温州双六道木 wen zhou shuang liu dao mu

Abelia spathulata Siebold & Zuccarini, Fl. Jap. 1. 77. 1835.

Shrubs, deciduous, to 3 m tall. Branchlets glabrous. Petiole to 4 mm; leaf blade ovate, ca. 6 × 3 cm, both surfaces sparsely pubescent, base rounded, margin entire to remotely serrate and undulate, apex acuminate to caudate. Flowers paired; ovaries with 6 bracts at base; peduncle 4-9 mm; bracts lanceolate, 2-3 mm. Calyx reddish; sepals usually 5, oblong-lanceolate. Corolla to 25 mm, bilabiate; upper lip 2-lobed; lower lip 3-lobed, pink or white tinged with yellow, villous inside and with orange markings on lower lip; tube constricted in middle. Nectary clavate and free at apex. Stamens 4, didynamous; filaments partially adnate to corolla tube. Style filiform, equaling corolla tube; stigmas capitate. Achene glabrous or sparsely pubescent, crowned with usually 5 persistent and slightly enlarged sepals. Fl. May, fr. Jun-Oct.

Forests; 700-900 m. Zhejiang (Wenzhou) [Japan].