Deutzia gracilis
Fl. Jap. 1: 22, plate 8. 1835.
Shrubs 5–20 dm. Branches spreading or arching. Leaves: petiole 2–8 mm, glabrous; blade lanceolate, elliptic-lanceolate, oblong-lanceolate, or broadly ovate-lanceolate, 30–35 × 15–30 mm, base cuneate or rounded, margins unevenly serrate, apex acuminate, abaxial surface light green, glabrous or glabrate, adaxial dark green, sparsely stellate-pubescent. Inflorescences usually racemes or narrow panicles, open, (2–)10–50-flowered, sometimes flowers solitary, 8–12 × 3–6 cm, glabrous; peduncle 5–10 mm, glabrous. Pedicels 5–10 mm, glabrous. Flowers faintly fragrant, 15–20 mm; hypanthium campanulate, 2.5–3 × 2.5–3 mm, glabrous or short-hairy; sepals triangular, 1.5–1.7 × 1–1.5 mm, apex obtuse, surfaces glabrous or glabrate; petals valvate, white, oblong or oblong-lanceolate, 10–12(–15) × 4–6 mm, glabrous or sparsely stellate-pubescent abaxially, glabrous adaxially; filaments dorsiventrally flattened, narrowly oblong or subulate, outer 5–6 mm, apex 2-lobed or not lobed, inner 3–4 mm, apex 2-lobed; styles 3, 4–7 mm. Capsules hemispheric, 6–7 × 5–6 mm. Seeds 1.2–1.5 mm. 2n = 26 (Asia).
Phenology: Flowering Apr–Jun.
Habitat: Waste areas, roadsides.
Elevation: 10–900 m.
Distribution
Introduced; Ga., Md., Asia (China, Japan).
Discussion
Selected References
None.