Geranium carolinianum
Carolina geranium

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.

Habitat: Woodlands and waste places, tending to be weedy.

Flowers: April-July

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bumblebees, bees, flies, wasps, beetles


Pubescent annual, the stems 1.5-5 dm. tall, usually erect.


Leaves petiolate, the blades cordate-rotund, 2-5 cm. broad, palmately divided nearly to the base into 5 wedge-shaped divisions, these cleft 1/3-1/2 their length into linear segments.


Inflorescence a congested cyme, with the peduncles and pedicels no longer than the calyx; sepals 5, 4-8 mm. long, 3-nerved, with a bristle-tip 1-1.5 mm. long; petals 5, rounded or slightly notched, pink or rose; fertile stamens 10, the filaments free to the base; stylar column 1.5-2 cm, stigmas 0.7-1.4 mm.


Mericarps 5, 3-4.5 mm, densely hairy; seeds finely net-veined.

Accepted Name:
Geranium carolinianum L.
Publication: Sp. Pl. 2: 682. 1753.

Synonyms & Misapplications:
Geranium carolinianum L. var. carolinianum [KZ99]
Geranium carolinianum L. var. sphaerospermum (Fernald) Breitung [KZ99]
Geranium sphaerospermum Fernald
Additional Resources:

PNW Herbaria: Specimen records of Geranium carolinianum in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Geranium carolinianum checklist entry

OregonFlora: Geranium carolinianum information

E-Flora BC: Geranium carolinianum atlas page

CalPhotos: Geranium carolinianum photos

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