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.

Distribution

Only in the flora.

Discussion

Species 1.

Selected References

None.

Lower Taxa

Sequoiadendron giganteum