光萼溲疏 guang e sou shu

Shrubs ca. 3 m tall. Flowering branchlets red-brown, 6-8 cm, 4-6-leaved, glabrous. Petiole 2-4 mm or very short to absent; leaf blade ovate to ovate-lanceolate, 5-10 × 2-4 cm, membranous, abaxially glabrous, adaxially glabrous or 3- or 4(or 5)-rayed stellate hairy, veins in 3 or 4 pairs, base broadly cuneate or subrounded, margin serrulate, apex acuminate. Inflorescences corymbose, 3-8 cm in diam., 5-20(-30)-flowered, glabrous; pedicels 1-1.5 cm. Calyx tube cupular, ca. 2.5 × 3 mm, glabrous; lobes ovate-deltoid, ca. 1 mm, apex obtuse. Petals imbricate, white, orbicular or broadly obovate, ca. 6 × 4 mm, base attenuate, apex obtuse. Stamens 4-5 mm; filaments subulate. Styles 3, subequaling stamens. Capsule globose, 4-5 mm, glabrous. Fl. Jun-Jul, fr. Aug-Sep.

Mixed forests, thickets, mountain slopes; 300-1300 m. Heilongjiang, Henan, ?Hubei, Hunan, Jilin, ?Liaoning, Shaanxi, Shandong [Korea, Russia].

Lower Taxa

• Deutzia glabrata var. glabrata
• Deutzia glabrata var. sessilifolia (Pampanini) Zaikonnikova