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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 Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
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