Gynura japonica (Thunb.) Juel

Species

Angiosperms > Asterales > Asteraceae > Gynura

Characteristics

Herbs, perennial, high and robust, 60-100 cm or taller. Roots thick, tuberiform, 3-4 cm in diam., with numerous fibrous roots. Stems erect, basally woody, ca. 15 mm in diam., conspicuously canaliculate, crisped-pubescent when young, glabrescent, much branched, branchlets ascending. Basal leaves often withered and shedding by anthesis. Basal and lower leaves smaller, elliptic, simple to lyrate-pinnatilobed, terminal lobe large. Median leaves long or shortly petiolate, large; petiole basally rounded, dentate or pinnatilobate, auriculate, semiamplexicaul; blade abaxially green or becoming purplish, adaxially green, elliptic or oblong-elliptic, 10-30 × 8-15 cm, adpressed pilose or subglabrous, pinnatipartite; terminal lobe large, obovate or oblong to oblong-lanceolate; lateral lobes (4-)6-12-paired, elliptic or oblong to oblong-linear, 1.5-5 × 0.5-2(-2.5) cm, margin unequally coarsely dentate or sharply serrate, incised, rarely entire, apex acute or acuminate. Upper leaves smaller, pinnatilobate, gradually reduced to bractiform leaves upward. Capitula numerous, 1.5-1.8 cm in diam., terminal, corymbose-paniculate; peduncles 1-3(-6) cm, slender, shortly pubescent; bracts 1-3, linear. Involucres narrowly campanulate or campanulate, 10-15 × 8-15 mm; bracts of calyculus 9-11, linear; phyllaries uniseriate, 13, linear-lanceolate, 10-15 × 1-1.5 mm, glabrous or sparsely hairy, margin scarious, apically acuminate. Florets 50-100; corolla yellow or orange, 13-15 mm; tube 10-12 mm, slender, dilated above; lobes ovate, apically acute. Anthers obtuse at base. Style branches with conical papillose appendages. Achenes brownish, cylindric, 4-5 mm, puberulent, 10-ribbed. Pappus white, silky, easily deciduous. Fl. Aug-Oct.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0
Root system fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Fertile and moist grassy areas, small shrub thickets by ditches and streams. Valleys, grassy slopes, forests, forest margins at elevations of 1,200-3,000 metres.
More
Fertile and moist grassy areas, small shrub thickets by ditches and streams. Valleys, grassy slopes, forests, forest margins at elevations of 1200-3000 metres.
Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 6-11

Usage

Uses medicinal
Edible -
Therapeutic use Alexiteric (unspecified), Amenorrhea (unspecified), Circulation (unspecified), Contusion (unspecified), Decoagulant (unspecified), Epistaxis (unspecified), Furunculosis (unspecified), Hematuria (unspecified), Hemoptysis (unspecified), Hemorrhage (unspecified), Hemostat (unspecified), Hepatitis (unspecified), Hepatomegaly (unspecified), Nausea (unspecified), Fever (unspecified), Hematemesis (unspecified), Mastitis (unspecified), Trauma (unspecified), Bite(Snake) (unspecified), Astringent (unspecified), Bite(Tiger) (unspecified), Styptic (unspecified), Vulnerary (unspecified), Wound (unspecified), Discutient (unspecified), Hemostatic (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Gynura japonica unspecified picture

Distribution

Gynura japonica world distribution map, present in China, Japan, Nepal, Philippines, Thailand, Taiwan, Province of China, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:77063998-1
WFO ID wfo-0000011089
COL ID 3HX7K
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Gynura pinnatifida Gynura flava Gynura aurita Gynura vaniotii Porophyllum japonicum Gynura pinnatifida Kleinia japonica Cacalia segetum Gynura japonica Cacalia pinnatifida Arnica japonica Gynura segetum Gynura japonica var. japonica Gynura japonica var. flava