Plants prostrate or ascending to erect, branched, 2–4 dm; young branches glandular, older branches glabrous. Leaves spreading, ± imbricate; blade linear, 4–12 × 1–2 mm, margins densely glandular-serrulate, surfaces glabrous or glandular. Inflorescences corymbiform, 1–16-flowered. Pedicels 10–35 mm, densely stipitate-glandular; bracteoles 2. Flowers often nodding; sepals ovate to lanceolate, 3–4 mm, margins not ciliate, densely glandular abaxially; corolla yellow or greenish yellow, urceolate, constricted at mouth, 5–8 mm, glandular, lobes reflexed, 1–2 mm; stamens 9–10, included; filaments 2.5–3 mm, hairy; anthers 1–1.5 mm; ovary ovoid, 2–2.5 mm (3.5 mm wide), glandular; style included, 3–4.5 mm. Capsules 5-valved, globose, 2.5–4 mm, densely glandular. 2n = 24.
