Bot. Jahrb. Syst. 44: 461, 483. 1910.
Herbs, perennial, 4–11 dm; herbage light green to dark green, glabrate. Leaves: petiole length 1/3–1/2 blade; blade ovate to lanceolate, 5–8 (–11) cm, length 2–2.5 times width, base truncate, margins serrate to dentate. Pedicels relatively stout, glabrate or stipitate-glandular. Flowers: corolla bright red, unicolored, (10–) 13–21 mm, throat narrow; staminode obovate, length greater than width. 2n = 92.
Phenology: Flowering Jul–Oct.
Habitat: Rocky slopes, canyon bottoms, pinyon-juniper woodlands, lower montane coniferous forests.
Elevation: 2000–2500 m.
Scrophularia macrantha has been called S. coccinea A. Gray, an illegitimate later homonym of S. coccinea Linnaeus. Scrophularia macrantha is known from Grant and Luna counties.
"greater than width" is not a number.