disturbed

Showing 25–36 of 79 results

Delphinium nuttallianum / upland larkspur
- Bright blue flowers, sometimes whitish or other color petals in center
- One or several flowers per stalk
- Long spur "behind" the flower
- Leaves mostly low on the stem - divided into several or many lobes
- Open meadows, near streams, with sagebrush, any elevation
- Beginning soon after snowmelt and sometime persisting into September
Descurainia pinnata / western tansy mustard
- another stupid yellow crucifer
- erect stem, up to 30 inches
- deeply lobed leaves, without petioles up-stem
- often near or under sagebrush, otherwise dry, disturbed and crappy soils
Dianthus armeria / Deptford pink
- PINK! 5 petaled, very small flowers
- Toothed edges; white spots on petals, numerous stamens
- Linear, opposite leaves; bases make sheath around stem
- Disturbed areas; happy enough in the worst of soils
Equisetum arvense / field horsetail
- segmented brown stems with spore-bearing "cone" at the tip
- or - segmented green stem with thin green branches radiating from nodes
- distinctly visible nodes along the stems
- no leaves or flowers
- found in many different habitats
Erigeron divergens / spreading fleabane
- very small aster with many ray florets (petals)
- flowering stems have as many as 100 very small flowers
- leaves are hairy
- highly drought tolerant
Erysimum cheiranthoides / wormseed wallflower
- yellow, 4-petaled flower, less than 1/3 inch across
- lance shaped or elliptical, sessile leaves varying little in size or shape
- leaf margins entire or coarsely toothed
- ribbed stems
- ascending or erect siliques with short pedicels
- disturbed and waste areas
Eurybia integrifolia / thickstem aster
- purple composite with 10-20 ray florets
- entire, elongated leaves with short or no petioles
- exposed areas, mountain slopes, dry meadows, roadsides
- flowers in late summer and into September
Grindelia squarrosa / Curly cup gumweed
- small-ish yellow flowers
- button-like buds
- attractively compact, globe-shaped plant
Hackelia micrantha / Jessica sticktight
- teeny blue flowers with yellow/white centers
- flowers appear singly or in groups above developing fruit
- inflorescence mostly on one side of the stem
- lower leaves long and narrow; upper leaves fewer and sessile
- fruit a pointy and tenacious nutlet
Helianthus annuus / sunflower
- tall with big, drooping leaves (up to 15x15 inches)
- large sunflower like flowers - yellow petals, darker disk
- disturbed edges and waste areas, roadsides, near crops
Hesperis matronalis / dame’s rocket
- biennial, 3+ feet tall in second year
- 4-petaled flowers, especially purple or lavender
- large inflorescences with many flowers
- garden escapee
- roadsides, waste places
Heterotheca villosa / hairy goldenaster
- yellow composite with 10-20 ray florets, orange-brown disk
- hairy leaves and stems
- blooms throughout season, often densely
- disturbed and challenging habitats