Synthyris dissecta
Bull. Torrey Bot. Club 36: 691. 1909.
Leaves persistent, some withering in 2d year as new leaves expand; blade oblong-ovate to ovate, 25+ mm wide, not leathery, base lobate, margins 1-pinnatifid or 2-pinnatifid, ultimate lobes oblanceolate to lanceolate or linear, teeth apices obtuse, surfaces glabrous, sparsely hairy, puberulous, sparsely villous, or tomentose; basal veins extending through proximal 1/2 of blade, lateral-veins 2–4 on each side of midvein. Racemes erect, to 15 cm in fruit; sterile bracts 3+, ovate-spatulate, largest 1+ cm; flowers 10–30, loosely aggregated. Sepals 4. Petals (3 or) 4 (or 5), apex entire or erose, adaxials flat; corolla blue, ± regular, campanulate, much longer than calyx, glabrous, tube conspicuous. Stamens epipetalous. Ovaries pilose to tomentose; ovules 10–16. Capsules hairy.
Phenology: Flowering May–Jul; fruiting Jun–Sep.
Habitat: Treeline to alpine tundra.
Elevation: 1600–3000 m.
Discussion
Synthyris dissecta is found in east-central Idaho and southwestern Montana.
Selected References
None.