sandhill beardtongue, eustis lake beardtongue, southern beardtongue
Image ID: 16092
Image by: Sorrie, Bruce A.
Image Collection: NCBG Digital Library
SCIENTIFIC NAME: Penstemon australis
Include in WOTAS: 1
Publish to Web: 1
Last Modified: 2019-02-25
GENUS CODE: PENST GENUS SCIENTIFIC:Penstemon GENUS AUTHORITY: Schmidel GENUS COMMON: Beardtongue GENUS SUMMARY: [contributed by Alan S. Weakley and Dwayne Estes] GENUS IDENTIFICATION: GENUS REFERENCES: Estes (2012)=Y; Clements, Baskin, & Baskin (1998)=Z; Pennell (1935)=P. Key based on Y and Z.
FAMILY CODE: PLANTA FAMILY SCIENTIFIC:Plantaginaceae FAMILY AUTHORITY: A.L. de Jussieu 1789 FAMILY COMMON: Plantain Family FAMILY SUMMARY: As radically recircumscribed, a family of about 120 genera and 1800 species. FAMILY REFERENCE: Albach, Meudt, & Oxelman (2005); Olmstead et al. (2001); Schwarzbach in Kadereit (2004); Fischer in Kadereit (2004).
INTRO:Erectperennial of sandhills, flatwoods, dry hammocks and dry sandy roadsides. STEMS: Stems 1-several (not branched above the base), reddish-purple, usually hairy. LEAVES: Leaves opposite,sessile, lance-shaped, to 4 in. long, somewhat thick-firm, vaguely coarsely toothed, smooth to minutely hairy. INFLORESCENCE: FLOWERS: Flowers in a moderately compact, terminalpanicle, with branches angled upward; pink to lavender-purple; to 1 in. long; bilaterally symmetric; tubular and with 2 lips, the upper 2-lobed and slightly shorter than the lower, which is 3 lobed. Corollathroat white with purple lines and a barely protruding yellow-bearded tongue. Flower parts--corolla, calyx, stalks and inflorescence branches--are often covered with glandular hairs. FRUITS: COMMENTS: Identification of Penstemon species is difficult due to variations in flower characters such as color, patterning, relative length of parts, and degree of constriction/dilation of the corolla tube. HEIGHT: 8-28 in. DURATION:
Opposite LEAF COMPLEXITY:
Simple LEAF RETENTION: FLORAL CHARACTERISTICS
BLOOM TIME: May-Jul
BLOOM COLOR: Pink to lavender
FRUITING PERIOD: Jul-Aug. DISTRIBUTION
HABITAT TYPE: Disturbed, Pine savannas, Sandhills
NATIVE RANGE: southeastern United States HORTICULTURAL
Plant Sale Text:
Bloom Table Text:
Sun, Part Shade
MINIMUM HARDINESS ZONE:
MAXIMUM HARDINESS ZONE:
This information is derived from the U.S. Army Corps of Engineers 2016 National Wetland Plant List, Version 3.3 (Lichvar, R.W., D.L. Banks, W.N. Kirchner, and N.C. Melvin. 2016. The National Wetland Plant List: 2016 wetland ratings. Phytoneuron 2016-30: 1-17. Published 28 April 2016. ISSN 2153 733X). Regions: AGCP-Atlantic and Gulf Coastal Plain, AK-Alaska, AW-Arid West, CB-Caribbean, EMP-Eastern Mountains and Piedmont, GP-Great Plains, HI-Hawaii, MW-Midwest, NCNE-Northcentral and Northeast, WMCV-Western Mountains, Valleys & Coast
SCIENTIFIC NAME: Penstemon australis
COMMON NAME: Southern Beardtongue, Sandhill Beardtongue
SYNONYMY: [= K, P, S, Y, Z; < P. australis - C, F, G, RAB, Va, W, WH3]
PHENOLOGY: May-Jul; Jul-Aug.
HABITAT: Sandhills, flatwoods, dry hammocks, dry sandy roadsides.
COMMENTS: Se. VA south to c. peninsular FL, west to s. and wc. AL, primarily on the Coastal Plain, but not uncommon westward into the Piedmont and lower Mountains, and extending in the interior into c. TN.
RANGE MAP: Penstemon australis.png
Key to Map SymbolsABOUT FAMILY (Weakley Flora) Plantaginaceae A.L. de Jussieu 1789 (Plantain Family) SUMMARY: As radically recircumscribed, a family of about 120 genera and 1800 species. REFERENCE: Albach, Meudt, & Oxelman (2005); Olmstead et al. (2001); Schwarzbach in Kadereit (2004); Fischer in Kadereit (2004).ABOUT GENUS (Weakley Flora) Penstemon Schmidel (Beardtongue) SUMMARY: [contributed by Alan S. Weakley and Dwayne Estes] REFERENCE: Estes (2012)=Y; Clements, Baskin, & Baskin (1998)=Z; Pennell (1935)=P. Key based on Y and Z.
SERNEC: Find Penstemon australis in Southeast Regional Network of Experts and Collections (if available) UNC SERNEC: Find Penstemon australis in
University of North Carolina Chapel Hill Herbarium - Southeast Regional Network of Experts and Collections (if available)