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Castilleja

Reference: Chuang and Heckard (1991).

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C. septentrionalis
1a. Foliage leaf blades entire [Fig. 750]; bracts entire or 1- to 3-toothed [Fig. 750], white to yellow (rarely purple-tinged); plants perennial
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1b. Foliage leaf blades 3- to 9-cleft or infrequently entire; bracts 3- to 9-lobed, red, purple, or yellow (rarely white); plants annual or biennial
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  C. coccinea
  2a. Upper lip of corolla (i.e., the galea) more than 3 times as long as the lower lip; lower lip of corolla lacking pouches, tipped with 3 highly reduced teeth that are incurved
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  C. exserta
  2b. Upper lip of corolla much less than 3 times as long as the lower lip; lower lip of corolla evidently pouched, tipped by 3 small, but evident, erect, petaloid lobes

Show photos of: Each photo represents one species in this genus.