Plant: shrubs, dense often spinescent, to 1.5 m tall Leaves: lanceolate, elliptic oblanceolate or circular, 5-15 mm long; apex rounded to acute, commonly mucronate Flowers: with a glandular disk lining the hypanthium; sepals ovate to circular, persistent; petals white, narrowly lanceolate, elliptic, or oblanceolate, 9-15 mm long Fruit: FRUITS horizontally wrinkled or reticulately marked; adaxial suture cartilaginous; SEEDS 4-8; aril usually white Misc: Rock crevices and rocky slopes; 65-1400 m (200-4500 ft); Jan-Apr References: Mason, Charles T., Jr. Crossosomataceae. . Ariz.-Nev. Acad. Sci. 26(1):2.