Sinosenecio septilobus (Chang) B.Nord.

Species

Angiosperms > Asterales > Asteraceae > Sinosenecio

Characteristics

Herbs, subscapigerous, with leafy stem. Rhizomes 3-5 mm in diam., clad in persistent petiole bases. Stems usually solitary, erect, 30-35 cm tall, 2.5-3 mm in diam. at base, simple, sparsely white arachnoid or subglabrous. Radical leaves several, rosulate, long petiolate; petiole 9-12 cm, sparsely villous, glabrescent, basally slightly expanded; blade adaxially green, orbicular, 3.5-5 × 4-8 cm, abaxially densely white tomentose, adaxially thinly adpressed arachnoid to rarely subglabrous, base deeply cordate, margin usually deeply palmately 7-9-lobed to middle, lobes deltoid, margin entire or inconspicuously dentate, apex obtuse to rounded, mucronulate. Stem leaves 1 or 2, smaller, palmately lobed, shortly petiolate. Capitula 1.5-2 cm in diam., 7-13 arranged in terminal ± subumbelliform corymbs; peduncles 1-3(-7) cm, slender, with a basal oblanceolate or leaflike or 3-7-lobed bract, with 1 or 2 linear bracts in upper part, sparsely pubescent. Involucres campanulate, subhemispheric when flattened, 5-6 × 4-5.5 mm, not calyculate; phyllaries ca. 13, ovate-oblong or lanceolate-oblong, rarely linear, 1.5-2.5 mm wide, herbaceous, sparsely arachnoid, margin broadly scarious, apically obtuse to subacute and ciliate. Ray florets ca. 13; corolla tube 2-2.5 mm; lamina yellow, oblong, 6-7 × 1.5-2 mm, 4-veined, apically 3-denticulate. Disk florets many; corolla yellow, ca. 4 mm, with ca. 2 mm tube and campanulate limb; lobes lanceolate, 1-1.5 mm, apically acute. Anthers oblong, ca. 1.4 mm, appendages ovate-lanceolate. Style branches recurved, ca. 0.7 mm. Achenes cylindric, ca. 1.5 mm, smooth, glabrous. Pappus white, ca. 3 mm. Fl. May-Jul, fr. Jun-Jul. 2n = 48*.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.35
Root system rhizome
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Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
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Environment

Light -
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Hardiness (USDA) 6-10

Usage

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

Cultivation

Mode -
Germination duration (days) -
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Productivity -

Distribution

Sinosenecio septilobus world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:249318-1
WFO ID wfo-0000000805
COL ID 4XLW5
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Senecio septilobus Sinosenecio septilobus