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Castilleja purpurea   (Nutt. ) G. Don  var. citrina  (Pennell ) Shinners
Barber County, Kansas
Height: 4-16 inches
Family: Scrophulariaceae - Figwort Family
Flowering Period:   April, May, June
Stems: Erect or ascending, clustered, simple to few-branched, woolly-hairy.
Leaves: Alternate, simple, sessile, linear to lanceolate, 1.25 to 2.5 inches long, with 1-3 pairs of narrow lateral lobes.
Inflorescences: Spikes, dense, bright yellow or greenish yellow, terminal.
Flowers: Subtended by prominent, leafy bracts, 1 or 2 pairs of narrow lobes at sides, tips lemon yellow; calyces 1 to 1 1/3 inches long, cleft into lobes that terminate in linear-lanceolate segments, concealing corollas; corollas 2-lipped, upper lip folded, longer than lower lip, deep green with yellow margins, lower lip widely flaring, green with yellow tip; stamens 4, in 2 pairs.
Fruits: Capsules, egg-shaped, woody; seeds numerous, small, angular.
Habitat: Dry rocky or sandy bluffs and prairie hills.
Distribution: Principally southwest 1/4 of Kansas.
Comments: Lemon paintbrush is partially parasitic on the roots of other plants.

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