... Pōhuehue, along with other native plants like 'aki'aki (Sporobolus virginicus) and 'ākulikui (Sesuviumportulacastrum), can help stabilize beaches ...
... Perhaps it's just genetics, like in the case of color variations in some other plants (eg, ʻākulikuli (Sesuviumportulacastrum)), or it's a mix of genetics ...