Senecio glastifolius L.F.

Sèneçon à feuilles de pastel (fr)

Species

Angiosperms > Asterales > Asteraceae > Senecio

Characteristics

Erect, glabrous, perennial herb, becoming distinctly woody toward base, up to c. 1 m tall. Stems branched above to form infl. and branched below in older plants. Lvs apetiolate, not lobed, ± oblong or narrow-elliptic to obovate-elliptic, serrate, acute, amplexicaul and often coarsely toothed at base, usually somewhat decurrent, 3-8-(11) × 1-2.5-(3.5) cm; venation pinnate. Upper cauline lvs becoming smaller, ovate-oblong or lanceolate, and less distinctly toothed except at base. Capitula many, in loose corymbs. Supplementary bracts (13)-16-23, lanceolate to subulate, 3-5.5 mm long. Involucral bracts 19-23, narrow-oblong to linear, 6-9 mm long. Ray florets 12-22; ligules purple, mauve-pink or pale to deep pink, (10)-12-25 mm long. Disc yellow. Achenes terete, c. 2.5 mm long, those of ray florets glabrous, those of disc florets hairy; pappus 7-9 mm long.
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Erect perennial to c. 1.5 m high, glabrous. Leaves oblanceolate to narrowly elliptic, to 12 cm long, with l:w ratio c. 2–4, lobate, with lobes antrorse; base hardly to moderately narrower; margin dentate or denticulate. Capitula few to numerous per stem; calycular bracteoles 10–16, 3–4 mm long, c. 0.8 mm wide; involucre c. 7 mm long, c. 5–8 mm diam.; bracts 20–22. Florets numerous; ligulate florets c. 13; ligule 10–20 mm long, 4-veined, pink to purple. Achenes narrowly obloid, 2–2.5 mm long, brown or olive-brown, with papillose hairs in narrow bands. Pappus caducous, c. 7 mm long.
Glabrous, perennial shrub or shrublet, up to 1 m high. Stems erect, rigid, densely leafy. Leaves sessile, leathery, ± clasping, oblong to lanceolate-oblong, up to 75 mm long, lower leaves ± decurrent, margins revolute, coarsely toothed. Inflorescence a corymbose panicle, corymbs 3-5-headed. Capitula radiate, disc yellow, rays (± 12) pink to purple; involucre broadly campanulate, flat-bottomed; bracts ± 20, up to 10 mm long; calyculus bracts many, up to 3 mm long. Flowering time Aug.-Dec. Cypselae cylindrical, 2.5 mm long, ribbed, ± hairy.
Rigid, glabrous, softly woody perennial to 1 m. Leaves lanceolate, coarsely toothed, margins revolute, ascending, clasping at base. Flower heads radiate, large, in lax, branched corymbs, yellow with mauve rays, involucres calycled.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Grows in coastal sites on sand dunes and among rocks, in heathland and shrubland.
Light -
Soil humidity -
Soil texture -
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Hardiness (USDA) 9-10

Usage

Occasionally cultivated as a garden ornamental.
Uses ornamental
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 -

Images

Senecio glastifolius unspecified picture

Distribution

Senecio glastifolius world distribution map, present in Australia, United Kingdom of Great Britain and Northern Ireland, New Zealand, Portugal, and South Africa

Conservation status

Senecio glastifolius threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:245303-1
WFO ID wfo-0000097104
COL ID 4WKY3
BDTFX ID 120854
INPN ID 788826
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Jacobaea glastifolia Senecio glastifolius Senecio serratulifolius