Threats to the species include its low numbers and limited gene pool, degradation of its habitat by axis deer, and feral pigs, damage to plants by slugs, rats, and birds, and competition by exotic plants such as climbing dayflower (Commelina diffusa), air plant (Kalanchoe pinnata), and castor bean (Ricinus communis).
Commelina communis | Commelina erecta | Commelina diffusa | Chorizanthe diffusa | Centaurea diffusa | Buddleja diffusa | Boerhavia diffusa |