Difference between revisions of "Layia septentrionalis"

D. D. Keck

Aliso 4: 106. 1958.

EndemicConservation concern
Treatment appears in FNA Volume 21. Treatment on page 268. Mentioned on page 264.
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|publication year=1958
 
|publication year=1958
 
|special status=Endemic;Conservation concern
 
|special status=Endemic;Conservation concern
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_657.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_657.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae

Latest revision as of 20:13, 5 November 2020

Plants 6–35 cm (self-incompatible); glandular, not strongly scented. Stems purple-streaked or not. Leaf blades oblanceolate or lanceolate to linear, 4–70 mm, margins (basal leaves) toothed to pinnatifid. Involucres ± ellipsoid to campanulate, 5–12 × 3–12+ mm. Phyllaries 5–9, apices usually shorter than folded bases. Paleae in 1 series between ray and disc florets. Ray florets 5–9; laminae yellow, 4–15 mm. Disc florets 10–65+, corollas 5–8 mm; anthers yellow to brownish. Ray cypselae glabrous or sparsely hairy. Disc pappi of 16–22 white, ± equal bristles or setiform scales 4–7 mm, each proximally plumose and adaxially woolly. 2n = 16.


Phenology: Flowering Apr–Jun.
Habitat: Grasslands, openings in chaparral, woodlands, on serpentine or sandy soils
Elevation: 100–900 m

Discussion

Of conservation concern.

Layia septentrionalis occurs in the central and southern Inner North Coast Ranges and the Sutter Buttes (southern Sacramento Valley).

Selected References

None.

Lower Taxa

None.