Stephania japonica

Ivyweed · Menispermaceae

Summary of the structured data documented in ClimaFlora for this taxon.

MenispermaceaeClimber

Krish Dulal · CC BY-SA 3.0 · wikimedia_commons · source

Dinesh Valke from Thane, India · CC BY-SA 2.0 · wikimedia_commons · source

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Identity and native distribution

Family

Menispermaceae

Life form

Climber

Documented native regions

Temperate AsiaTropical AsiaAustralasiaPacific

MaterialsMedicinal useDocumented toxicity

Variable	Observed range	Central range
Annual mean temperature	-0.99 – 28.39	7.99 – 28.25
Temperature of the warmest month	11.37 – 40.85	16.27 – 39.89
Temperature of the coldest month	-18.69 – 25.31	-15.49 – 25.19
Annual precipitation	349.2 – 5884.7	373.44 – 4805.3
Precipitation seasonality	7.1 – 140.54	7.64 – 128.36

These values describe the documented climate envelope of the taxon. They are not, by themselves, a local recommendation.

Variable	Unit	Observed range	Central range
Cation exchange capacity (CEC)	cmol(+)/kg	9.46 – 27.05	16.15 – 23.5
Clay	%	16.27 – 35.74	19.98 – 30.32
Coarse fragments	%	4.66 – 13.58	6.78 – 11.3
Total nitrogen	g/kg	0.93 – 4.21	1.81 – 2.88
pH	—	5 – 6.2	5.2 – 5.62
Sand	%	26.55 – 64.05	43.67 – 54.75
Soil organic carbon	g/kg	13.56 – 70.23	27.73 – 42.45

These soil preferences should be compared with the site profile and the confidence of the local data.