Layia septentrionalis
Layia platyglossa
Colusa layia, Colusa tidytips
coastal tidy tips, tidy-tips
purple-streaked or not.
usually not purple-streaked.
blades oblanceolate or lanceolate to linear, 4–70 mm, margins (basal leaves) toothed to pinnatifid.
blades lanceolate or oblanceolate to linear, 4–100(–120) mm, margins (basal leaves) toothed to pinnatifid.
± ellipsoid to campanulate, 5–12 × 3–12+ mm.
hemispheric, 4–18 × 4–15+ mm.
5–9;
laminae yellow, 4–15 mm.
5–18;
laminae yellow or proximally yellow and distally white, 3–21 mm.
10–65+, corollas 5–8 mm;
anthers yellow to brownish.
6–120+;
corollas 3.5–6 mm;
anthers ± dark purple (in southwest of range, sometimes yellow or brownish).
5–9, apices usually shorter than folded bases.
5–18, apices often longer (sometimes shorter) than folded bases.
glabrous or sparsely hairy.
glabrous or sparsely hairy.
in 1 series between ray and disc florets.
in 1 series between ray and disc florets.
pappi of 16–22 white, ± equal bristles or setiform scales 4–7 mm, each proximally plumose and adaxially woolly.
pappi 0 or of 14–32 white to tawny, ± equal bristles or setiform scales 2–5 mm, each ± scabrous, usually not plumose and not adaxially woolly (in southwest of range, often proximally plumose and adaxially woolly).
= 16.
= 14.
Layia septentrionalis
Layia platyglossa
Of conservation concern.
Layia septentrionalis occurs in the central and southern Inner North Coast Ranges and the Sutter Buttes (southern Sacramento Valley).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Layia platyglossa occurs from the North Coast Ranges through central-western and southwestern California and west to the immediate coast and east into the central Great Valley. A specimen reported by S. L. Welsh et al. (1993) from dunes in Utah (Harrison 2545, BRY) may be mislabeled.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
CA
OR
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
