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Geocarpon uniflorum

Geocarpon uniflorum
Photo: Mason Brock (Masebrock), Public domain

Geocarpon uniflorum, the one-flower stitchwort, is a small annual of the pink family native to the Piedmont of the southeastern United States. It grows on sandy or granitic rock outcrops, so it is a wild plant rather than a common garden subject.

Family
Caryophyllaceae (Pink & carnation family)
Grows as
Annual
Light
Full sun
Water
Thrives on the natural seasonal moisture of rock outcrops; water sparingly and let the soil dry between waterings.
Soil
Thin, sandy or gritty mix with excellent drainage
Temperature
Temperate; tolerates cool winters and hot summers typical of the Piedmont
How easy
Hard
Native range
SE. U.S.A.
Climate
temperate

About

Geocarpon uniflorum, the one-flower stitchwort, is a species of flowering plant in the family Caryophyllaceae. It is native to the Southeastern United States where it is primarily found in the Piedmont. Its preferred habitat is sandy or granitic rock outcrops.

The plants formerly referred to as Minuartia alabamensis have been shown to be a self-pollinating form of Geocarpon uniflorum that has arisen independently at various locations, and it is thus included under this species. Genetic evidence suggested that this species is best placed in the genus Mononeuria, although that classification was not widely adopted. In 2022 it was placed in genus Geocarpon.

Other Geocarpon plants

Geocarpon cumberlandense · Geocarpon glabrum · Geocarpon groenlandicum · Tinytim · Geocarpon

Text excerpted from the Wikipedia article Geocarpon uniflorum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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