After Sereno Watson, 19th century American botanist.
For description of genus see S. repens.
Fresh seed takes 3-6 months to germinate. Suckers are difficult to remove.
Prickly clustering palm with green to waxy blue or silvery fan-shaped leaves and long panicles arising among the leaves.
1 species in SE USA
Source: (2005). Arecaceae. In: . Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.