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FOC | Family List | FOC Vol. 24 | Liliaceae | Allium

138. Allium monanthum Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. 31: 109. 1886.

单花薤 dan hua xie

Allium monanthum var. floribundum Z. J. Zhong & X. T. Huang.

Plants dioecious. Bulb solitary, globose, 0.5--1 cm in diam.; tunic yellowish brown, sometimes tinged with red, entire or apex finely reticulate. Leaves 1 or 2, broadly linear, 1.5--2 × as long as scape, 3--8 mm wide, adaxially flat, abaxially convex, nearly semicircular in cross section, thick, attenuate at both ends. Scape 5--10 cm, slender, terete, covered with leaf sheaths only at base. Spathe 1-valved, persistent. Umbel 2--4(or 5)-flowered in male plants, 1-flowered in female plants. Pedicels subequaling perianth. Perianth white or pale red to dark red. Male flowers: pedicels nearly as thick as scape; perianth segments narrowly oblong or oblong to ovate-oblong, ca. 4 × 1.4--2(--2.4) mm, apex obtuse, inner ones narrower than outer; filaments narrowly triangular, equaling perianth segments, connate at base and adnate to perianth segments, inner ones wider than outer at base; ovules absent or rarely 1 locule with 1 sterile ovule. Female flowers: pedicels thicker than scape, dilated at apex; perianth segments ovate to ovate-lanceolate, 4--5 × 1.2--2 mm, apex acute, inner ones narrower than outer; stamens sterile; ovary ellipsoid-globose, without concave nectaries at base; stigma 3-cleft. Fl. May. 2 n = 16, 32.

Forests, slopes. Hebei, Heilongjiang, Jilin, Liaoning [Japan, Korea, Russia (Far East)].


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