Stems 10–30(–40) dm. Twigs glabrous or sparsely to moderately appressed-pubescent. Leaves: petiole (2–)5–10 mm, appressed-pubescent abaxially, glabrous or sparsely pubescent adaxially; blade 2.7–8.5(–10) × 0.8–2.5(–3.6) cm, base attenuate, apex acute to rounded, abaxial surface whitish, densely appressed-tomentulose, adaxial green, glabrous. Inflorescences open; peduncle 1.5–5 cm, glabrous or sparingly appressed-pubescent; bracts prominent, sessile. Pedicels 1.5–5.2 mm, sparsely to densely strigose. Flowers fragrant; hypanthium 2–4 × 8–13 mm; sepals (6–)8–14 × (3–)4–6 mm, margins entire, apex acute to acuminate, abaxial surface glabrous or sparingly pubescent except for tomentulose tip; petals 20–40 × 20–36(–40) mm; filaments 4–9 × 0.2–0.6 mm; anthers 0.9–1.1 mm; style 3.5–6 mm. Capsules 10–12 × 8–12 mm. Seeds 0.7–1 mm. 2n = 20.
Home