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Bransford, W.D. and Dolphia

Minuartia obtusiloba

Minuartia obtusiloba (Rydb.) House

Twinflower Sandwort, Alpine Stitchwort, Cushion Sandwort

Caryophyllaceae (Pink Family)

Synonym(s): Alsinopsis obtusiloba, Arenaria obtusiloba, Arenaria sajanensis, Lidia obtusiloba, Minuartia sajanensis

USDA Symbol: miob2

USDA Native Status: L48 (N), AK (N), CAN (N)

A perennial with a mat-forming habit, the slender, leafy stems lying on the ground and ascending at the tip. Leaves are linear and old leaves clothe the stem bases, helping form the mat. Small, white & green flowers occur in terminal racemes.

From the Image Gallery

6 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Simple
Fruit Type: Capsule
Size Notes: Usually mat-forming with trailing stems up to about 8 inches long. Occasionally with erect stems, up to about 5 inches tall.

Bloom Information

Bloom Color: White , Green
Bloom Time: Jun , Jul , Aug

Distribution

USA: AK , AZ , CA , CO , ID , MT , NM , NV , OR , UT , WA , WY
Canada: AB , BC
Native Distribution: Lab. to AK, s. to NM mts. & CA Sierras
Native Habitat: Alpine meadows & rocky areas

Growing Conditions

Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Dry, rocky soil.

Find Seed or Plants

View propagation protocol from Native Plants Network.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:		FACU	FACU			FACU				FACU

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Minuartia obtusiloba in USDA Plants
FNA: Find Minuartia obtusiloba in the Flora of North America (if available)
Google: Search Google for Minuartia obtusiloba

Metadata

Record Modified: 2023-02-20
Research By: TWC Staff

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