山东万寿竹 shan dong wan shou zhu

Disporum smilacinum var. album Maximowicz; D. smilacinum var. ramosum Nakai; D. smilacinum var. rotundatum Satake; D. smilacinum var. variegatum Nakai.

Rhizome short, often with long, creeping stolon. Stem usually simple, rarely branched, 15--35 cm. Petiole distinct, 1--2 mm; leaf blade ovate to elliptic, 3--7 × 1.5--3 cm, base subrounded and slightly conduplicate, margin scabrous, apex acute to acuminate. Inflorescences terminal, 1(or 2)-flowered; pedicel 1--1.5(--2.2) cm. Flowers opening. Tepals white, broadly lanceolate to lanceolate, 1.1--1.3(--1.6) cm × 2--4 mm, base slightly saccate, apex long attenuate. Stamens 7--9 mm, included; filaments dilated proximally, 5--6 mm; anthers 2--3 mm. Ovary obovoid, 2--3 mm. Style 5--7 mm. Berries black, globose or broadly ellipsoid, ca. 1 cm in diam. Seeds ovoid, ca. 4 mm. Fl. Apr--May, fr. Sep--Oct. 2 n = 16.

Forests; near sea level to 400(--1600) m. NE Shandong (Yantai Shi) [Japan, Korea, Russia (S Kurile Islands, S Sakhalin)].