Scientific Name: Anemone hupehensis
Common Names: Japanese Thimbleweed, Japanese Anemone, Hupeh Anemone, Japanese Windflower
Growth Habit: Herb/Forb
Hawaii Native Status: Introduced. This naturalized ornamental garden plant is native to China and Taiwan, but it is commonly cultivated in Japan and elsewhere. The cultivated varieties tend to be smaller plants and have much showier flowers.
Flower Color: White, Pink
Height: Up to 5 feet (1.5 m) tall
Description: The flowers are on branched flowering stems and have 0 petals, 5 broad, white or pink, petal-like sepals, and a ring of yellow aging to brown anthers around a green, velvety ball of numerous, tightly packed pistils. The flowers are followed by rounded seed heads. The leaves have a heart-shaped leaf base and are dark green and sparsely hairy above, paler green and hairier below, palmately lobed, and edged with small teeth. The basal leaves are ternately compound with 3 egg-shaped leaflets. The stems are green to brown, erect, branching, and densely hairy.
Here in Hawaii, Japanese Thimbleweed is weedy and can be found growing in disturbed open areas and along roadsides in wet forests at middle elevations in the mountains, such as in Hawaii Volcanoes National Park.
This is the only Anemone species found in Hawaii.
Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Family: Ranunculaceae – Buttercup family
Genus: Anemone L. – anemone
Species: Anemone hupehensis (hort. ex Lem.) Lem. ex Boynton – Japanese thimbleweed
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