Hyalocalyx setifer is the sole member of the monotypic genus Hyalocalyx.
Hyalocalyx setifer is an annual herb.
H setifer can grow up to 27 cm tall. It has a brown woody stem that is covered in long yellowish hairs.
H. setifer exhibits both distylous and homostylous flowers. Its flowers are solitary, cylindrical, 5âÂÂ6 mm long, and range from pale yellow to orange in color.
Its native range is Tanzania, Mozambique and Madagascar. It is found in open woodlands, along roadsides and on cultivated lands. It is primarily found in dry sandy soil.