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.
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 TaxonIllustrator 
FNA2 P60 Sequoia-Sequoiadendron-Taxodium pg 402.jpegSequoiadendron 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.

"thick" is not a number.

... more about "Sequoiadendron"
Frank D. Watson +
J. Buchholz +
long-lived +
inconspicuous +  and undifferentiated +
Only in the flora +
Sequoia, generic name of coast redwood, and Greek dendros, tree +
decurrent +  and scale-like +
petioled +, sessile +, twisted +  and simple +
divergent +, radiating +  and alternate +
persisting +
spreading +  and appressed +
3 (?) +  and 5 (?) +
triangular +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
spheric;oblong +
Amer. J. Bot. +
fibrous;woody +
peltate +  and complex +
cuneate +  and oblong +
fleshy +  and woody +
overlapping +
persistent +
1 +  and 2 +
3 +  and 9 +
lenticular +
Sequoiadendron +
Cupressaceae +
flattened +, angled +  and terete +
asymmetric +  and symmetric +