Lobelia oahuensis, a member of the Campanulaceae (bellflower) family, is a stout, erect, unbranched shrub 1 to 3 m (3 to 10 ft) tall. The elliptic leaves, 40 to 60 cm (16 to 24 in) long and 4 to 6 cm (1.6. to 2.4 in) wide, are typically stalkless and form a very dense rosette at the end of the stem...