Difference between revisions of "Helianthella castanea"

Greene

Erythea 1: 127. 1893.

Endemic
Treatment appears in FNA Volume 21. Treatment on page 117. Mentioned on page 115.
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|place=1: 127. 1893
 
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name=Helianthella castanea
 
name=Helianthella castanea
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|authority=Greene
 
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|publication title=Erythea
 
|publication title=Erythea
 
|publication year=1893
 
|publication year=1893
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|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_285.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_285.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae

Latest revision as of 20:11, 5 November 2020

Plants 15–45 cm. Cauline leaves: largest proximal to mid stems; blades sometimes ± 3-nerved, oblong or elliptic to broadly-oblanceolate, 10–15 cm, faces sparsely hirsute (mostly abaxially and near margins). Heads borne singly, erect. Involucres hemispheric, 25–40 mm diam. Phyllaries (usually outer 3–4+ foliaceous, 3–10 cm, curling over heads) lanceolate to lance-oblong (margins usually ciliate, abaxial faces densely pubescent or glabrate). Paleae chartaceous, relatively firm. Ray florets 12–21; laminae (10–)20–30 mm. Disc corollas yellow. Cypselae weakly compressed (plump in middles, edges thin, faces, glabrous); pappi 0 or of 2 ± subulate scales. 2n = 30.


Phenology: Flowering Apr–May.
Habitat: Grassy hillsides
Elevation: 0–1200 m

Discussion

Helianthella castanea is known only from the San Francisco Bay area.

Selected References

None.

Lower Taxa

None.
... more about "Helianthella castanea"
William A. Weber +
Greene +
0–1200 m +
Grassy hillsides +
Flowering Apr–May. +
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Helianthella castanea +
Helianthella +
species +