AMARANTHACEAE, the amaranth and quinoa family.
Dysphania graveolens, quite rich in betalains:
ASTERACEAE, the sunflower family.
Cirsium scopulorum, of the southern Rocky Mountains:
Lygodesmia grandiflora, a gorgeous cichorioid of the greater Four Corners:
BRASSICACEAE, the mustard family.
Stanleya pinnata (Brassiaceae), of drylands of the western U.S.A.:
CACTACEAE, the cactus family.
Pediocactus simpsonii, of dry slopes and openings of the greater Rocky Mountains of U.S.A.:
Rhodiola rhodantha, the 5 separate carpels developed into follicles:
HYDRANGEACEAE, the hydrangea family.
Fendlera rupicola, an attractive shrub of pinyon-junipers lands and canyons:
ONAGRACEAE, the evening primose family.
Oenothera harringtonii, narrowly endemic to southeastern Colorado:
Pedicularis groenlandica, a common lousewort of the southern Rockies:
Papaver kluanense, an endearing alpine poppy of the Rocky Mountains:
PLANTAGINACEAE, the plaintain family.
Penstemon buckleyi, endemic to the grasslands of south-central North America:
Phlox condensata, of the broader southwest of North America.
PRIMULACEAE, the primrose family.
Primula parryi, presenting one of the showiest flowers for its altitude in the southern Rockies:
RANUNCULACEAE, the buttercup family.
Delphinium alpestre, an endemic alpine larkspur of the southern Rocky Mountains:
ROSACEAE, the rose family.
Dryas hookeriana, perhaps an alpine limestone lover:
RUTACEAE, the citrus family.
Ptelea trifoliata, 1 of only 2 native citruses of cool and semiarid Colorado. Note the pellucid glands/punctations:
Quincula lobata, a monotypic genus restricted to the high plains and deserts of southwestern North America: