Yellow in terminal and axillary panicles, which are twice the length of leaves.
Petals bigger than sepals, 5, concave at base, prolonged at the apex into 2 narrow strap-shaped processes.
Stamens 10, connate into a column which is tubular below and consists of 2, fertile, 3-antheriferous filaments opposite the petals and 5 lanceolatestaminodes opposite the sepals, anther lobes 2, divergent concealed in the hood of petals.
Ovary sessile, 5-lobed, 5-celled, styles connate, ovules many in each cell.