Stenanthemum is a genus of flowering plants family Rhamnaceae and is endemic to Australia. Plants in the genus Stenanthemum are small shrubs usually lacking spines. The leaves are arranged alternately
Stenanthemum leucophractum in Cox Scrub Conservation Park
In angiosperms, a hypanthium or floral cup is a structure where basal portions of the calyx, the corolla, and the stamens form a cup-shaped tube. It is sometimes called a floral tube, a term that is a
In Spiraea, the hypanthium supports a nectar-producing "disk" which is ring-shaped and may have lobes as it does here. The stamens arise between the petals and the disk.
Narcissus pseudonarcissus, showing from the upper bend to the tip of the flower: spathe, ovary, hypanthium, tepals, corona
Young Punica granatum Tunisia 2011