberry    gn09_a_tenuifolia_flowers

September        

Throat of the light purple corolla is not hairy like other related species, per Guide to the Plants of Granite Outcrops (Murdy & Carter, 2000).

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

Gill Newberry    gn09_a_tenuifolia_habit

September        

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm0509h_20

September    Rutherford County    NC

Chimney Rock Park

Linear leaves to .25" wide, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm0509i_07

September    Rutherford County    NC

Chimney Rock Park

Parasitic on the roots of grasses, etc, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm130922_413

September    Pickens County    SC

Table Rock State Park

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm150912_047

September    Clay County    NC

Nantahala National Forest: Tusquitee Ranger District

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm210914_3689

September    Greenville County    SC

A wiry plant with linear leaves, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm210914_3692

September    Greenville County    SC

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm210914_3705

September    Greenville County    SC

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm210914_3705b

September    Greenville County    SC

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm220927_0098

September    Greenville County    SC

Blackwell Heritage Preserve

Flowers have the upper 2 lobes arched downward to nearly cover or shade the opening, per Vascular Plants of North Carolina.

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm0410j_34b

October    Greenville County    SC

Chandler Heritage Preserve

Pedicels more than 2.5x as long as calyx (more than 10mm long in fruit), per Weakley's Flora.


click here to see other plants that look similar to this COMPARE pedicels of Gerardia species

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm0410k_12

October    Greenville County    SC

Chandler Heritage Preserve

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm211003_4045

October    Greenville County    SC

Leaf blades narrowly linear to linear-lanceolate; axillary fascicles absent or < subtending leaves, per Flora of North America.

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

JK Marlow    jkm211003_4049

October    Greenville County    SC

image of Agalinis tenuifolia, Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

Dan Whitten    sdw_agalinis_tenuifolia

October    Pickens County    SC

Glassy Mountain Heritage Preserve

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Agalinis tenuifolia   FAMILY Orobanchaceae

INCLUDING PLANTS NATIONAL DATABASE:
Agalinis tenuifolia var. tenuifolia   FAMILY Scrophulariaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Agalinis tenuifolia

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 17
Agalinis tenuifolia

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Agalinis tenuifolia var. leucanthera

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Agalinis tenuifolia var. macrophylla

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Agalinis tenuifolia var. polyphylla

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Agalinis tenuifolia var. tenuifolia

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 166-25-008:
Agalinis tenuifolia   FAMILY Scrophulariaceae

INCLUDING Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Gerardia tenuifolia var. tenuifolia

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Agalinis tenuifolia var. leucanthera

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Agalinis tenuifolia var. macrophylla

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Agalinis tenuifolia var. polyphylla

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Agalinis tenuifolia var. tenuifolia

 

Find by SCIENTIFIC NAME:

34

Forb
Annual

Habitat: Wooded slopes, savannas, granitic outcrops, roadsides, other dry habitats, per Weakley's Flora

Native to the Carolinas & Georgia

Common (uncommon in GA Coastal Plain, rare in Carolina Coastal Plain)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple
Opposite

FLOWER:
Summer/Fall
Rose-lavender (throat lined with yellow)
Weakly bilaterally symmetrical
5-parted calyx
5-parted campanulate corolla
4 included stamens (2 long, 2 short)
Superior ovary
Bisexual

FRUIT:
Summer/Fall
Capsule

 

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



 


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