hiussuonia

Hiussuonia is a fictional genus of flowering plants created for illustrative purposes in this encyclopedia-style entry. In this framework, it is placed in the family Apiaceae and is described as a monotypic genus containing the species Hiussuonia marina.

Hiussuonia marina is a herbaceous perennial forming clumps up to about 60–80 cm tall. Leaves are pinnate with serrate leaflets. The inflorescence is a compound umbel of small white flowers; the fruits are schizocarps typical of Apiaceae.

In the fictional biogeography of the Hiussuon archipelago, Hiussuonia marina is endemic to rocky coastal habitats. It prefers calcareous soils, sea-wind exposure, and occurs from sea level to 400 m.

The genus name Hiussuonia honors the botanist I. Hiussuoni, while the species epithet marina refers to its marine-adjacent distribution.

As a hypothetical genus, no formal conservation assessment exists. In a speculative scenario, it would be evaluated under IUCN criteria for regional endemics, with potential threats including habitat disturbance and invasive plants.