img

Ranunculus mauiensis

A.Gray (1854)

This name is accepted

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

‘awa kanaloa [awa kanaloa], makou

Description

Key Characters:

Growth Form: Erect to weakly ascending perennial herbs 5–20 dm tall.

Stems: Stems sparsely to densely pubescent with scattered whitish, appressed to spreading hairs.

Roots: Fibrous root system.

Leaves: Leaves compound (ternate). Cauline Alternate. Leaflets broadly ovate to deltate, leaflets usually 7–16 cm long, 4–13 cm wide, the terminal one largest. Surfaces sparsely to moderately strigose. Margins irregularly and coarsely sharply serrate and lobed; cauline leaves margins entire or serrate. Petiolate. Stipules absent.

Flowers: Flowers few, in dichotomously branched, loose cymes. Flowers bisexual (perfect), actinomorphic. Calyx of 5 sepals, lanceolate to ovate, ca. 4– 5 mm long, reflexed. Corolla of 5 petals, yellow and glossy on upper surface, obovate, 3.5–4.5 mm long. Stamens (5–)numerous; anthers dithecal, opening by a longitudinal slit. Ovary superior; carpels numerous, each 1-celled.

Fruit: Achenes numerous in a globose head; obovate–suborbicular; 2–2.2 mm long; glabrous; slightly margined; the faces smooth or minutely pitted; beak straight or slightly curved; 0.6–0.9 mm long. Seeds with a copious endosperm and small embryo.

Ploidy: 2n = ca. 34*; ca. 36*; ca. 39*

Habitat: Open sites in mesic to wet forest and along streams;.

Elevation Range: 1,060–1,710 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic
O'ahu Endemic
Molokai Endemic
Maui Endemic
Hawai'i Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: U.S. Expl. Exped., Phan. 1: 11 (1854)

