阿尔套鹤虱 a er tao he shi

Lappula rupestris (Schrenk) Gürke var. alatavica Popov in Komarov, Fl. URSS 19: 457. 1953; L. scleroptera C. J. Wang.

Herbs biennial. Main root conical, stout. Stems 5 or 6, diffuse, slightly branched above, 10-14 cm tall, gray strigose. Basal leaves forming a rosette; leaf blade linear-spatulate, rarely linear-lanceolate, 1-3 cm × 2-4 mm, strigose, abaxially more densely pubescent, base attenuate, margin ciliate, apex obtuse; stem leaves smaller, oblong, 5-10 × 2-3 mm. Inflorescences to 12 cm in fruit; bracts leaflike on lower part of inflorescences, oblong, ca. 5 mm; upper bracts linear, ca. 0.3 mm. Fruiting pedicel 1.5-2.5 mm. Calyx lobes linear, 2-2.5 mm, to 3-4 mm in fruit, apex obtuse. Corolla light blue, 4-5 mm; tube ca. as long as calyx; throat appendages trapeziform, ca. 0.8 mm; limb 5-6 mm wide; lobes divaricate, obovate. Nutlets 2.5-3 mm, heteromorphic, granulose; 2 nutlets with a single row of glochids along disc margin; glochids leathery, 1-1.5 mm, bases widened and confluent into a narrow wing, sometimes with several short glochids along center line; remaining 2 nutlets wingless, with few glochids or glabrous along disc. Gynobase surpassing nutlets by ca. 0.8 mm. Fl. and fr. Jul-Aug.

Arid alluvial mountain terraces; ca. 2500 m. Xinjiang (Hejing Xian) [Kazakhstan, Russia, Tajikistan, Turkmenistan, Uzbekistan].