Perianth segments above wing leathery, not reflexed but embracing utricle, connivent, and together forming a cone in fruit; bractlets shorter than perianth.

• 翅上面花被片似皮革，不反折但是包括的胞果，靠合，以及在果期的一同形成一圆锥形；小苞片短于花被。(29