Genus Brighamia
The group contains morphologically divergent species, and was long thought to have derived from at least three introductions: one for Lobelia and Trematolobelia, one for Brighamia, and one for Clermontia, Cyanea, and Delissea.Species in the genus Brighamia of plants
Cabbage on a stick - B. insignis is a potentially branched plant with a succulent stem that is bulbous at the bottom and tapers toward the top, ending in a compact rosette of fleshy leaves. The stem is usually 1–2 m in height, but can reach 5 m .
Molokai ohaha - Pua ?ala reaches a height of 1–5 m and has a succulent, trunk-like stem that tapers from the base. The oval-shaped leaves are 6–22 cm long and 1–15 cm wide and form a rosette on the top of the plant.