Packera werneriifolia W.A.Weber & Á.Löve

Hoary groundsel (en)

Species

Angiosperms > Asterales > Asteraceae > Packera

Characteristics

Perennials, 7–15+ cm; ± rhizomatous (rhizomes branched, sometimes densely crowded). Stems 1 or 3–5, clustered (often scapiform), usually floccose, lanate-tomentose, or canescent, sometimes glabrate. Basal leaves (either of two forms): usually (1) sessile, sometimes petiolate; blades narrowly lanceolate to elliptic, 15–40+ × 5–25 mm, bases tapering, margins entire or dentate toward apices (often revolute), sometimes (2) petiolate; blades ovate to orbiculate, 10–20 × 5–15 mm, bases tapering to abruptly contracted, margins entire or wavy, sometimes dentate toward apices. Cauline leaves abruptly reduced (bractlike). Heads1–5(–8) in cymiform to subumbelliform arrays. Peduncles inconspicuously bracteate, glabrous or densely hairy. Calyculi conspicuous (bractlets often cyanic). Phyllaries 13 or 21, green (tips sometimes cyanic), 4–10 mm, glabrous or hairy. Ray florets 0, 8, or 13; corolla laminae 5–10 mm. Disc florets 30–50+; corolla tubes 2.5–3.5 mm, limbs 3–4 mm. Cypselae 1.5–2 mm, glabrous; pappi 5–6 mm. 2n = 44, 46.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.1 - 0.5
Mature height (meter) 0.09 - 0.33
Root system rhizome
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 -
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 8-11

Usage

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

Cultivation

Can be grown by cuttings.
Mode cuttings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Packera werneriifolia unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:180023-2
WFO ID wfo-0000029582
COL ID 75J2K
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Senecio scaposus Senecio speculicola Senecio molinarius Senecio alpicola Senecio perennans Packera werneriifolia Senecio saxosus Senecio petrophilus Senecio petraeus Senecio werneriifolius Senecio muirii Senecio petrocallis Packera werneriifolia var. werneriifolia Senecio werneriifolius var. alpinus Senecio aureus var. werneriifolius Senecio werneriifolius var. incertus Senecio saxosus var. toiyabensis Senecio saxosus var. saxosus Senecio werneriifolius var. werneriifolius Packera werneriifolia subsp. speculicola Senecio werneriifolius var. barkleyi Senecio werneriifolius var. malmstenoides