Senecio elmeri Piper

Elmer's ragwort (en)

Species

Angiosperms > Asterales > Asteraceae > Senecio

Characteristics

Perennials, 10–20(–30) cm (rhizomes trailing or branching). Herbage unevenly villous-tomentose or floccose, glabrescent. Stems single (from loosely clustered basal leaves). Leaves progressively reduced distally; ± petiolate; blades ovate to oblanceolate, (3–)4–8(–10) × 2–3(–4) cm, bases tapered, margins shallowly dentate (mid and distal leaves smaller, bractlike, often clasping). Heads erect or weakly nodding (especially in bud), (2–)5–9(–12) in loose, cymiform arrays. Calyculi of 2–7 lance-linear to linear bractlets (lengths 1 / 3 – 2 / 3 phyllaries). Phyllaries (± 8) ± 13, 8–10 mm, tips black (villous). Ray florets ± 8; corolla laminae 8–15 mm. Cypselae glabrous. 2n = 40.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.2
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 -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) 10 - 21
Germination temperacture (C°) 18 - 23
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Senecio elmeri world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:233025-2
WFO ID wfo-0000043685
COL ID 4WKN9
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Senecio crepidineus Senecio elmeri