Silene marmorensis a terminal cyme of flowers at the top of the stem, and some flowers may occur in the leaf axils. Each flower has a hairy, veined calyx of fused sepals. The flowers bloom at night, the five pinkish or green-tinged petals opening at the tip of the calyx. This species is threatened by logging operations and other degradation of its habitat. Silene marmorensis Silene marmorensis is a rare species of flowering plant in the pink family known by the common names Marble Mountain catchfly, Marble Mountain campion, and Somes Bar campion. It is endemic to the southern Klamath Mountains of
Nemophila breviflora long, pointed, and edged with stiff hairs, and there are reflexed appendages between the sepals. The bell-shaped flower corolla is white or purple-tinged and a few millimeters wide. The fruit is a capsule which develops within the calyx of sepals and contains a single red, pitted seed. Nemophila breviflora Nemophila breviflora is a species of flowering plant in the borage family known by the common names basin nemophila, Great Basin nemophila, and Great Basin baby-blue-eyes. It is native to southwestern Canada and the northwestern United States, where it generally grows in wooded and forested areas in thickets and moist streambanks.