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Rohdea japonica (Thunb.) Roth

Species

Angiosperms > Asparagales > Asparagaceae > Rohdea

Characteristics

Rhizome suberect, 1.5--2.5 cm thick. Leaves 3--8(--12), dark green, lanceolate-oblong, oblanceolate, or lanceolate, gradually narrowed to both ends, 15--50 × 2.5--7 cm, thickly papery, apex acute to subacuminate. Scape 2.5--4(--10) cm, stout. Spike suboblong, 3--4 × 1.2--1.7 cm, densely many flowered; bracts ovate, 2.5--6 × 2--4 mm. Perianth pale yellow, 4--5 × ca. 6 mm; lobes small, thick. Anthers ovate, 1.3--1.5 mm. Berries red at maturity, globose, ca. 8 mm in diam. Fl. May--Jun, fr. Sep--Oct. 2 n = 14, 36, 38, ca. 72*.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.55 - 0.75
Mature height (meter) 0.3
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

Thickets and woods in the warmer areas of C. and S. Japan. Moist places in forests, grassy slopes at elevations of 700-1700 metres in China.
Light 3-6
Soil humidity 3-7
Soil texture 1-6
Soil acidity 3-8
Soil nutriment -
Hardiness (USDA) 7-9

Usage

Uses environmental use medicinal
Edible -
Therapeutic use Abscess (unspecified), Alexiteric (unspecified), Boil (unspecified), Cardiac (unspecified), Cardiotonic (unspecified), Diphtheria (unspecified), Diuretic (unspecified), Encephalitis (unspecified), Sore(Throat) (unspecified), Fever (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Rohdea japonica unspecified picture

Distribution

Rohdea japonica world distribution map, present in China, Japan, and Korea (Democratic People's Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:540426-1
WFO ID wfo-0000732861
COL ID 78X94
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Orontium japonicum Orontium liliifolium Rohdea japonica Rohdea esquirolii Rohdea sinensis

Lower taxons

Rohdea japonica var. latifolia Rohdea japonica var. japonica
WorldFloraDB 2024