Senecio lyonii A.Gray ex Lyon

Island senecio (en)

Species

Angiosperms > Asterales > Asteraceae > Senecio

Characteristics

Subshrubs or shrubs, (20–)40–150 cm (taproots woody). Herbage sparsely hairy, unevenly glabrate (usually with persistent tomentum in leaf axils and on abaxial leaf faces). Stems usually multiple (arching upwards). Leaves evenly dis­tributed (proximal withering before flowering); sessile or obscurely petiolate; blades ± oblong or elliptic, (4–)6–10(–12) × 1.5–3 cm (1–2-pinnatifid, lobes ± linear, 1–2 mm wide), bases ± linear, ultimate margins entire. Heads 4–12 in cymiform arrays (involucres campanulate, 8–15 mm diam.). Calyculi 0 or of 1–3+ (inconspicuous) bractlets. Phyllaries (± 13) ± 21, (5–)6–8 mm, tips minutely black. Ray florets ± 13; corolla laminae 8–10 mm. Cypselae hairy. 2n = 40.
Life form perennial
Growth form
Growth support -
Foliage retention -
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.4 - 1.5
Root system tap-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) 10 - 21
Germination temperacture (C°) 18 - 23
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Senecio lyonii world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:246175-1
WFO ID wfo-0000082405
COL ID 4WLSQ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Senecio lyonii