Walteranthus

Walteranthus is a monotypic genus of flowering plants belonging to the family Gyrostemonaceae. It only contains one known species, Walteranthus erectus.
It is native to the state of Western Australia.

Description

They are monoecious,, short-lived shrubs. The leaves are linear to narrowly elliptic in shape and somewhat succulent. The male flowers are in axillary racemes with the axis not growing out. They have 9-12 stamens, in 1 whorl. The female flowers are solitary, axillary and they are among the upper males and above them.
It has 2-5 carpels, united. The stylodia is erect. The fruit is a hard indehiscent, slightly rugulose syncarp. The seeds are faintly rugose.

Taxonomy

The genus name of Walteranthus is in honour of Hans Paul Heinrich Walter, a German botanist who worked with Adolf Engler. The Latin specific epithet of erectus means erect or upright.
Both the genus and the species were first described and published in Bot. Jahrb. Syst. Vol.106 on pages 108-110 in 1985.
The genus is recognized by the United States Department of Agriculture and the Agricultural Research Service since 1994, but they do not list any known species.