familyCupressaceae
genusSequoiadendron
Show Lower Taxa
Difference between revisions of "Sequoiadendron"
Amer. J. Bot. 26: 536. 1939.
Etymology: Sequoia, generic name of coast redwood, and Greek dendros, tree
Treatment appears in FNA Volume 2.
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Revision as of 18:58, 24 September 2019
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.