Large bright orange-red flowers emerge from conspicuous pale orange calyces from July to November.
The other species is less common, and is a free-growing shrub, 6 feet high or more, bearing large loose clusters of flowers, the corollas white, the calyces a deep brownish-red, blooming in September.
It is a fine subject for skeletonising, and the stems, bracts, and calyces may be skeletonised intact.
European plant with ample downy leaves, bearing in autumn bright orange-red bladder-like calyces, enclosing Cherry-like fruits of a pleasant acid flavor, and perfectly wholesome either raw or preserved.
Stylaster has cyclosystems. In Allopora the cyclostems resemble the calyces of Anthozoan corals.