Sinosenecio jiuhuashanicus C.Jeffrey & Y.L.Chen

Species

Angiosperms > Asterales > Asteraceae > Sinosenecio

Characteristics

Herbs, subscapigerous or with leafy stems. Rhizomes 5-8 mm in diam., collar white tomentose and clad in remains of persistent petiole bases. Stems solitary or several, erect, 13-40 cm tall, simple, villous with multicellular hairs and white with ± deciduous floccose tomentum. Radical leaves few, rosulate, long petiolate; petiole 3.5-6 cm, densely brown villous and ± arachnoid-tomentose, basally expanded; blade orbicular, 2-5 × 2-6 cm, abaxially white floccose-tomentose, adaxially adpressed pubescent and at first sparsely to densely white tomentose, palmately 5-7-veined, base cordate, margin repand-dentate, with broad mucronulate teeth. Stem leaves 3-7, rarely 2; blade similar to basal ones; petiole winged in lower part, expanded into rounded subamplexicaul auricle; auricles larger or smaller upward; uppermost leaves sometimes sessile, blade confluent with auricle. Capitula usually 3-9 arranged in terminal corymbs, ca. 2 cm in diam.; peduncles 1-8 cm, densely white tomentose, not bracteate. Involucres campanulate, ca. 7 × 8 mm, not calyculate; phyllaries ca. 13, oblong-lanceolate, ca. 7 × 1.5-2 mm, white arachnoid-tomentose, ± glabrescent, margin broadly scarious, apically acute or acuminate, reddish purple and ciliate. Ray florets ca. 15; corolla tube 1.5-2 mm; lamina yellow, oblong, 7.5-8 × 1.5-1.7 mm, 4-veined, apically 3-denticulate, obtuse. Disk florets many; corolla yellow, ca. 6 mm, with 1-1.5 mm tube and campanulate limb; lobes ovate-oblong, ca. 1 mm, apically acute. Anthers ca. 1.2 mm, basally obtuse to rounded, appendages lanceolate. Style branches ca. 0.8 mm. Achenes cylindric, ca. 2 mm, sparsely puberulent, papillate. Pappus white, ca. 2 mm. Fl. Mar-May, fr. May-Jun. 2n = 48*.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.13 - 0.4
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-10

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Sinosenecio jiuhuashanicus world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:905286-1
WFO ID wfo-0000063252
COL ID 4XLVK
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Sinosenecio jiuhuashanicus