Senecio arizonicus Greene

Arizona ragwort (en)

Species

Angiosperms > Asterales > Asteraceae > Senecio

Characteristics

Perennials, (20–)30–40(–60) cm (rhizomes suberect or weakly spreading). Herbage lanate-arachnose or tomentose, unevenly glabrescent. Stems 1(–2). Leaves (often purplish abaxially) reduced distally; petiolate; blades ovate to subelliptic, (5–)6–10(–15) × (2.5–)3–5(–9) cm, bases tapered or contracted, margins subentire to denticulate (denticles callous; mid and distal leaves bractlike). Heads (2–)5–12(–20) in corymbiform arrays. Calyculi of 2–5+ bractlets (largest to 3 mm). Phyllaries (± 13) ± 21, 5–7 mm, tips green. Ray florets ± 13; corolla laminae 5–10 mm. Cypselae hairy (especially on angles). 2n = 40.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.4
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 arizonicus world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:243906-1
WFO ID wfo-0000058806
COL ID 4WJNH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Senecio arizonicus