Family: Orobanchaceae Vent.; Scrophulariaceae Juss.
Orthocarpus luteus
Distribution: Mostly western part of North America, from Yukon and Northwest Territories, British Columbia to Western Ontario, and in US west of Minnesota, Nebraska, Colorado and New Mexico.
Ecology: Dry prairie grasslands, from 500 to 2000 m. Blooms from June to August.
Orthocarpus luteus
Description: Perennial herb, 10–40 cm tall, simple or branched, covered with glandular hairs, from slender taproot. Leaves alternate, sessile, numerous, linear to lanceolate, 1–5 × 1–4 cm, margins smooth, hairy. Inflorescence is a terminal spike, 5–15 cm long; 3-lobed bracts; flowers golden yellow, 10–15 mm long, 2-lipped; sepals 4; petals 5, hairy; stamens 4; pistil 1. Fruit is a capsule, 5–7 mm long.
Note: The genus Orthocarpus contains about 10 species from the western part of North America.
Orthocarpus luteus
Orthocarpus luteus
Orthocarpus luteus
Orthocarpus luteus
Orthocarpus luteus
These images were taken in Canada, Alberta, Millarville (August 2011).