Also known as Painted Cup, the Castilleja is an annual or biennial herb with a glabrous to pubescent stem, entire to three-lobed leaves, and a dense spike of small, scarlet flowers, Indian paint
brush is designated endangered. Indian paintbrush is most easily recognized when in bloom, from late May through June. It requires considerable sunlight, and is typically found in open habitats among plants similar in size. Though it may be a poor competitor, this plant is partially parasitic, and requires host species (typically other herbs, ox-eye daisy, wild strawberry or low growing grasses) for optimum health. Butterfly magnet.