Packera castoreus (S.L.Welsh) Kartesz

Beaver mountain ragwort (en)

Species

Angiosperms > Asterales > Asteraceae > Packera

Characteristics

Perennials, 3–9+ cm; usually fibrous-rooted, sometimes rhizomatous (bases erect or ascending, branched). Stems 1 or 2–3, (white) woolly-tomentose. Basal leaves (and proximal cauline) petiolate; blades obovate to oblanceolate or spatulate, 10–20+ × 5–18 mm, bases tapering, margins entire or crenate (abaxial faces densely tomentose, adaxial glabrescent). Cauline leaves gradually reduced (becoming sessile and bractlike). Heads 1–4+, in corymbiform arrays. Peduncles ebracteate. Calyculi inconspicuous. Phyllaries purple-tinged, 7–10 mm, tomentose (ciliate distally, apices with dense tufts of hairs). Ray florets 0. Disc florets not seen. Cypselae not seen (reported to be glabrous).
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.09
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) -

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 castoreus world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:1212636-2
WFO ID wfo-0000131034
COL ID 4BW8P
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Senecio castoreus Packera castoreus