Packera cana (Hook.) W.A.Weber & Á.Löve

Woolly groundsel (en)

Species

Angiosperms > Asterales > Asteraceae > Packera

Characteristics

Perennials, 10–30+ cm; rhizomatous (rhizomes branched, suberect, stout). Stems 1 (per rosette, rosettes clustered), densely lanate or canescent. Basal leaves (and proximal cauline) petiolate; blades ovate or elliptic to lanceolate, 25–50+ × 10–30 mm, bases tapering, margins entire or irregularly undulate to weakly dentate (abaxial faces persistently lanate, adaxial lanate to subglabrescent). Cauline leaves gradually reduced (petiolate or sessile, then weakly clasping; elliptic to lanceolate, entire or weakly dentate). Heads 8–15+ in corymbiform arrays. Peduncles bracteate, usually densely lanate to floccose-tomentose (sometimes subglabrescent). Calyculi inconspicuous (bractlets tomentose). Phyllaries 13 or 21, green, 5–8+ mm, densely tomentose. Ray florets 8–10 (or 13); corolla laminae 8–10+ mm. Disc florets 35–50+; corolla tubes 2.5–3.5 mm, limbs 3.5–4.5 mm. Cypselae 2.5–3.5+ mm, glabrous; pappi 4.5–7 mm. 2n = 46, 92.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.5
Root system rhizome tap-root
Rooting depth (meter) 0.3
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 7-8
Soil humidity 2-3
Soil texture -
Soil acidity 5-9
Soil nutriment -
Hardiness (USDA) 4-9

Usage

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

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) 84
Germination temperacture (C°) -5 - 3
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Packera cana unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:909308-1
WFO ID wfo-0000095447
COL ID 4BW8L
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Senecio hallii Senecio laramiensis Senecio oreopolus Senecio howellii Packera cana Senecio canus Senecio purshianus Senecio harbourii Senecio integrifolius Senecio convallium Packera cana f. cana Senecio collinus Senecio oreopolus var. oreopolus Senecio canus var. canus Senecio hallii var. discoidea Senecio purshianus var. purshianus Senecio hallii var. hallii Senecio canus var. eradiatus Senecio canus var. purshianus Senecio howellii var. howellii Packera cana f. eradiata