Silene grayi is a species of flowering plant in the pink family known by the common name Gray's catchfly. It is native to the mountains of Oregon and northern California, including the Klamath Mountains, where it grows in chaparral, mountain forests, and the talus of high slopes in alpine climates. It has been observed to occur in a plant association with oceanspray (Holodiscus microphyllus), littleleaf silverback (Luina hypoleuca), and Gray's bedstraw (Galium grayanum). It is a perennial herb producing a decumbent or erect stem up to 20 or 30 centimeters long from a woody, branching caudex. The base of the plant is covered in tufts of leaves. These basal leaves are lance-shaped to nearly spoon-shaped, fleshy, and up to 4 centimeters long. Smaller, narrower leaves occur farther up the stems. Each flower has a tubular calyx of fused sepals lined with ten green or red veins and covered in glandular hairs. It is open at the tip, revealing five pink or purple petals. The petal tips and appendages are divided into narrow lobes.
- "Silene grayi". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 14 November 2015.
- USFS. Establishment record for Manzanita Creek Research Natural Area within the Shasta-Trinity National Forests, Trinity Co., California.
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