Tall shrub or small tree to 7 m; setae of the young twigs often more appressed than in no. 8 [Rhododendron viscosum (L.) Torr.], or the twigs merely puberulent, lvs 3–6 cm, narrowly obovate, acute or obtuse; bud-scales, especially the inner, acute and aristate; pedicels and cor-tube stipitate-glandular and minutely hairy; cor white, 2.5–3 cm wide, the tube 2.5–3 cm, at least twice as long as the lobes; style at anthesis projecting 1 cm beyond the anthers, usually glabrous, or puberulent only at the very base. Wet woods on the coastal plain; se. Va. to Fla. and La. June, July. (Azalea s.) Perhaps better treated as R. viscosum var. serrulatum (Small) Ahles.