Monochasma sheareri (S.Moore) Maxim. ex Franch. & Sav.

Annuals (?), sparsely woolly below middle, apically pubescent to subglabrous and green. Leaves subalternate apically on stem; leaf blade linear or linear-lanceolate, usually 2-3 cm X 2-3 mm, ca. 2 X 1 mm below. Pedicel 2-5 mm. Calyx cylindric; tube 4-5 mm, after flowering inflated to 6-10 mm and 4-winged; lobes 4, 8-10 X 1-1.5 mm, subequal, after flowering to 1.4-2 cm X ca. 3 mm. Corolla purplish; tube ca. 5 mm. Stamens included to scarcely exserted. Capsule 6-8 X 3-5 mm.