Other References

Wagner et al. 1990:1089 (K, O? [reported by Hillebrand in 1888 from Mount Ka‘ala], Mo, M, H); Hillebrand 1888 (O†, 1871); Matt Keir pers. comm. 2025 (Mo†, 2006)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Vegetation: Metrosideros-Acacia Montane Mesic Forest with Ilex, Coprosma, Myrsine, Cibotium, Diplazium, Pipturus, Rubus, Pteris, Cibotium, Dryopteris, Elaphoglossum, Cyrtandra, Coniogramme, Holcus, Anthoxanthum, Pennisetum, Adiantum. Preserved_Specimen Oppenheimer, H.L. 81905 Maui BISH 2019-08-21
2 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details in dense shade along bottom of intermittent watercourse. Vegetation: Metrosideros, Cheirodendron, Ilex, Coprosma, Sadleria, Scaevola, Hydrangea, Cyrtandra, Ctenitis, Selaginella, Menisciopsis, Hoiokula, Pteris, Clermontia, Rubus, Deparia, Preserved_Specimen Oppenheimer, H.L. 92310 Maui BISH 2023-09-15
3 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details On edge of woods, in open area (no blackberry vines), with Carex, Smilax, Pelea, Santalum, lehua. Preserved_Specimen Pearsall, G.A. 413 Kauai BISH 1959-07-09
4 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Off road about 200' inland. Preserved_Specimen Corn, C. Kauai BISH 1982-08-22
5 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Growing under Styphelia. Preserved_Specimen Greenwell, A.B.H. 9 Hawaii BISH 1950-11-13
6 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Rainforest. Preserved_Specimen Degener, O. 18537 Maui BISH 1927-07-23
7 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Single plant in pohole patch in grassy bowl E of drainage, few more plants in pohole patch upstream in main drainge E bank. Remnant Mesic forest: Acacia koa, Myrsine lessertiana, Metrosideros, Dodonaea, Ilex, Diplazium sandwichianum, Cenchrus cladestinus, Pteris cretica, Ageratina adenophora, Hypochaeris radicata, Dryopteris wallichiana Preserved_Specimen Henderson, R. 69 Maui BISH 2024-12-04
8 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Upper woods. Preserved_Specimen Mann, H. 314 Hawaii BISH 1864-01-01
9 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Mossy wooded hillside above bog. Preserved_Specimen St.John, H. 21109 Maui BISH 1945-08-22
10 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details In dense thicket of hillside. Above water fall. With Pteris irregularis, Sadleria, Cheirodendron, Coprosma, and Coniogramme. Preserved_Specimen Gillett, G.W. 1779 Maui BISH 1965-06-19
11 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Growing amongst dense patches of Diplazium sandwichianum in gulch bottoms Preserved_Specimen Oppenheimer, H.L. 91308 Maui BISH 2013-09-17
12 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Open cattle grazed forest. Preserved_Specimen Munro, G.C. 744 Maui BISH 1927-12-26
13 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details In open places of Metrosideros forest, with Sticherus (Gleichenia) owhyhensis, Wikstroemia, Coprosma, Scaevola gaudichaudiana (S. procera), introduced weeds such as Rubus. Preserved_Specimen Carlquist, S. 1781 Kauai BISH 1965-07-21
14 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Growing on a steep slope and along stream. Vegetation: Metrosideros polymorpha, Hedyotis hillebrandii, Coprosma sp., Cyrtandra grayana, Pipturus albidus, Sadleria souleyetiana, Dryopteris mauiensis, Diplazium sandwichianum, Thelypteris sandwicensis, Microlepia mauiensis, Tibouchina herbacea, Erigeron karvinskianus, Buddleia asiatica. Preserved_Specimen Oppenheimer, H.L. 60135 Maui BISH 2001-06-17
15 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details In a waterfall. Preserved_Specimen Forbes, C.N. 1006 Maui BISH 1919-08-02
16 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Growing in montane forest. Growing with Metrosideros polymorpha, Leptecophylla tameiameiae, Vaccinium calycinum, Dryopteris wallichiana, Uncinia uncinata. Preserved_Specimen VanDerMark, J. 74 Hawaii BISH 2017-02-11
17 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Mossy wooded hillside above bog. Preserved_Specimen St.John, H. 21109 Maui BISH 1945-08-22
18 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Montane Wet Shrubland at 4000 ft in a wet montane forest dominated by a canopy of Metrosideros and Cheirodendron with a diverse subcanopy with Coprosma, Clermontia arborescens, Pelea, Cyanea macrostegia, and native ferns and sedges in the understory Preserved_Specimen Welton, P. 1271 Maui BISH 1991-08-26
19 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 2391 Kauai BISH 1909-02-14
20 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 144 Maui BISH 1910-07-01
21 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 72 Maui BISH 1910-06-01
22 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 2635 Maui BISH 1920-06-28
23 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 389 Molokai BISH 1912-08-01
24 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 6116 Molokai BISH 1909-03-19
25 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Aspect: SW. Mesic forest remnant, somewhat intach gulch; plants growing in understory of DipSa along east bank of drainage. Mesic: Metrosideros, Myrsine, Leptecophylla, Acacia, Dodonasea, Diplazium, Pteris, Cenchrus ciliaris Preserved_Specimen Pezzillo, Z. 1035 Maui BISH 2024-12-04
26 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 14 Kauai BISH
27 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 1834 Maui BISH 1920-03-04
28 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 3022 Maui BISH 1989-02-28
29 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 778 Kauai BISH 1917-07-03
30 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Skottsberg, C.J.F. 853 Maui BISH 1922-10-18
31 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen St.John, H. 10716 Kauai BISH 1930-12-26
32 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 5027 Kauai BISH 1983-08-28
33 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Skottsberg, C.J.F. 990 Kauai BISH 1922-10-28
34 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 48 Molokai BISH 1912-06-01
35 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 1030 Maui BISH 1919-08-03
36 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 4309 Hawaii BISH 1909-07-09
37 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Herbst, D.R. 2440 Kauai BISH 1972-05-26
38 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 1030 Maui BISH 1919-08-03
39 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Mann, H. 446 Maui BISH 1864-01-01
40 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Faurie, A. 1109 Hawaii BISH 1909-06-01
41 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 1030 Maui BISH 1919-08-03
42 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 345 Kauai BISH 1909-09-01
43 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Smith, F.G. Kauai BISH 1929-05-01
44 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Seale, A. Kauai BISH 1900-04-26
45 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hillebrand, W.B. Maui BISH
46 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. Molokai BISH
47 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Cranwell, L.M. 3011 Kauai BISH 1938-08-19
48 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Carlquist, S. Kauai BISH
49 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. Maui BISH
50 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. Maui BISH
51 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hillebrand, W.B. Maui BISH
52 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Neal, M.C. Maui BISH 1933-08-14
53 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Sakai, H. Hawaii BISH 1980-06-18
54 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 93 Molokai BISH 1912-06-01
55 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details In intermittent stream bed and on bank above. Vegetation: Metrosideros, Diplazium, Sadleria, Dodonaea, Coprosma, Leptecophylla, Selaginella, Doodia, Wikstroemia, Vandenboschia, Bidens, Pipturus, Urera, Pseudophegopteris, Peperomia, Carex, Eragrostis, Clermontia, Vaccinium. Preserved_Specimen Oppenheimer, H.L. 120606 Maui BISH 2006-12-06
56 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Closed mesic Metrosideros forest with abundant ferns, esp. Dryopteris. Preserved_Specimen Higashino, P.K. 799 Maui BISH 1975-06-17
57 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Mossy wooded hillside above bog. Preserved_Specimen St.John, H. 21109 Maui BISH 1945-08-22
58 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Mossy wooded hillside above bog. Preserved_Specimen St.John, H. 21109 Maui BISH 1945-08-22
59 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details In ferned valley. Preserved_Specimen Herbst, D.R. 2440 Kauai BISH 1972-05-26
60 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron trigynum wet forest with Sadleria spp., Pipturus albidus, Clermontia grandiflora, Dubautia plantaginea, Cyrtandra grayana, Broussaisia arguta, Coprosma foliosa, Tibouchina herbacea, Erigeron karvinskianus Preserved_Specimen Perlman, S. 23115 Maui BISH 2012-11-13
61 Ranunculus mauiensis Locality redacted. Contact Bishop Museum Botany Department for details Vegetation: Metrosideros, Cheirsodendron, Myrsine, Melicope, Coprosma, Kadua, Ilex, Clermontia, Cyrtandra, Cibotium, Sadleria, Tibouchina, Ageratina, Buddleia, Rubus, Psidium, Peperomia, Carex, Elaphoglossum Preserved_Specimen Oppenheimer, H.L. 72001 Maui BISH 2020-07-02
Back to Top