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Anemone hupehensis

(Lemoine) Lemoine (1910)

This name is accepted

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

Japanese anemone

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Description

Key Characters:

Growth Form: Erect perennial herbs.

Stems: Stems 0.5–1.5 m long, appressed pilose.

Roots: Creeping rhizomes.

Leaves: Leaves compound (ternate). Alternate, basal. Leaflets ovate, leaflets 4–20 cm long, 5–15 cm wide; cauline leaves rarely opposite or forming an involucre subtending the inflorescence, palmately lobed or divided or compound. Base cordate. Upper surfaces green, sparsely strigose; lower surfaces pale green, appressed pilose, primarily along veins. Margins toothed and lobed. Petiolate. Stipules absent.

Flowers: Flowers in scape 30--100 (--120) cm, sparsely pubescent; cyme 2- or 3-branched, many flowered. involucral bracts 3; petiole 2--3 cm, base sheathing; bract blade similar to that of leaves, ternate, 3--7 cm. Flowers bisexual (perfect), actinomorphic. Calyx of 5–20 sepals; sepals white, often tinged pink or purple, lower surface velvety pubescent. Corolla (petals) absent or present as gland-like staminodes. Stamens numerous, 4--6 mm, distinct; anthers ellipsoid, dithecal, opening by a longitudinal slit; filament filiform. Ovary superior, carpels numerous, long stipitate, ca.1.5 mm, 1-celled, velutinous; style short; stigma rectangular.

Fruit: Achenes numerous in a globose head; ca. 2 mm long; long–pilose. Achenes ovoid; ca. 2 × 1 mm; lanate; hairs 3--4 mm; style straight; short.

Ploidy: 2n = 16

Habitat: Open; wet; disturbed areas along roadsides and in wet forest.

Elevation Range: 1,080–1,530 m.

Historical Distribution

Images

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Uses and Culture

USES

  • Grown for their showy white, red, pink, or purple flowers

Natural History

Statewide Status

Naturalized

Island Status

Hawai'i Naturalized

Dispersal Agents

Wind

Vegetative Reproduction

Pollinators

Notes

  • Contains ranunculin, which hydrolyses into protoanemonin. Both toxins cause physical irritation/burning sensation, externally and internally, if consumed

Bibliography

Name Published In: Nursery Cat. (Lemoine) 176: 40 (1910)

Other References

Wagner et al. 1990:1087 (H [as A. hupehensis var. japonica]); Wang et al. 2001:317/Faccenda, Arthur, et al. 2025:207 (A. h. var. japonica misapplied = A. hupehensis)

Poisonous Plants of Paradise (Scott and Thomas) p.81-84

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Anemone hupehensis South Hilo District, Waiakea Collected in wet forest off Stainback Highway. Preserved_Specimen Funk, E.J. Hawaii BISH 1998-10-19
2 Anemone hupehensis Kau District: Along the Chain of Craters road In open areas in Metrosideros forest. Preserved_Specimen Herat, T. 814 Hawaii BISH 1974-06-27
3 Anemone hupehensis South Hilo District, Waiakea Collected in wet forest off Stainback Highway. Preserved_Specimen Funk, E.J. Hawaii BISH 1998-10-19
4 Anemone hupehensis Kau District: Hawaii Volcanoes National Park. Along trail from Chain-of-Craters Rd to Thurston Lava Tube Wet forest. Preserved_Specimen Lammers, T.G. 5394 Hawaii BISH 1983-09-02
5 Anemone hupehensis Puumakaala NAR; off Dissappointment Road In fenced enclosure. Metrosideros-Cibotium Wet Forest w/ Cheirodendron, Coprosma, Broussaisia, Cyrtandra platyphylla, Cyrtandra lysiosepala, Cyanea tritomantha, Elaphoglossum crassicaule, Astelia menziesiana, Sicyos alba, Joinvillea ascendens, Pritchardia beccariana, Phyllostegia velutina, Alyxia, Rubus hawaiensis, Hedyotis terminalis, Perrottetia, Clermontia parviflora. Preserved_Specimen Tangalin, N. 641 Hawaii BISH 2005-12-19
6 Anemone hupehensis Along Stainback Highway about 10 miles above junction with Volcano Highway Occasional in open, wet, disturbed areas. Preserved_Specimen Herbst, D.R. 4067 Hawaii BISH 1974-08-13
7 Anemone hupehensis Keauhou Ranch, (TK-U 4600') Growing in remnant Cibotium - Metrosideros - Acacia koa forest. Preserved_Specimen Clarke, G. 79.287 Hawaii BISH 1980-01-29
8 Anemone hupehensis 1 & 1/2 air miles S. of Volcano House In Tree fern rain forest with Cibotium, Metrosideros, Astelia, Sadleria, Isachne, etc. Preserved_Specimen Henrickson, J.S. 4088 Hawaii BISH 1969-08-06
9 Anemone hupehensis Keauhou Ranch, (TK-U 4600') Growing in remnant Cibotium - Metrosideros - Acacia koa forest. Preserved_Specimen Clarke, G. 79.287 Hawaii BISH 1980-01-29
10 Anemone hupehensis Keauhou Ranch, (TK-U 4600') Growing in remnant Cibotium - Metrosideros - Acacia koa forest. Preserved_Specimen Clarke, G. 79.287 Hawaii BISH 1980-02-29
11 Anemone hupehensis Along Stainback Highway about 10 miles above junction with Volcano Highway Occasional in open, wet, disturbed areas. Preserved_Specimen Herbst, D.R. 4067 Hawaii BISH 1974-08-13
12 Anemone hupehensis Woods ca. 0.5 miles south of Thurston Lava Tube, off Crater Rim Drive Preserved_Specimen Crosby, M.R. 1985 Hawaii BISH 1964-08-04
13 Anemone hupehensis Keauhou Ranch, Kau District, between Puu oo Trail and Kilauea Forest, (TK-AA) Common along logging skid trails in disturbed Metrosideros forest. Preserved_Specimen Cuddihy, L.W. 544 Hawaii BISH 1980-08-19
14 Anemone hupehensis Along Pack Trail Road, Kapapala Ranch, near Kau Forest Reserve Preserved_Specimen Corn, C. Hawaii BISH 1985-04-16
15 Anemone hupehensis Along Pack Trail Road, Kapapala Ranch, near Kau Forest Reserve Preserved_Specimen Corn, C. Hawaii BISH 1985-04-16
16 Anemone hupehensis Keauhou Ranch, (TK-U 4600') Growing in remnant Cibotium - Metrosideros - Acacia koa forest. Preserved_Specimen Clarke, G. 79.287 Hawaii BISH 1980-01-29
17 Anemone hupehensis Kilauea area, near Devastation Trail On scoriaceous rubble, open scrub. Preserved_Specimen Sykes, W.R. 32091 Hawaii BISH 1991-06-02
18 Anemone hupehensis Kahuku: Kahuku Ranch, by road to Nene cabin Roadside. Preserved_Specimen St.John, H. 26824 Hawaii BISH 1971-06-26
19 Anemone hupehensis Close to Chain of Craters road. NE of Lua Manu Crater Common. Preserved_Specimen Herat, T. 1028 Hawaii BISH 1974-07-15
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