Gynura bicolor Dc.

Species

Angiosperms > Asterales > Asteraceae > Gynura

Characteristics

Herbs, perennial. Stems erect, 50-100 cm tall, glabrous, flaccid, rather woody at base, corymbosely branched in upper part, striate when dry. Leaves petiolate or subsessile; blade abaxially becoming purplish when dry, adaxially green, obovate or oblanceolate, rarely oblong-lanceolate, both surfaces glabrous, lateral veins 7-9-paired, curved, base gradually attenuate into winged petioles or subsessile, ± expanded, but not auriculate, margin irregularly repand-dentate or mucronulate, rarely pinnatifid near base. Upper leaves shortly petiolate or subsessile, lanceolate to linear-lanceolate, small. Capitula numerous, ca. 10 mm in diam., in terminal lax corymbs; peduncles 3-4 cm, slender, with 1 or 2(or 3) filiform bracts. Involucres campanulate, 11-15 × 8-10 mm; bracts of calyculus 7-9, linear; phyllaries 13, linear-lanceolate, 11-15 × 0.9-1.5(-2) mm, glabrous, conspicuously 3-ribbed, margin scarious, apically acute or acuminate. Florets orange to reddish; corolla distinctly exceeding involucres, 13-15 mm; tube 10-12 mm, slender; lobes ovate-triangular. Anthers rounded at base, or slightly acute. Style branch tips subulate, papillose. Achenes brownish, cylindric, ca. 4 mm, glabrous, 10-15-ribbed. Pappus white, silky, easily deciduous. Fl. May-Oct.
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A herb. It keeps growing from year to year It can be scrambling or erect. It grows 35 cm long. The leaves often have no leaf stalks. The leaf blades are broadly oval and 8-15 cm long. They are usually green on top and purple underneath. They are fleshy. They can have teeth or lobes. The flowers are in loose clusters or 4-13 flower heads. They have purple tips.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 1.0
Mature height (meter) 1.5 - 1.6
Root system -
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 c3

Environment

A tropical plant. It needs a sunny location. In southern China it grows in rocky or wet places by rivers between 600-1,500 m above sea level. In Sichuan and Yunnan.
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Forests on slopes, rocky or wet places by rivers; at elevations from 600-1,500 metres in China.
Light 4-7
Soil humidity 2-7
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-12

Usage

Young leaves are eaten as a vegetable or cooked in soups. The young leaves are flavoured with sauces and vinegar. The roots are cooked with sliced pork.
Uses food material medicinal
Edible leaves roots shoots
Therapeutic use Anthelmintics (leaf), Hepatitis (leaf), Wounds and injuries (leaf), Gastrointestinal diseases (stem), Hepatitis (stem), Stomach ulcer (stem), Antifungal agents (unspecified), Antiviral agents (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

It is easily grown from cuttings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Gynura bicolor unspecified picture

Distribution

Gynura bicolor world distribution map, present in Bhutan, China, Micronesia (Federated States of), India, Japan, Myanmar, Nepal, Thailand, and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:211227-1
WFO ID wfo-0000006036
COL ID 3HX62
BDTFX ID -
INPN ID 629807
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Senecio bicolor Gynura purpurascens Senecio moluccanus Cacalia angulosa Senecio punduahensis Gynura bicolor Gynura angulosa Cacalia bicolor Cacalia bicolor Gynura angulosa var. petiolata Gynura angulosa var. angulosa Gynura cusimbua var. petiolata