Allium taishanense J. M. Xu

Bulb solitary or clustered, subcylindric, ca. 0.5 cm in diam., attached to an oblique, stout rhizome; tunic grayish black, membranous, entire. Leaves broadly linear, shorter than to subequaling scape, 7--10 mm wide, attenuate at both ends, abaxially 1-angled, scabrous-denticulate along angle and margin. Scape 22--27 cm, 2-angled, scabrous-denticulate along angles, covered with leaf sheaths only at base. Spathe 2-valved, persistent. Umbel nearly hemispheric, many flowered. Pedicels subequal, 2--3 × as long as perianth, ebracteolate. Perianth pale red to white; segments ovate-oblong; outer ones 3.2--3.8 × 1.7--1.9 mm; inner ones 3.7--4.6 × 2.2--2.5 mm. Filaments equal, slightly longer than perianth segments, connate at base and adnate to perianth segments for ca. 0.6 mm; outer ones ca. 1/2 as wide at base as inner; inner ones with a broadened, triangular base. Ovary obovoid-globose, with concave nectaries covered by hoodlike projections at base. Style exserted. Fl. Sep.

C Shandong (Tai Shan).

* Slopes; 300--600 m.

Allium taishanense is a plant species endemic to the Shandong region of China. It occurs there on hillsides at elevations of 300–600 m.

Allium taishanense has narrow bulbs usually less than 5 mm in diameter. Scape is up to 30 cm tall, 2-angled with small teeth along the angles. Leaves are flat, up to 10 mm wide, tapering at both ends, usually shorter than the scape. Umbel is hemispheric, with many pink or white flowers crowded together.