''Kokia lanceolata'', the Wailupe Valley treecotton, was a species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

in the family

Malvaceae Malvaceae, or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include okra, cotton, cacao and durian. There are also some genera containing familiar ...

. It was the only species of ''Kokia'' to occur on the island of

Oahu Oahu () (Hawaiian language, Hawaiian: ''Oʻahu'' ()), also known as "The Gathering place#Island of Oʻahu as The Gathering Place, Gathering Place", is the third-largest of the Hawaiian Islands. It is home to roughly one million people—over t ...

and originally known from the hills of Makapu'u,

Koko Head Koko Head is the headland that defines the eastern side of Maunalua Bay along the southeastern side of the Island of Oahu in Hawaii. On its western slope is the community of Portlock, a part of Hawaii Kai. Koko Head (at 642 ft or 196 m) is a ...

and Wailupe Valley. It became extinct not long after its discovery in the 1880s, most likely due to grazing pressure from cattle and goat ranching.

References

lanceolata Biota of Oahu Endemic flora of Hawaii Extinct flora of Hawaii Plant extinctions since 1500 Taxonomy articles created by Polbot {{Gossypieae-stub