Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Brassicales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Arabidopsis thaliana
FAMILY
Brassicaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Mouse-ear Cress from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Arabidopsis thaliana
FAMILY
Brassicaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Arabidopsis thaliana
SYNONYMOUS WITH Flora of North America
Arabidopsis thaliana
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 088-15-001:
Arabidopsis thaliana FAMILY Brassicaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Arabidopsis thaliana
COMMON NAME:
Mouse-ear Cress
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_arth_001_lvd
)
JK Marlow jkm160311_147
March Greenville County SC
Stems usually range from 5-30cm tall, per Flora of North America.
)
JK Marlow jkm160311_149
March Greenville County SC
Fruit terete; petals 2-4mm long, entire, per Weakley's Flora (2018).
)
Terry Holdsclaw tdh_a_thaliana_0084
March Iredell County NC
)
Terry Holdsclaw tdh_a_thaliana_0087
March Iredell County NC
)
Terry Holdsclaw tdh_a_thaliana_0088
March Iredell County NC
)
JK Marlow jkm150407_111
April Greenville County SC
Swamp Rabbit Trail
Silique 1-1.5cm long, 0.8-1mm broad, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm150407_111115
April Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm150407_114
April Greenville County SC
Swamp Rabbit Trail
Leaves mostly basal, spatulate, hairy, < 2" long, the few stem lvs smaller, per Wildflowers of the Southern Mountains (Smith, 1998).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Arabidopsis thaliana
FAMILY
Brassicaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Arabidopsis thaliana
FAMILY
Brassicaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Arabidopsis thaliana
SYNONYMOUS WITH
Flora of North America
Arabidopsis thaliana
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 088-15-001:
Arabidopsis thaliana
FAMILY
Brassicaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Arabidopsis thaliana
3236
Forb
Winter annual
Habitat: Disturbed areas, fields, roadsides, lawns, per Weakley's Flora
Non-native: Eurasia
Common (uncommon in GA Coastal Plain)
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 & alternate
FLOWER:
Spring
White
Radially symmetrical
4 sepals
4 petals
6 stamens slightly tetradynamous (2 short, 4 long)
Bisexual
FRUIT:
Spring
Silique
TO LEARN MORE about this plant, look it up in a good book!
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p099
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p020
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p133
- Wildflowers of the Southern Mountains (Smith, 1998) p058
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".