Compositae
Showing 13–24 of 56 results
-
Balsamorhiza macrophylla / cutleaf balsamroot
- large, yellow, sunflower-like blossom
- large, dissected/lobed/compound-looking leaves
- up to 40" tall
- roadsides or hillsides with arrowleaf balsamroot and Wyethia
-
Balsamorhiza sagittata / arrowleaf balsamroot
- large, bright yellow, sunflower-like blossoms in early spring
- very large, more or less triangular basal leaves
- leaves appear silvery, or grey-green due to leaf hairs
- on open, fairly dry hillsides and ridges, often with sagebrush
-
Carduus nutans / musk thistle
- quite large, very purple flower heads
- spiny everything... leaves, stems, bracts
- biennial - large rosette of nasty leaves in first year
- dandelion-like fruit that flies away like the down of a thistle
- disturbed lands... pastures, wastelands, roadsides, construction sites
-
Centaurea maculosa / spotted knapweed
- "vibrant" pink flowers
- dark tips on the sepals ("bud scales") - the "spotted" in the name
- biennial - rosette of leaves in first year
- officially a noxious weed
-
Chaenactis douglasii / Douglas dusty maiden
- leaves "woolly" or hairy; intricately divided
- leaf and lobe tips curled or twisted
- flowering stems coated with "cobwebby" hairs
- flower heads of white/pinkish tubular disk florets in a glandular cup
- forked styles protrude past tubes
- often in rocky areas and crevices
-
Cirsium arvense / Canada thistle
- purple or lavender clearly-thistle flower heads
- multiple small flower heads per stem
- deeply lobed, spiny leaves, but stems not spiny
- clonal and perennial
- in clumps or along roads, sometimes quite large/long
-
Cirsium hookerianum / Hooker’s thistle
- clearly a thistle, but with white flowers
- native but not plentiful
- seen at Mahogany Creek in mid-August
-
Cirsium scariosum / elk thistle
- usually tall, quite prickly thistle with deeply lobed, spiny leaves
- large, lavender (pink to purple) flowers hidden by the long leaves
- covered with white hairs giving it a silvery look overall
- in moist areas, in full sun
-
Cirsium vulgare / bull thistle
- very nasty spines all over, including stems
- purple flower head over pear/egg-shaped narrow, spiny bracts
- fruits are thistle-downy
- disturbed areas, but also forest gaps, stream sides and seeps
-
Crepis acuminata / tapertip hawksbeard
- leaves (diagnostic) - long; many deep triangular, pointed lobes; upright, grey-green; milky sap
- flowers - 5-10 rays, no disc florets; yellow; up to 70 per plant
- dry, open places in foothills; commonly with sagebrush
-
Doellingeria engelmannii / Engelmann’s aster
- shade tolerant - in mountain woods and meadows
- late summer/autumn blooming
- each blossom/flower has only a few curly rays around a yellow disk
- ray florets mostly white, but possibly pink or blue
- ovate leaves, mostly hairless and sessile; prominent veins.
-
Ericameria nauseosa / rubber rabbitbrush
- golden-yellow flower heads in profusion
- small 5-petaled flowers
- widespread shrub
- very narrow, linear leaves
- white sticky sap ("rubber")
Showing 13–24 of 56 results