Perennial, 7-25 cm. tall, with several to many striate close-set to ± fastigiate stems and branches, decumbent at base, then erect. Basal lvs lingulate or linear-spathulate, obtuse, rather crowded; lamina ± 15-20 × 4-5-(6), often ± wrinkled, on flat petiole up to 15 mm. long. Cauline lvs rather narrower, several to many, subacute, with flat petiole. Infl.-branchlets ± appressed to stem for upper 3/4 length, forming a narrow trichotomous cyme. Fls 6-8 mm. long, shortly pedicelled, bracted, solitary, axillary or on short 3-5-fld branchlets. Calyx < corolla, cut nearly to base into linear-oblong to sublanceolate, subacute lobes. Corolla narrow, white or with red streaks, cut c. ⅔ way into linear-oblong lobes.