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Plumbago auriculata (“Cape Leadwort”). Means “with ears,” referring to the leaves. Bisexual flowers. Sepals can be sticky enough to trap flies.

Verbenaceae (“Lantana“). Mostly poisonous. Good for attracting honeybees and butterflies.

Allamanda cathartica (“Golden Trumpet”). Cathartica, since it can be used to induce purging/vomiting. Flower of Puerto Rico.