Operculina pteripes

Flowers 2–12 in cymose clusters, less often solitary; peduncles 2–15 cm long, with 3 wings in the central part, wings 0.6–3.5 mm wide, becoming attenuate toward both ends, rarely without wings; pedicels 1.5–3.5 cm long, enlarged toward the apex; the bracts caducous, the bracteoles 9–10 mm long, 3–3.5 mm wide, lanceolate, acute, caducous; sepals subequal, the outer 2.2–2.6 cm long, ovate to ovate-elliptic, 1.5–1.9 cm wide, obtuse or subacute, glabrous, basally truncate, the inner 2.3–2.5 cm long, ovate, 1.5–1.8 cm wide, subobtuse to obtuse, basally rounded, glabrous; corolla salverform, pink, red-orange to red-salmon, 4–7 cm long, the tube 5–10 mm in diameter, finely tomentose on the tube and interplicae, stamens subequal, exserted, 4–5 cm long, the anthers spirally dehiscent, 7–8 mm long; ovary ovoid, glabrous, the style 3–4 cm long, the stigma 2–globose.