Orthocarpus luteus

A small plant of high-elevation meadows. O. purpureo-albus occurs in the same habitats but has flowers that are white with a purple galea. Cordylanthus can also be similar but have two-parted, rather than four-parted, calices.

Flowers, Kaibab Plateau, 8 Aug 2006.

Fruiting calyx & cauline leaf, Kaibab Plateau, 8 Aug 2006.

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