Difference between revisions of "Layia septentrionalis"
Aliso 4: 106. 1958.
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+ | |special_status={{Treatment/ID/Special_status | ||
+ | |code=E | ||
+ | |label=Endemic | ||
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name=Layia septentrionalis | name=Layia septentrionalis | ||
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|authority=D. D. Keck | |authority=D. D. Keck | ||
|rank=species | |rank=species | ||
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|publication title=Aliso | |publication title=Aliso | ||
|publication year=1958 | |publication year=1958 | ||
− | |special status= | + | |special status=Endemic;Conservation concern |
− | |source xml=https:// | + | |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.