Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Geraniales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Geranium robertianum
FAMILY
Geraniaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Herb Robert at Vascular Plants of North Carolina.
Considered by some authors to be introduced in North America, but apparently native based on its occurrence in remote and high quality natural communities with no other alien species and no likely means of introduction, per Weakley's Flora (2023).
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Geranium robertianum
FAMILY
Geraniaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Geranium robertianum
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Geranium robertianum
COMMON NAME:
Herb Robert
To see larger pictures, click or hover over the thumbnails.
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JK Marlow jkm090924_050
September Hancock County ME
Acadia National Park: Wild Gardens of Acadia
Leaves pinnately 3-5 lobed, deeply dissected, the end segment stalked, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
COMPARE
leaves of Geranium, Larkspur and Monkshood
)
JK Marlow jkm090924_051
September Hancock County ME
Acadia National Park: Wild Gardens of Acadia
Bright pink to red-purple petals are not notched, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Geranium robertianum
FAMILY
Geraniaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Geranium robertianum
FAMILY
Geraniaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Geranium robertianum
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Geranium robertianum
3024
Forb
Annual/Biennial
Habitat: Rocky woodlands, especially over calcareous rocks, per Weakley's Flora
Native, apparently: north of the Carolinas & Georgia
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:
Compound
Basal & alternate (often opposite when subtending the inflorescence)
Leaflets have petiolules.
FLOWER:
Summer/Fall
Pink
(rarely white)
5 sepals
5 petals
10 fertile stamens
Bisexual
FRUIT:
Summer/Fall
TO LEARN MORE about this plant, look it up in a good book!
- Newcomb's Wildflower Guide (Newcomb, 1977) p288
- Wildflowers in the Field and Forest: Northeastern US (Clemants & Gracie, 2006) p124
- Wildflowers of Tennessee (Carman, 2005) p171
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p205
- Wildflowers of the Southern Mountains (Smith, 1998) p090
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".
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