Packera streptanthifolia (Greene) W.A.Weber & Á.Löve

Rocky mountain groundsel (en)

Species

Angiosperms > Asterales > Asteraceae > Packera

Characteristics

Perennials, 10–50+ cm; fibrous-rooted (caudices weak to stout, horizontal to suberect). Stems 1 or 2–5, clustered, usually glabrous, sometimes sparsely floccose-tomentose proximally and in leaf axils. Basal leaves (and proximal cauline, relatively thick and turgid) petiolate; blades spatulate to oblanceolate, or ovate to orbiculate, 20–40+ × 10–30+ mm, bases tapering to abruptly contracted or subcordate, margins entire, crenate, dentate, or weakly lobulate (faces usually glabrous, sometimes hairy). Cauline leaves gradually to abruptly reduced (± petiolate or sessile; entire or subentire). Heads 2–20+ in loose, corymbiform or subumbelliform arrays. Peduncles bracteate, glabrous or sparsely tomentose. Calyculi conspicuous. Phyllaries (8–)13 or 21, green (tips sometimes cyanic), 4–7+ mm, glabrous. Ray florets 8 or 13; corolla laminae 5–10 mm. Disc florets 35–60+; corolla tubes 2–4 mm, limbs 2.5–4 mm. Cypselae 1–2.5 mm, glabrous; pappi 3–6 mm. 2n = 46, 92.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.5
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 -

Images

Packera streptanthifolia unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:180019-2
WFO ID wfo-0000047364
COL ID 75J4G
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Packera streptanthifolia Senecio subcuneatus Senecio jonesii Senecio cognatus Senecio suksdorfii Senecio laetiflorus Senecio adamsii Senecio streptanthifolius Senecio oodes Senecio platylobus Senecio rubricaulis Senecio wardii Senecio longipetiolatus Packera oodes Senecio fulgens Senecio leonardi Senecio cymbalarioides Senecio rydbergii Packera cymbalarioides Senecio streptanthifolius var. wallowensis Senecio cymbalarioides var. cymbalarioides Packera streptanthifolia var. rubricaulis Senecio streptanthifolius var. oodes Packera streptanthifolia var. borealis Senecio rubricaulis var. rubricaulis Senecio streptanthifolius var. laetiflorus Senecio streptanthifolius var. kluanei Senecio cymbalarioides var. borealis Packera streptanthifolia var. streptanthifolia Senecio cymbalarioides var. streptanthifolius Senecio streptanthifolius var. streptanthifolius Senecio streptanthifolius var. rubricaulis Senecio aureus var. borealis Senecio streptanthifolius var. borealis Senecio cymbalarioides var. suksdorfii Senecio streptanthifolius var. platylobus