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Koyamaki

Sciadopitys verticillata

Also called Japanese umbrella-pine, Umbrella Pine, Japanese Table Pine, Parasol Pine

Koyamaki
Photo: No machine-readable author provided. MPF assumed (based on copyright claims)., CC BY 2.5

Koyamaki is a slow-growing evergreen conifer from Japan and the sole living species of its genus and family, a living fossil. Grow it in cool, moist, sheltered conditions with acidic, well-drained soil and some shade from hot afternoon sun.

Family
Sciadopityaceae (Sciadopity family)
Grows as
Tree
Light
Part shade
Water
Keep the soil evenly moist and never let it dry out, but avoid waterlogging.
Soil
Moist, acidic, humus-rich, well-drained soil.
Temperature
Hardy to about -20 °C once established; protect young plants from hot, dry wind and scorching sun.
How easy
Hard
Native range
SC. & S. Japan
Climate
temperate

About

Sciadopitys verticillata, the kōyamaki or Japanese umbrella-pine, is a unique conifer endemic to Japan. It is the sole living member of the family Sciadopityaceae and genus Sciadopitys, a living fossil with no close relatives. The oldest fossils of Sciadopitys are from the Late Cretaceous of Japan, and the genus was widespread in Laurasia during most of the Cenozoic, especially in Europe until the Pliocene. A European relative of this species may have been the primary source of Baltic amber, according to some studies.

Text excerpted from the Wikipedia article Sciadopitys verticillata by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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