OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (11/30/12):
Penstemon australis   FAMILY Plantaginaceae   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Penstemon australis   FAMILY Scrophulariaceae

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 166-14-004:
Penstemon australis   FAMILY Scrophulariaceae

 

COMMON NAME:
Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue


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

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

Alan Cressler    alc_4689007399

May    Talbot County    GA

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

Alan Cressler    alc_8754881373

May    DeKalb County    GA

Stone Mountain Park

Corolla throats sometimes nearly closed; corollas lined, at least internally, per Weakley's Flora (2015).

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

Alan Cressler    alc_8754892087

May    DeKalb County    GA

Stone Mountain Park

Corolla throats may be closed or nearly so (the lower lip arching upwards), per Weakley's Flora (2015).

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm120512_706

May    Greenville County    SC

Peduncles strongly ascending, the inflorescence therefore narrow, per Weakley's Flora.

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm120512_706b

May    Greenville County    SC

Corolla 15-25mm long, gradually inflated to a throat 6-8mm in diameter, per Vascular Flora of the Carolinas.

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm120512_709

May    Greenville County    SC

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm190504_8104

May    Greenville County    SC

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm190506_8170

May    Greenville County    SC

Swamp Rabbit Trail

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm190506_8172

May    Greenville County    SC

Swamp Rabbit Trail

Cauline leaves coarsely toothed to rarely subentire, per Vascular Flora of the Carolinas.

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm190506_8174

May    Greenville County    SC

Swamp Rabbit Trail

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm190506_8181

May    Greenville County    SC

Swamp Rabbit Trail

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm200525_5222

May    Greenville County    SC

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm200525_5223

May    Greenville County    SC

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

Steve Marlow    snm5300119penstwjkm

May    Greenville County    SC

Stems 2-7dm tall [this one is much taller], not branched above the base, per Vascular Flora of the Carolinas.

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm160605_880

June    Greenville County    SC

Cauline leaves glabrous to pubescent, moderately thick, narrowly lanceolate, per Vascular Flora of the Carolinas.

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm160605_900

June    Greenville County    SC

Thyrse not leafy; bracts of the inflorescence reduced, per Vascular Flora of the Carolinas.

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm160605_900b

June    Greenville County    SC

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm160605_900c

June    Greenville County    SC

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm160605_906

June    Greenville County    SC

Pollinator at work: a hummingbird moth (bee hawk-moth) of the genus Hemaris.

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm160605_919

June    Greenville County    SC

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm160609_921

June    Greenville County    SC

Basal leaves oblanceolate to obovate, often persistent through anthesis, per Vascular Flora of the Carolinas.

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm160609_922

June    Greenville County    SC

Mid & upper stem below inflorescence w long glandular & short eglandular hairs, per Weakley's Flora.

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm160609_924

June    Greenville County    SC

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm160609_924b

June    Greenville County    SC

Capsule 6-8(10)mm long, per Vascular Flora of the Carolinas.

image of Penstemon australis, Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue

JK Marlow    jkm190905_1341

September    Greenville County    SC

 

WEAKLEY'S FLORA (11/30/12):
Penstemon australis   FAMILY Plantaginaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Penstemon australis   FAMILY Scrophulariaceae

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 166-14-004:
Penstemon australis   FAMILY Scrophulariaceae

 

Find by SCIENTIFIC NAME:

1043

Forb
Perennial

Native to the Carolinas & Georgia

Habitat: Longleaf pine sandhills, pine flatwoods, dry hammocks, dry sandy roadsides, woodland margins, 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
Basal rosette & opposite

FLOWER:
Spring/Summer
Rose/ Lavender/ Violet
Bisexual
Bilaterally symmetrical
5 sepals
2-lipped 5-lobed tubular corolla
4 fertile stamens & 1 staminode bearded with golden trichomes
Superior ovary

FRUIT:
Summer
Capsule

 

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



 


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