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Ranunculus pusillus Poiret. Subgenus: Auricomus. Section: Flammula. Common name: Low Spearwort, Small Spearwort. Phenology: Apr-Jun. Habitat: Marshes, ditches, other wet habitats. Distribution: S. NY south to c. peninsular FL, west to c. TX, north in the interior to OH, IN, and MO.

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, C, F, Fl2, FNA3, G, GW2, Il, K4, Mo3, NcTx, NY, Pa, POWO, RAB, S13, Tat, Tn, Tx, Va, W, WH3, WV, Keener (1976); > Ranunculus lindheimeri Engelm. — S; > Ranunculus oblongifolius Elliott — S, S13; > Ranunculus pusillus Poir. — S, S13; > Ranunculus pusillus Poir. var. angustifolius (Engelm.) L.D.Benson — NS; > Ranunculus pusillus Poir. var. pusillus — NS; > Ranunculus tener C.Mohr — S, S13; Ranunculus pusillus Poir. Basionym: Ranunculus pusillus Poir. 1804

Links to other floras: = Ranunculus pusillus - FNA3

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily ⓘ: 6

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image of plant© Alan Cressler: Ranunculus pusillus, Gabbro Glades, Oconee National Forest, Jasper County, Georgia 1 by Alan Cressler source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Alan Weakley source | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect or ascending, colonial annual of marshes, ditches, depression pools and other shallowly seasonally flooded, muddy habitats.

Stems: Stems weak, simple or loosely branched, smooth and sometimes with a white-waxy coating.

Leaves: Basal leaves petiolate (winged-clasping base), lance-oval, 1/3-1 in. long, entire; upper leaves alternate, short-petiolate to sessile, linear to narrowly oblong, sometimes remotely toothed.

Inforescence:

Flowers: Flowers in terminal and axillary racemes; pale yellow; less than 1/4 in. wide; consisting of 1-3 pale yellow petals, 5 slightly smaller yellowish-green sepals, and a central green, compound ovary ringed by a few stamens.

Fruits: Fruit a button-like clump of tiny, brown achenes.

Comments:

Height: 4-20 in.

plant sale text:

bloom table text:

description: Erect or ascending, colonial annual of marshes, ditches, depression pools and other shallowly seasonally flooded, muddy habitats.

stems: Stems weak, simple or loosely branched, smooth and sometimes with a white-waxy coating.

leaves: Basal leaves petiolate (winged-clasping base), lance-oval, 1/3-1 in. long, entire; upper leaves alternate, short-petiolate to sessile, linear to narrowly oblong, sometimes remotely toothed.

inflorescence:

flowers: Flowers in terminal and axillary racemes; pale yellow; less than 1/4 in. wide; consisting of 1-3 pale yellow petals, 5 slightly smaller yellowish-green sepals, and a central green, compound ovary ringed by a few stamens.

fruits: Fruit a button-like clump of tiny, brown achenes.

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cultural notes:

germination code:

native range:



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