Parasenecio cyclotus (Bureau & Franch.) Y.L.Chen

Species

Angiosperms > Asterales > Asteraceae > Parasenecio

Characteristics

Rhizomes robust, ca. 1.5 cm in diam. Stem solitary, erect, 80-100 cm tall, long naked, or with few ovate scales in lower part, sparsely arachnoid above, subglabrous below, sulcate. Lower leaves fallen by anthesis; petiole expanded into ca. 2.5 cm wide, entire or laxly toothed auricle; blade adaxially green, obovate-spatulate, 5-10(-16) × 3-8(-10) cm, papery, lyrate-pinnate; lobes ovate-oblong or obovate, abaxially sparsely or densely arachnoid-tomentose, or ± glabrescent, adaxially sparsely adpressed shortly hairy, base decurrent into broadly winged petiole, apex acute or shortly acute, unequally triangularly toothed, teeth mucronulate. Upper leaves smaller; uppermost leaves often rudimentary as linear or linear-lanceolate bracts. Capitula numerous, arranged in racemes, or sometimes 1-or 2-branched, lateral, pendulous; peduncles very short, 2-4 mm, with linear-lanceolate bractlets at base. Involucres cylindric, 8-10 × 2-3 mm; phyllaries 5 or 6, lanceolate, 8-10 × ca. 1.5 mm, puberulent, margin scarious, apically obtuse. Florets 5 or 6(or 7); corolla yellow, ca. 8 mm, with slender tube and ca. 3 mm, narrowly campanulate limb; lobes lanceolate. Anthers exserted from corolla, basally caudate. Style branches excurved, truncate, papillose. Achenes yellow-brown, cylindric, ca. 4 mm, ribbed. Pappus white, 6-7 mm. Fl. and fr. Aug-Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.8 - 1.0
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Parasenecio cyclotus world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:1017624-1
WFO ID wfo-0000028395
COL ID 75QGX
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Koyamacalia cyclota Cacalia cyclota Senecio cyclotus Parasenecio cyclotus