Layia septentrionalis D.D.Keck

Colusa tidytips (en)

Species

Angiosperms > Asterales > Asteraceae > Layia

Characteristics

Plants 6–35 cm (self-incom-patible); 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.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.06 - 0.35
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 3-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 8 - 30
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Layia septentrionalis world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:136456-2
WFO ID wfo-0000038779
COL ID 3SNYD
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Layia septentrionalis