familyCupressaceae
genusSequoiadendron
Show Lower Taxa
Sequoiadendron
Amer. J. Bot. 26: 536. 1939.
Etymology: Sequoia, generic name of coast redwood, and Greek dendros, tree
Treatment appears in FNA Volume 2.
Taxon | Illustrator ⠉ | |
---|---|---|
Sequoiadendron giganteum Sequoia sempervirens Taxodium distichum var. imbricarium Taxodium distichum var. distichum | John Myers John Myers John Myers John Myers |
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
"thick" is not a number.
... more about "Sequoiadendron"
absent +
long-lived +
furrowed +
fibrous +
free +
terete +
Only in the flora +
developed +
keeled +
needlelike +
persisting +
appressed +
dimorphic +
adult +
triangular +
not winged +
simple +
maturing +
spheric;oblong +
spheric +
Amer. J. Bot. +
1939 +
absent +
fibrous;woody +
peltate +
overlapping +
valvate +
persistent +
fused +
abutting +
25;45 +
woody +
compound +
persistent +
maturing +
oblong +
2-winged +
lenticular +
overlapping +
Sequoiadendron +
Cupressaceae +
genus +
resinous +
evergreen +
aromatic +
monoecious +
giant +
2;3 +