Compositae
Showing 37–48 of 56 results
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Madia glomerata / mountain tarweed
- stems, leaves, flowers - strongly aromatic, like tar
- sticky glandular hairs cover foliage and floral bracts
- flowers in clusters with 1 to 3 yellow ray florets
- disk florets retain visible petals; black stamens
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Packera cana / woolly groundsel
- yellow, daisy-like blossoms with 8-13 ray florets ("petals")
- golden, central disks
- blossoms in flat-topped clusters of up to 15
- mostly basal leaves - unlobed, hairy, ovate, up to 2 inches long
- overall silvery appearance
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Packera multilobata / lobeleaf groundsel
- deeply lobed leaves, mostly at the base of the plant
- bright yellow daisy-like flowers, 10-30 in a cluster per plant
- orange-yellow disk florets
- woodlands, foothills, and generally dry/ sandy/ rocky places.
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Packera pseudaurea / falsegold groundsel
- yellow, flat-topped cluster of daisy-like flowers
- oval, erect basal leaves with long petioles and round/blunt-toothed edges
- generally in moist to wet habitats
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Packera streptanthifolia / Rocky Mountain groundsel
- yellow-flowered composite; "flowers" on branched inflorescence
- 8-13 half-inch ray florets, usually spaced apart
- thick, spatula-shaped basal leaves without teeth or clefts
- thin, often deeply lobed stem leaves
- dry woodlands and rocky places
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Rudbeckia occidentals / western coneflower
- dark cone-shaped flower head - like a sunflower without petals
- ring of yellow "bumps" visible during pollination time
- "cones" about 1" but double that when in seed.
- usually a tall plant with sunflower-like leaves
- alternate (not opposite) leaves
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Senecio integerrimus / tall western groundsel
- early spring to early summer, often with larkspur
- bright yellow flower head with several, disheveled looking blossoms
- only 5-13 ray florets (petals)
- cobwebby hairy basal leaves, especially when young
- seasonally moist areas, from sagebrush to higher parts of the fen
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Senecio triangularis / arrowleaf ragwort
- leafy stems with arrow-shaped, coarse-toothed leaves
- often in large patches on moist soil
- clusters of yellow flower heads, each with 8-ish untidy ray florets
- numerous green involucral bracts, sometimes with black tips
- largest leaves occur mid-stem
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Solidago canadensis / goldenrod
- large sprays of yellow flowers in late summer and fall
- often tall and in large colonies
- lance-shaped, toothed leaves
- mostly (but not always) in disturbed areas
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Solidago missouriensis / Missouri goldenrod
- perennial herb, up to 40" tall
- inflorescence is a branching panicle with many (≥200) yellow flower heads
- involucres are ¼ long with 3 or 4 layers of narrow, pointed, hairless, yellow-green bracts
- leaves are thin and lanceolate, upright and rigid with prominent midribs
- upper leaves have pronounced but small teeth
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Solidago multiradiata / alpine goldenrod
- the only (?) goldenrod at alpine altitudes
- clusters of 5-100 small, yellow composite flowers with a dozen-ish rays and 3 doz disc florets
- medium green lance/spoon shaped leaves, bigger at base of the plants; toothed/hairy edges
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Sonchus arvensis / field sowthistle
- yellow dandelion-like
- multiple flowers per stalk
- often in patches in wet fields
- leaves spiney but without lobes, clasping the stems
- often several stems from a single point at the soil level
Showing 37–48 of 56 results