Packera contermina (Greenm.) J.F.Bain

Northwestern groundsel (en)

Species

Angiosperms > Asterales > Asteraceae > Packera

Characteristics

Perennials, 4–10+ cm; rhizomatous and/or fibrous-rooted (mat-forming, bases ascending to erect, coarse). Stems 1 or 2–3, clustered, bases floccose-tomentose, leaf axils tomentose, glabrous elsewhere. Basal leaves (thick, fleshy) petiolate; blades usually ovate, oblong, or spatulate, sometimes sublyrate, 20–50+ × 20–40+ mm, bases tapering (to winged petioles) or abruptly contracted to subcordate (petioles narrow), margins crenate, coarsely serrate, or subentire. Cauline leaves (often cyanic) gradually reduced (sessile, not clasping; lanceolate to linear, usually irregularly and shallowly lobed, rarely entire). Heads 1–2(–5+). Peduncles conspicuously bracteate, glabrous. Calyculi conspicuous (tips of bractlets often purple). Phyllaries 21, deep red or green (tips reddish), 8–12+ mm, white-tomentose proximally. Ray florets 10–12; corolla laminae 8–14+ mm. Disc florets 55–75+; corolla tubes 2.5–3.5 mm, limbs 3–4 mm. Cypselae 1–1.25 mm, glabrous; pappi 4–7 mm. 2n = 160+.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.04 - 0.1
Root system fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

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

Cultivation

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

Distribution

Packera contermina world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:1012640-1
WFO ID wfo-0000033181
COL ID 4BW8S
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Packera contermina Senecio conterminus