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FOC | Family List | FOC Vol. 24 | Amaryllidaceae | Ixiolirion

1. Ixiolirion tataricum (Pallas) Herbert, Appendix. 37. 1821.

鸢尾蒜 yuan wei suan

Corms ovoid, 1.5--2.5 × 2(--2.5) cm; tunic brown, longitudinally striate. Basal leaves usually 3--8, linear. Flowering stem 10--40 cm, base with 1--3 smaller leaves; bracts smaller than involucres, membranous. Inflorescence an umbel or short raceme, 3--6-flowered, sometimes basal leaf axil of flowering stem with 1--3 additional flowers; involucres 2 or 3, white or green, lanceolate, to 3.5 cm, membranous, apex acuminate and aristate. Pedicels unequal. Perianth azure to dark violet or light blue; segments spreading, free, sometimes laxly connivent proximally into a ca. 1 cm long pseudotube, oblanceolate to narrowly so, 2--3.5 cm × 1--7 mm, veins 3--5 at middle, apex subacute. Stamens unequal, outer ones longer than inner; filament purple, subfiliform, glabrous; anther basifixed, straight. Fl. Apr--Jun.

Valleys, stony slopes, sandy places, waste grasslands. N Xinjiang [Afghanistan, Kazakhstan, Kyrgyzstan, Pakistan, Russia, Turkmenistan].

1 Perianth azure to dark violet, segments not connivent proximally into a pseudotube   1a var. tataricum
+ Perianth light blue, segments laxly connivent proximally into a ca. 1 cmlong pseudotube   1b var. ixiolirioides


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