Difference between revisions of "Tetradymia nuttallii"

Torrey & A. Gray

Fl. N. Amer. 2: 447. 1843.

Treatment appears in FNA Volume 20. Treatment on page 631. Mentioned on page 630.
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|publication year=1843
 
|publication year=1843
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V20_1418.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V20_1418.xml
 
|tribe=Asteraceae tribe Senecioneae
 
|tribe=Asteraceae tribe Senecioneae
 
|genus=Tetradymia
 
|genus=Tetradymia

Revision as of 15:20, 18 September 2019

Shrubs, 10–120 cm. Stems 1–5+, erect, spiny, pannose but for glabrescent streaks. Leaves: primaries forming straight or recurved spines, 5–25 mm; secondaries spatulate, 10–20 mm, tomentose to nearly glabrous. Heads 4–6. Peduncles 2–12 mm. Involucres turbinate to cylindric, 6–9 mm. Phyllaries 4, oblong. Florets 4; corollas bright yellow, 8–10 mm. Cypselae 4–6 mm, densely hirsute; pappi of 75–100 bristles 9–10 mm. 2n = 60.


Phenology: Flowering spring–summer.
Habitat: Rocky or sandy places, sagebrush scrub or shadscale scrub
Elevation: 1300–2100 m

Discussion

Selected References

None.

Lower Taxa

None.