LILIACEAE - China

umbel, covered with leaf sheaths only at base. Spathe 2-valved,persistent, apex acuminate. Umbel usually hemispheric, manyflowered. Pedicels 1.5–2 × as long as perianth, ebracteolate or afew with a small bracteoles. Perianth pink to pale red; segmentswith dark red midvein, oblong ovate, 3.5–5.5 × 2–2.5 mm, apexobtuse, sometimes with unequal, very small denticles; outerones boat-shaped, shorter than inner. Filaments subequal, usuallysubequaling to slightly longer than perianth segments,connate at base and adnate to perianth segments; outer onessubulate; inner ones narrowly triangular. Ovary broadly ovoid,without concave nectaries. Style exserted. Fl. Jul–Aug. 2n = 16,32.Dry slopes, steppes, stony and gravelly places, sands and loess.Gansu, Hebei, Heilongjiang, N Henan, Jilin, Liaoning, Nei Mongol,Ningxia, Shaanxi, Shanxi [N Korea, Mongolia, Russia].69. Allium senescens Linnaeus, Sp. Pl. 1: 299. 1753.山 韭 shan jiuAllium baicalense Willdenow; A. senescens f. albiflorumQ. S. Sun.Bulb solitary or paired, ovate-cylindric or conical, 1–2 cmin diam., attached to a horizontal or oblique rhizome, sometimesdeveloped above ground; outer tunic usually blackishgray or black, scarious, entire or slightly splitting. Leavesspirally arranged, never distichous, broadly linear, sometimesslightly falcate, shorter than scape, 7–10(–12) mm wide, flat,thick, smooth or minutely scabrous, apex obtuse. Scape (25–)30–60 cm, 2-angled or narrowly 2-winged, covered with leafsheaths only at base. Spathe 2-valved, persistent, apex acuminate.Umbel hemispheric to globose, many flowered. Pedicelsequal, 2–3 × as long as perianth, a few bracteolate. Perianthpink to pale red, later becoming whitish; segments subovate, 4–6(–7) × 2–2.5 mm, apex obtuse, sometimes minutely denticulate;outer ones boat-shaped. Filaments subequal, to 1.5 × aslong as perianth segments, connate at base and adnate to perianthsegments; outer ones subulate; inner ones narrowly triangular.Ovary globose, without concave nectaries. Style longexserted. Fl. Jul–Aug. 2n = 16*, 32*, (40), 48.Forests, dry stony slopes, steppes, saline meadows, gravellyplaces; 500–800 m. Heilongjiang, Jilin, Liaoning, Nei Mongol, N Xinjiang[Korea, Mongolia, Russia].70. Allium nutans Linnaeus, Sp. Pl. 1: 299. 1753.齿 丝 山 韭 chi si shan jiuBulb solitary or paired, narrowly cylindric to subconical,1.5–2 cm in diam., attached to a horizontal or oblique, stoutrhizome; tunic blackish, membranous, ± entire. Leaves broadlylinear, subfalcate, ca. 1/2 as long as scape, 6–10(–15) mm wide,flat, thick, smooth, apex obtuse. Scape 30–60 cm, 2-angled,narrowly 2-winged, covered with leaf sheaths only at base.Spathe 2-valved, persistent. Umbel globose, densely manyflowered. Pedicels subequal, 2–3 × as long as perianth, bracteolate.Perianth pale red to pale purple; outer segments narrowlyovate, boat-shaped, 4.5–5.5 × 1.5–2 mm; inner onesovate, 5–6.5 × 2.2–3 mm, apex obtuse. Filaments subequal,1.5–2 × as long as perianth segments, connate at base andadnate to perianth segments; outer ones subulate; inner onesbroadened at base for 2.5–3 mm, 1-toothed on each side. Ovaryoblong-globose, without concave nectaries at base. Style exserted.Fl. and fr. Jun–Aug. 2n = 16, 17, 24, 28, 32*, 44, 48*,56, 64*, 72*.Meadows, damp places. N Xinjiang (Altay Shan) [Kazakstan,Mongolia, Russia].71. Allium obliquum Linnaeus, Sp. Pl. 1: 296. 1753.高 葶 韭 gao ting jiuBulb solitary, ovoid-cylindric, 2–3 cm in diam.; tunic palebrown to brown, hard, leathery, entire. Leaves broadly linear,shorter than scape, 5–20 mm wide, gradually attenuate towardapex. Scape 60–100 cm, terete, covered with leaf sheaths for ca.1/2 its length. Spathe 1- or 2-valved, persistent; beak short.Umbel globose, densely many flowered. Pedicels subequal, 2–4× as long as perianth, bracteolate. Perianth pale yellow to greenishyellow; outer segments oblong to oblong-ovate, 4–5 × 1.5–2mm; inner ones ovate, 4.5–5.5 × 2–2.5 mm. Filaments subulate,equal, ca. 1.5 × as long as perianth segments, connate at baseand adnate to perianth segments. Ovary ovoid, with concavenectaries covered by hoodlike projections at base. Style exserted.Fl. and fr. Jun–Jul. 2n = 16.Forests, meadows. NW Xinjiang [Kazakstan, Kyrgyzstan, Mongolia,Russia; E Europe].72. Allium hymenorhizum Ledebour, Fl. Altaic. 2: 12. 1830.北 疆 韭 bei jiang jiuBulb solitary or clustered, subcylindric, ca. 1.5 cm indiam.; tunic red-brown, lustrous, leathery, splitting. Leaves linear,shorter than scape, 2–6 mm wide, flat, smooth. Scape 30–90 cm, terete, covered with leaf sheaths for ca. 1/2 its length.Spathe 1-valved, persistent or deciduous. Umbel hemispheric toglobose, densely many flowered. Pedicels subequal, 1.5–2 × aslong as perianth, ebracteolate. Perianth pale red to purple-red;outer segments lanceolate to elliptic-lanceolate, 4–4.5 × 1.1–1.2mm; inner ones narrowly oblong-elliptic, 4.6–5.5 × 1.3–1.6mm. Filaments subulate, 1.25–1.5 × as long as perianth segments,connate at base and adnate to perianth segments; innerones entire or 1-toothed on each side at base. Ovary obovoid tosubglobose, with concave nectaries at base. Style exserted. Fl.Aug.Meadows, dry pastures, high plains, mountain slopes; 1100–2700m. N and W Xinjiang [Kazakstan, Kyrgyzstan, Mongolia, Russia, Tajikistan].1a. Inner filaments entire .................... 72a. var. hymenorhizum1b. Inner filaments 1-toothed on eachside at base ............................................ 72b. var. dentatum72a. Allium hymenorhizum var. hymenorhizum北 疆 韭 ( 原 变 种 ) bei jiang jiu (yuan bian zhong)Allium macrorrhizum Boissier (1854), not A. macrorhizonRegel (1875).Inner filaments entire. Fl. Aug.Meadows, high plains, mountain slopes; 1100–2700 m. N Xin-