autumn dwarf gentian
[Amarella scopulorum Greene, more]
PLANTS: Annuals 5-45 cm tall. STEMS: rectangular, simple or branched. LEAVES: basal leaves elliptic to oblanceolate; cauline leaves 3.5-4.5 cm long, lanceolate to oblanceolate, somewhat clasping. FLOWERS: axillary, I-several in simple or compound umbellate cymes; calyx deeply divided, the tube ca. 1 mm long, the lobes variable in size, 1 usually large and foliaceous often enclosing the others, the margins entire; corolla 11-18 mm long, the tube 6-11 mm long, the lobes 3-7 mm long, the coronal hairs united forming a scale. NOTES: See the parent taxon for further description. Wet areas in mountain forests of aspen, pine or spruce and on gravelly slopes above timberline: Apache, Coconino, Greenlee cos.; 2500-3550 m (8400-11700 ft); Jun-Sep; CO, NM, NV, UT.