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Geocarpon cumberlandense

Geocarpon cumberlandense
Photo: Brian Stansberry, CC BY 3.0

Geocarpon cumberlandense is a rare, small perennial herb in the pink family, found only in cool sandstone rock shelters on the Cumberland Plateau. It is a federally listed endangered species and is not grown as a garden or houseplant.

Family
Caryophyllaceae (Pink & carnation family)
Grows as
Perennial
Light
Shade
Water
Keeps moist sandy substrate behind rock shelter drip lines; not a cultivated watering regime.
Soil
Moist, sandy cave-floor substrate in rock shelters.
Temperature
Cool conditions typical of sandstone shelters; cold-tolerant temperate species.
Native range
EC. U.S.A.
Climate
temperate

About

Geocarpon cumberlandense is a rare species of flowering plant in the pink family known by the common names Cumberland stitchwort and Cumberland sandwort. It is endemic to the Cumberland Plateau near the Big South Fork of the Cumberland River in Tennessee and Kentucky. This rare plant is found only in cool sandstone rock shelters, on the moist sandy cave floors behind the drip line. There are 27 occurrences in Tennessee and one in Kentucky. The plant is a federally listed endangered species.

This is a petite perennial herb forming tufts of stems from threadlike taproots. The green stems reach 15 to 20 centimeters in maximum height. The leaves have shiny green linear or lance-shaped blades up to 3 or 4 centimeters long. The inflorescence is a solitary flower or a cluster of up to three flowers. Each has white petals no more than 6 millimeters long. Flowers bloom in the summer.

Other Geocarpon plants

Geocarpon glabrum · Geocarpon groenlandicum · Tinytim · Geocarpon uniflorum · Geocarpon

Text excerpted from the Wikipedia article Geocarpon cumberlandense 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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