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Preliminary: Amagi-Miyama-Mamushigusa

Arisaema pseudoangustatum var. Amagiense (Black Leaf Type)

Very similar to A. angustatum.

As a distinction,

1. Late flowering time than A. angustatum.

2. The leaves are slightly thinner than A. angustatum.

3. There are fine protrusions on the inner surface.

4. The top of spathe is a little longer than A. angustatum.

5. Endemic to Izu-peninsula, Shizuoka, Japan.

There are 5 points. But, note thatv some individuals don't apply.

Basically, it appears in the areas higher than A. angustatum.

There is a record at Fuji Exercise Area, so the area may expand further in the future.

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