Phyllostegia helleri is a weakly erect to climbing perennial herb; stems with hairs 0.5 to l mm (0.02 to 0.03 in) long. Leaves are thin, somewhat wrinkled, ovate, 10 to 14.5 cm (3.9 to 5.7 in) long, 3.5 to 6.5 cm (1.4 to 2.6 in) wide, hairy, inconspicuously glandular-dotted, margins with rounded to...