Clarkia subsect. Xantianae K. E. Holsinger

Inflorescences: axis erect; buds pendent. Flowers: floral tube obconic to campanulate, 2–5 mm; sepals reflexed together to 1 side; petals pale to pink-lavender or reddish purple, white near base and red-flecked or upper petals with a white-bordered dark spot (C. xantiana), fan-shaped, unlobed or shallowly 2-lobed, with subulate tooth in sinus, claw inconspicuous (conspicuous in C. xantiana); stamens 8, in 2 unequal sets, outer anthers with lavender to purple pollen, inner shorter, with cream pollen. Capsules terete, 4-grooved, or conspicuously 8-ribbed (C. xantiana); sessile or subsessile to long-pedicellate.

Species 3 (3 in the flora): California.

SELECTED REFERENCE Sytsma, K. J. and L. D. Gottlieb. 1986. Chloroplast DNA evolution and phylogenetic relationships in Clarkia sect. Peripetasma (Onagraceae). Evolution 40: 1248–1261.