Ligularia retusa Dc.

Species

Angiosperms > Asterales > Asteraceae > Ligularia

Characteristics

Stem erect, 1 or 2, 38-100 cm tall, 3.5-12 mm in diam. at base, densely shortly black pilose or proximally glabrescent. Basal leaves petiolate; petiole 7.5-20 cm, shortly black pilose, base narrowly sheathed; leaf blade reniform, 2.2-7.5 × 4-15 cm, abaxially glabrous or shortly pilose along veins, adaxially glabrous, palmately veined, margin regularly denticulate, between teeth shortly black pilose, apex retuse; sinus ca. 1/3 as long as leaf blade, basal lobes orbicular. Middle stem leaves similar but smaller, shortly petiolate, base broadly sheathed; sheath cymbiform, 4-9 × 1.5-3 cm, shortly black pilose, rarely glabrous; leaf blade 3-9.5 × 7-16 cm. Distalmost stem leaves only broadly sheathed. Capitula 2-11(-27), solitary or in corymb, branches spreading; branches and peduncles black pilose; leaflike and supplementary bracts linear-lanceolate, less than 1 cm, shortly black pilose. Involucre hemispheric or campanulate, 1-1.5 × 1.5-2 cm, outside shortly black pilose; phyllaries 11-18, oblong or lanceolate, 2-5 mm wide, apex acute or acuminate; inner phyllaries membranous at margin. Ray florets yellow; lamina oblong or oblanceolate, 9-10 × 3-4 mm, apex subtruncate, 2-or 3-denticulate. Tubular florets numerous, yellowish brown, 5-6 mm; tube 1-1.5 mm. Achenes pale brown, cylindric, 7-10 mm, ribbed. Pappus yellow, as long as tubular corolla. Fl. and fr. Jul-Oct.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.64 - 0.95
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) 7-12

Usage

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

Cultivation

Mode -
Germination duration (days) 14 - 42
Germination temperacture (C°) 12 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Ligularia retusa world distribution map, present in Bhutan, China, India, and Nepal

Identifiers

LSID urn:lsid:ipni.org:names:230840-1
WFO ID wfo-0000079785
COL ID 6Q8X6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Senecio retusus Senecillis retusa Senecio retusus Senecio retusus Cremanthodium retusum Ligularia nigro-pilosa Cineraria retusa Ligularia retusa