Lovely leaf roller

Along the hammock trail at the Oslo Riverfront Conservation Area, the handiwork of crafty moth larvae is evident upon the leaves of shiny-leaved wild coffee (Psychotria nervosa). Unroll the leaf, and you are most likely to find only frass (insect…

Tricky trichomes

Epiphytic plants need to find a way to compensate for what they do not have -- roots that draw nutrients from the soil. Bromeliads like the green wild pine (Tillandsia utriculata) pictured above with vase-shaped shoots -- or "tanks" --…