ROCK BUTTERCUP
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| File Size: 37 KB |
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Ranunculus micranthus Nutt.
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| Johnson County, Kansas |
| Perennial |
| Height: 4.4 to 16 inches tall |
| Family: Ranunculaceae - Buttercup Family |
| Flowering Period: April, May |
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| Stems: | | Erect, lower portion soft-hairy. | | Leaves: | | Basal leaves persistent, circular or mostly egg-shaped in outline, .4 to 1.2 inch long and wide, sparsely soft-hairy; some blades deeply 3-5-lobed; margins scalloped; bases cut straight across to broadly rounded; tips rounded-blunt; stem leaves deeply divided, sessile to nearly sessile, often 3-5-cleft; segments varying; upper stem leaves reduced to bracts above. | | Inflorescences: | | Flowers borne singly on terminal and axillary stalks; 8-35-flowered. | | Flowers: | | Stalks glabrous or soft-hairy; sepals 5, 1/12 to 1/6 inch long, greenish-yellow, back side glabrous or pubescent; petals 5, inconspicuous, shorter than sepals, yellow, fading white. | | Fruits: | | Achenes, 10-40, tiny, glabrous, dull, in spherical to cylindrical heads. | | Habitat: | | Open or rocky woods, shaded bluff ledges, meadows, clearings; moist or dry rocky or alluvial soils. | | Distribution: | | Easternmost tier of counties in Kansas | | Origin: | | Natve | | Comments: | | Similar to early wood buttercup, Ranunculus abortivus, but leaves, sepals, and fruiting heads smaller. |
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| Rock buttercup |  | | 37 KB | | Johnson County, Kansas |
| | Rock buttercup |  | | 49 KB | | Johnson County, Kansas |
| | Rock buttercup leaf |  | | 49 KB | | Johnson County, Kansas |
| | Rock buttercup stem |  | | 53 KB | | Johnson County, Kansas |
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