Haha (Cyanea acuminata)

Listing Status: Endangered

Where Listed: WHEREVER FOUND

General Information

Cyanea acuminata, a member of the bellflower family (Campanulaceae), is an unbranched shrub 0.3 to 2 m (1 to 6.6 ft) tall. The leaves, 11 to 32 cm (4.3 to 12.6 in.) long and 3 to 9 cm (1.2 to 3.5 in.) wide, are inversely lance-shaped to narrowly egg-shaped or elliptic. The upper leaf surface is green, whereas the lower surface is whitish green. The slightly hardened leaf edges contain small, spreading, pointed teeth. The leaf stalks are 2 to 10 cm (0.8 to 4 in.) long. Six to 20 flowers are arranged on a flowering stalk 15 to 60 mm (0.6 to 2.4 in.) long. The calyx lobes, 2 to 5 mm (0.08 to 0.2 in.) long, are narrowly triangular. The corolla is white and sometimes tinged purplish, 30 to 35 mm (1.2 to 1.4 in.) long and 3 to 4 mm (0.1 to 0.2 in.) wide. The tubular portion of the flower is almost erect to slightly curved, while the lobes are one-fourth to one-third as long as the tube and spreading. The yellow to yellowish orange, round berries are approximately 5 mm (0.2 in.) long.
Current Listing Status Summary

» Range Information

Current Range
Last Updated: 05-18-2021 - Wherever found
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  • Wherever found

    Listing status: Endangered

    • States/US Territories in which this population is known to or is believed to occur: Hawaii
    • US Counties in which this population is known to or is believed to occur: View All
    • USFWS Refuges in which this population is known to occur: 

» Candidate Information

No Candidate information available for this species.

No Candidate Assessments available for this species.

Candidate Notice of Review Documents

No Uplisting Documents currently available for this species.

» Federal Register Documents

Federal Register Documents

» Species Status Assessments (SSAs)

Species Status Assessments (SSAs)

No Species Status Assessments (SSA's) are currently available for this species.

Special Rule Publications

No Special Rule Publications currently available for this species.

» Conservation Plans

No Conservation Plans currently available for this species.

» Petitions

No Petitions currently available for this species.

» Biological Opinions

To see all FWS Issued Biological Opinions please visit the BO Report.

» Life History

Habitat Requirements

Cyanea acuminata typically grows on slopes, ridges, or stream banks from 305 to 1,219 m (1,000 to 4,000 ft) elevation. The plants occur in mesic to wet Metrosideros sp. (ohia)-Dicranopteris sp. (uluhe), Acacia koa (koa)-Metrosideros sp., or Diospyros sandwicensis (lama)-Metrosideros sp. forest in lowland mesic, lowland wet, montane wet, and wet cliff ecosystems in the Koolau and Waianae mountains of Oahu.

Movement / Home Range

Historically, Cyanea acuminata was known from populations in the Koolau mountains of Oahu; however, in 2009, populations were also found in the Waianae mountains.

Reproductive Strategy

Cyanea acuminata has been observed flowering in September through March, and fruiting in March and April.

Other

Cyanea acuminata is distinguished from others in this endemic Hawaiian genus by the color of the petals and fruit and length of the calyx lobes, flowering stalk, and leaf stalks.

» Other Resources

NatureServe Explorer Species Reports-- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports-- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video." +

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