Sequoiadendron

J. Buchholz

Amer. J. Bot. 26: 536. 1939.

Etymology: Sequoia, generic name of coast redwood, and Greek dendros, tree
Treatment appears in FNA Volume 2.

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.