Young stems loosely tomentulose, tardily glabrescent. Leaves: petiole (1.5–)4–16(–22) mm; blade green or yellow-green, lanceolate or oblong-lanceolate to elliptic or oblong-elliptic, sometimes oblong-ovate, (2.2–)3–7.5(–9) × (0.6–)0.8–1.4(–2) cm, surfaces glabrate or puberulent along midveins. Corymbs 1.5–5 × 1.7–7 cm, ?puberulent to glabrate?. Flowers: hypanthium 1.5–2.5 × 2.5–3.3 mm, exterior puberulent, interior glabrate; sepals 1.1–2.2 × 1.4–2 mm, abaxially puberulent to glabrate; petals 3.4–5.4 × 2.4–3.4 mm; filaments (2.5–)3–6 mm. Capsules (4.5–)5–6 × 3.5–4(–4.5) mm. Seeds 3.8–5 × 1.1–1.4 mm.