Sedum satumense ("Satsumamannengusa")

Japanese name: サツママンネングサ （薩摩万年草）
Scientific name: Sedum satumense

A perennial growing on rocks.
The leaves are simple and opposite, somewhat sparse, and fleshy.
They are narrowly ovate, 10–22 mm long and 6–9 mm wide, with a rounded tip and a narrowed base.
The flower stems branch from the base into many, ascending to erect.
A trichotomous cymose inflorescence at the tip of the flower stem has branches 3–4 cm long.
The inflorescence has bracts of the same shape as the leaves.
The flowers are yellow, 5-petaled, about 1.5 cm across, and open in a star shape.
There are 10 stamens, with deep yellow anthers.
The sepals have no spur.

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