Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Gratiola amphiantha
FAMILY
Plantaginaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read about Amphianthus and Gratiola from Alan Weakley and the Southern Appalachian Botanical Society.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Amphianthus pusillus
FAMILY
Scrophulariaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Gratiola amphiantha
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 17 (2019)
Gratiola amphiantha
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Amphianthus pusillus
SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Amphianthus pusillus
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 166-04-001:
Amphianthus pusillus FAMILY Scrophulariaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Amphianthus pusillus
COMMON NAME:
Pool-sprite, Snorkelwort, Little Amphianthus
To see larger pictures, click or hover over the thumbnails.
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Owen Carson owc_photo_2
February DeKalb County GA
Arabia Mountain National Heritage Area
)
Owen Carson owc_photo_3
February DeKalb County GA
Arabia Mountain National Heritage Area
)
Keith Bradley kab_g_amphiantha_1002
March Lancaster County SC
Forty Acre Rock Heritage Preserve
)
Keith Bradley kab_g_amphiantha_1012
March Lancaster County SC
Forty Acre Rock Heritage Preserve
)
Keith Bradley kab_g_amphiantha_1021
March Lancaster County SC
Forty Acre Rock Heritage Preserve
)
Keith Bradley kab_g_amphiantha_3789
March Lancaster County SC
Forty Acre Rock Heritage Preserve
)
Keith Bradley kab_g_amphiantha_3797
March Lancaster County SC
Forty Acre Rock Heritage Preserve
)
Keith Bradley kab_g_amphiantha_3802
March Lancaster County SC
Forty Acre Rock Heritage Preserve
Floating leaves about 1/4" long, oval, paired; submerged leaves in a rosette, per Field Guide to the Rare Plants of Georgia (Chafin, 2007).
)
Keith Bradley kab_g_amphiantha_3850
March Lancaster County SC
Forty Acre Rock Heritage Preserve
)
Keith Bradley kab_g_amphiantha_3856
March Lancaster County SC
Forty Acre Rock Heritage Preserve
)
Will Stuart wil_4467700521_36e2a3bca9
March Lancaster County SC
Forty Acre Rock Heritage Preserve
Flowers less than 1/4" long, with a short tube and 5 spreading lobes, per Field Guide to the Rare Plants of Georgia (Chafin, 2007).
COMPARE
aquatic plants
)
Will Stuart wil_6969633183_0ee62273f3
March Lancaster County SC
Forty Acre Rock Heritage Preserve
)
Will Stuart wil_8464945135_11688758bb
March Lancaster County SC
Forty Acre Rock Heritage Preserve
Somewhat resembles Callitriche, but has floating leaves in single pairs rather than in a whorl, per Weakley's Flora (2023).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Gratiola amphiantha
FAMILY
Plantaginaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Amphianthus pusillus
FAMILY
Scrophulariaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Gratiola amphiantha
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 17
Gratiola amphiantha
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Amphianthus pusillus
SYNONYMOUS WITH
Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Amphianthus pusillus
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 166-04-001:
Amphianthus pusillus
FAMILY
Scrophulariaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Amphianthus pusillus
2380
Submersed aquatic that also has floating leaves (rooted); Forb
Annual
Habitat: Vernal pools on granitic flatrocks, per Weakley's Flora
Native to South Carolina & Georgia
Rare
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 (submerged) & opposite (floating)
FLOWER:
Spring
White or pale lavender
Slightly bilaterally symmetrical
5-parted calyx
2-lipped corolla with 5 spreading lobes
2 included stamens
Superior ovary
Bisexual
FRUIT:
Spring
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001) p170
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p199
- Guide to the Plants of Granite Outcrops (Murdy & Carter, 2000) p05
- Field Guide to the Rare Plants of Georgia (Chafin, 2007) p043
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p077
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p090
- Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont (Spira, 2011) p380
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