ABSTRACT
Calyx bottle-shaped. Corolla very small, about 1 mm in diam. Erema (nutlets) 0.7-0.8 mm long 15. M. stricta.
6. Rhizome long, funiform, issuing a single flowering and some compactly leafy barren orthotopic shoots 7.
+ Rhizome long, slender or thickened, issuing some fertile and fruit-bearing shoots 8.
7. Orthotropic loosely arranged shoots. Corolla 6-7 mm in diam., tube as long as calyx 11. M. krylovii.
+ Orthotropic short-aggregated shoots. Corolla 4-5 mm in diam., tube considerably longer than calyx 12. M. pseudovariabilis.
8. Tall, 35-40 cm, strong plant. Rhizome stout, contracted, 6-8 mm in diam. Stems aggregated, strong, sulcate 4. M. austrobaicalensis.
