Ilex opaca

American Holly · Aquifoliaceae

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

AquifoliaceaeTree

Ryan Hodnett · CC BY-SA 4.0 · wikimedia_commons · source

Judy Gallagher · CC BY 2.0 · wikimedia_commons · source

Alex Abair · CC BY 4.0 · wikimedia_commons · source

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Identity and native distribution

Family

Aquifoliaceae

Life form

Tree

Documented native regions

North America

Environmental usesGene sourcesMaterialsMedicinal use

Variable	Observed range	Central range
Annual mean temperature	6.65 – 23.51	7.55 – 22.61
Temperature of the warmest month	21.57 – 34.89	23.97 – 34.59
Temperature of the coldest month	-10.93 – 13.49	-9.67 – 13.01
Annual precipitation	456.14 – 1915.64	557.48 – 1788.38
Precipitation seasonality	6.8 – 64.28	7.22 – 56.72

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	6.3 – 21.52	8.5 – 16.1
Clay	%	4 – 33.46	15.95 – 24.2
Coarse fragments	%	0.2 – 10	0.4 – 5.7
Total nitrogen	g/kg	0.86 – 5.94	1.35 – 3.56
pH	—	4.5 – 7	4.85 – 5.1
Sand	%	29.5 – 89.4	40.05 – 54.75
Soil organic carbon	g/kg	12 – 59.52	16.4 – 41.45

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