Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Penstemon australis
FAMILY
Plantaginaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Downy Beardtongue at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Penstemon australis
FAMILY
Scrophulariaceae
SYNONYMOUS WITH Flora of North America
Penstemon australis
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 166-14-004:
Penstemon australis FAMILY Scrophulariaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Penstemon australis
COMMON NAME:
Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue
To see larger pictures, click or hover over the thumbnails.
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Alan Cressler alc_4689007399
May Talbot County GA
)
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).
)
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).
)
JK Marlow jkm120512_706
May Greenville County SC
Peduncles strongly ascending, the inflorescence therefore narrow, per Weakley's Flora.
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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 (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm120512_709
May Greenville County SC
)
JK Marlow jkm190504_8104
May Greenville County SC
)
JK Marlow jkm190506_8170
May Greenville County SC
Swamp Rabbit Trail
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JK Marlow jkm190506_8172
May Greenville County SC
Swamp Rabbit Trail
Cauline leaves coarsely toothed to rarely subentire, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm190506_8174
May Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm190506_8181
May Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm200525_5222
May Greenville County SC
Tall Pines Wildlife Management Area
)
JK Marlow jkm200525_5223
May Greenville County SC
Tall Pines Wildlife Management Area
)
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 (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm160605_880
June Greenville County SC
Tall Pines Wildlife Management Area
Cauline leaves glabrous to pubescent, moderately thick, narrowly lanceolate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm160605_900
June Greenville County SC
Tall Pines Wildlife Management Area
Thyrse not leafy; bracts of the inflorescence reduced, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm160605_900b
June Greenville County SC
Tall Pines Wildlife Management Area
)
JK Marlow jkm160605_900c
June Greenville County SC
Tall Pines Wildlife Management Area
)
JK Marlow jkm160605_906
June Greenville County SC
Tall Pines Wildlife Management Area
Pollinator at work: a hummingbird moth (bee hawk-moth) of the genus Hemaris.
)
JK Marlow jkm160605_919
June Greenville County SC
Tall Pines Wildlife Management Area
)
JK Marlow jkm160609_921
June Greenville County SC
Tall Pines Wildlife Management Area
Basal leaves oblanceolate to obovate, often persistent through anthesis, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm160609_922
June Greenville County SC
Tall Pines Wildlife Management Area
Mid & upper stem below inflorescence w long glandular & short eglandular hairs, per Weakley's Flora.
)
JK Marlow jkm160609_924
June Greenville County SC
Tall Pines Wildlife Management Area
)
JK Marlow jkm160609_924b
June Greenville County SC
Tall Pines Wildlife Management Area
Capsule 6-8(10)mm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm190905_1341
September Greenville County SC
Tall Pines Wildlife Management Area
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Penstemon australis
FAMILY
Plantaginaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Penstemon australis
FAMILY
Scrophulariaceae
SYNONYMOUS WITH
Flora of North America
Penstemon australis
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 166-14-004:
Penstemon australis
FAMILY
Scrophulariaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Penstemon australis
1043
Forb
Perennial
Habitat: Longleaf pine sandhills, pine flatwoods, dry hammocks, dry sandy roadsides, woodland margins, per Weakley's Flora
Native to the Carolinas & Georgia
Common (rare in NC Mountains)
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.
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!
- All About South Carolina Wildflowers (Midgley, 1999) p216
- Atlantic Coastal Plain Wildflowers (Nelson, 2006) p104
- Guide to the Wildflowers of SC (Porcher & Rayner, 2001) p389
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p328
- Wildflowers of the Carolina Lowcountry (Porcher, 1995) p161
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p087
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p331
- Wildflowers of the Southern Mountains (Smith, 1998) p154
- Wildflowers of the Sandhills Region (Sorrie, 2011) p081