Senecio soldanella A.Gray

Colorado ragwort (en), Sèneçon (fr)

Species

Angiosperms > Asterales > Asteraceae > Senecio

Characteristics

Perennials, 5–15(–20) cm (cau­dices branched, fibrous-rooted, roots fleshy). Herbage glabrous (or with hairs on peduncles). Stems single (often purplish-tinged). Leaves mostly basal; petiolate (petioles ± winged, lengths 1–3+ blades); blades broadly ovate to ovate-orbiculate, (1.5–)2.5–4.5(–6) × 1.5–4(–5) cm, bases truncate or tapered, margins weakly dentate or repand-denticulate to subentire (cauline leaves smaller, bractlike). Heads nodding, 1(–2). Calyculi of 3–5+ lanceolate to lance-linear bractlets (lengths 1 / 2 – 2 / 3 phyllaries). Phyllaries ± 21, (8–)10–16 mm, tips green. Ray florets ± 13+; corolla laminae 10–14 mm. Cypselae glabrous.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) 2.5 - 4.0
Mature height (meter) 0.78 - 1.33
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 7-9
Soil humidity -
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 8-10

Usage

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

Cultivation

Can be grown by cuttings.
Mode cuttings
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 soldanella world distribution map, present in France and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:234018-2
WFO ID wfo-0000121292
COL ID 4WN7F
BDTFX ID 76305
INPN ID 160265
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Senecio soldanella Ligularia soldanella Senecio grayi