Trees evergreen, tall and massive, very long lived, monoecious; winter buds small, with bud scales. Leaves spirally arranged, sessile, appressed to branchlets or ± radially spreading, all scalelike, ovate to lanceolate, flat adaxially, convex abaxially, stomatal lines present on both surfaces, resin canal central. Pollen cones solitary at apex of short branchlets, sessile. Seed cones terminal, pendulous, pedunculate, elliptic, ripening in autumn of 2nd year, persistent on tree for many years; ovules 3-12 per bract axil, erect; cone scales shield-shaped, woody when mature, apically grooved. Seeds 3-9 per cone scale, in 1 or 2 rows, flattened, with 2 lateral wings broader than body of seed. Cotyledons (3 or)4(or 5). 2n = 22.
Trees giant, evergreen. Branchlets terete. Leaves alternate, radiating. Adult leaves mostly needlelike, triangular in cross section, somewhat divergent to strongly appressed; abaxial glands absent. Pollen cones with 12--20 sporophylls, each sporophyll with 2--5 pollen sacs. Seed cones maturing and opening in 2 years, persistent to 20 years, oblong; scales persistent, 25--45, valvate, ± peltate, thick and woody. Seeds 3--9 per scale, lenticular, subequally 2-winged; cotyledons (3--)4(--6). x = 11.
|[Sequoia, generic name of coast redwood, and Greek dendros, tree]|