中亚荩草 zhong ya jin cao

Pleuroplitis centrasiatica Grisebach in Ledebour, Fl. Ross. 4: 477. 1853; Arthraxon centrasiaticus (Grisebach) Gamajuova; A. ciliaris P. Beauvois var. centrasiaticus (Grisebach) Hackel; A. hispidus (Thunberg) Makino subsp. centrasiaticus (Grisebach) Tzvelev; Pleuroplitis langsdorffii Trinius var. centrasi-atica (Grisebach) Regel.

Leaf blades lanceolate, 1–3 cm, sparsely hispid on both surfaces, margins pectinate with tubercle-based bristles for most of length from base; awn well developed, long exserted. Fl. and fr. Aug–Sep.

Moist places. C, E, and N China [Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan; C and SW Asia].

This is a primarily C Asian variant, now adventive elsewhere.