Heliopsis

prolific weedy annual on flat plains of a large bolson (Los Llanos), in silty, slightly saline, gyp-calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub.

Cultivated plant

Flower head has finished flowering and ray limbs are becoming papery

prolific weedy annual on flat plains of a large bolson (Los Llanos), in silty, slightly saline, gyp-calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub.

Cultivated plant

prolific weedy annual on flat plains of a large bolson (Los Llanos), in silty, slightly saline, gyp-calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub.

prolific weedy annual on flat plains of a large bolson (Los Llanos), in silty, slightly saline, gyp-calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub.

Cultivated plant

Leaves below peduncle have been broken off to expose phyllaries; leaf petiole bases remain

prolific weedy annual on flat plains of a large bolson (Los Llanos), in silty, slightly saline, gyp-calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub.

Cultivated plant

Cultivar 'Loraine Sunshine'

plants on flat plain of a large bolson in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area made rich with diverse annual forbs by recent heavy rains and patches of undisturbed native desert scrub. Site is located just inside (ca. 50 m) the state line.

prolific weedy annual on flat plains of a large bolson (Los Llanos), in silty, slightly saline, gyp-calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub.

Cultivar 'Loraine Sunshine'

plants on flat plain of a large bolson in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area made rich with diverse annual forbs by recent heavy rains and patches of undisturbed native desert scrub. Site is located just inside (ca. 50 m)the state line.

prolific weedy annual on flat plains of a large bolson (Los Llanos), in silty, slightly saline, gyp-calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub.