The leaves are narrow, typically 1–3 mm wide, and are usually rolled under along the margins. The inflorescences may be either simple or branched, and each cyme generally bears three to five flowers. The corolla tube measures 6–7 mm in length and extends visiblybeyond the calyx. The limb of the corolla is funnel-shaped, with the upright lobe noticeablytaller than it is wide.