Ranunculus repens

L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Ranunculopsida Order: Ranunculales Family: Ranunculaceae Genus: Ranunculus

butter daisy, creeping buttercup

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Description

Key Characters:

Growth Form: Stoloniferous and rhizomatous perennial herbs.

Stems: Stems prostrate or weakly erect, 1–9 dm long, sparsely to densely hirsute.

Roots: If stem prostrate roots at least at the lower nodes.

Leaves: Leaves compound (ternate)(Basal). Cauline Alternate. Leaflets broadly ovate, leaflets 1.5–8 cm long and wide. Surfaces sparsely to moderately appressed pubescent. Margins deeply lobed or divided and toothed; cauline leaves margins entire or serrate. Petiolate. Stipules absent or minute.

Flowers: Flowers few in cymes. Flowers bisexual (perfect), actinomorphic. Calyx of 5 sepals, green or purple–tinged, lanceolate, 5–8 mm long, spreading or erect. Corolla of 5–7 petals; petals yellow, obovate–cuneate, 5–13 mm long, base with a truncate nectary scale. Stamens (5–)numerous; anthers dithecal, opening by a longitudinal slit. Ovary superior; carpels numerous, each 1-celled.

Fruit: Achenes 20–25 in a subglobose head; obovoid; 2.5–3 mm long; margined; the faces smooth; beak ca. 1 mm long; tapering from a broad base; recurved. Seeds with a copious endosperm and small embryo.

Ploidy: 2n = 12; 14; 16; 18; 20; 24; 28; 32

Habitat: Fields and pastures; sometimes in disturbed wet forest along streams.

Elevation Range: 600–1,460 m.

Historical Distribution

Images

Synonyms (49)

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Hawai'i Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: Sp. Pl.: 554 (1753)

Other References

Wagner et al. 1990:1090 (H)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Ranunculus repens Kohala Mountains, beginning of access road to upper Hamakua ditch, just below Waimea reservoir In a cow pasture. Preserved_Specimen Wagner, W.L. 5547 Hawaii BISH 1985-06-24
2 Ranunculus repens Puu Mala; S Kohala Pasture of Pennisetum clandestinum. Preserved_Specimen Nagata, K.M. 4301 Hawaii BISH 1994-03-26
3 Ranunculus repens Kohala mountains, Kahua Ranch, near start of Kehena Ditch Trail In shallow gulch. On edge of dense Metrosideros rain forest with understory of Cheirodendron, Gouldia, Myrsine, ect. Preserved_Specimen Davis, J. 890 Hawaii BISH 1982-05-08
4 Ranunculus repens S.Kohala Dist., Puu Kapu Ahu, Kohala mtns, N.E. of Kohakohau St. & S.E. of Puu Kaiholena; growing by running river Wet ohia forest with other native trees. Preserved_Specimen Stemmermann, R.L. 3978 Hawaii BISH 1981-01-01
5 Ranunculus repens Paauhau Paddock Waimea, Hamakua Common in local patches Preserved_Specimen Hosaka, E.Y. 2265 Hawaii BISH 1938-06-09
6 Ranunculus repens Hualalai, W.slope, Honokahau Frank Greenwell's paddocks Preserved_Specimen Kondo, Y. Hawaii BISH 1946-07-26
7 Ranunculus repens N.W. slope Hualalai, Huehue Ranch, Hawaii kipuka at approx. 4000 ft Preserved_Specimen Greenwell, A.B.H. 21394 Hawaii BISH 1951-04-25
8 Ranunculus repens Koa Mill, Alika Homesteads, in open pasture Preserved_Specimen St.John, H. 22476 Hawaii BISH 1946-12-30
9 Ranunculus repens Kohala Mts., Kawaihae, Puu Ahia, pasture at edge of wet forest Preserved_Specimen St.John, H. 11496 Hawaii BISH 1932-01-02