No common name (Schiedea haleakalensis)

Listing Status: Endangered

Where Listed: WHEREVER FOUND

General Information

Schiedea haleakalensis of the pink family (Caryophyllaceae) is a hairless shrub, 30 to 80 cm (1 to 2 ft) tall with slightly fleshy, narrow leaves with a single vein, 4 to 8 cm (1.6 to 3.1 in) long and 1 to 3 mm (0.04 to 0.12 in) wide. Flowers are arranged in clusters 3 to 5 cm (1.2 to 2 in) long at the ends of the branches. The flower has 5 green, oval sepals, which are about 3 mm (0.1 in) long, no petals; 5 nectaries, which are 1 to 1.3 mm (0.04 to 0.05 in) long; and 10 stamens. Capsules are about 4 mm (0.2 in) long and contain grayish to reddish brown seeds which are less than 1 mm (0.04 in) long. This species differs from other species of the genus on East Maui by its crowded, hairless inflorescence composed of bisexual flowers.
Current Listing Status Summary

» Range Information

Current Range
Last Updated: 07-27-2021 - 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.

No Candidate Notice of Review Documents currently available for this species.

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

Schiedea haleakalensis occurs on cliffs and in Leptecophylla tameiameiae (pukiawe) subalpine dry shrubland at 1,798 to 2,560 m (5,900 to 8,400 ft) elevation. Associated native species include Artemisia mauiensis (hinahina), Bidens micrantha var. kalahala (kookoolau), Deschampsia nubigena (hairgrass), Dubautia menziesii (naenae), Metrosideros polymorpha (ohia), Plantago princeps var. laxiflora (laukahi kuahiwi), Sadleria cyatheoides (amau), Sanicula sandwicensis (no common name [NCN]), Sophora chrysophylla (mamane), Tetramolopium humile (NCN), and Vaccinium reticulatum (ohelo).

Movement / Home Range

Schiedea haleakalensis historically occurred on Maui, but due to the lack of early collections or sightings, the historic range is unknown. Currently, S. haleakalaensis occurs from Leleiwi Pali and at Kaupo Gap on Maui.

Reproductive Strategy

Schiedea haleakalensis is gynodioecious (individuals either have only female flowers or only bisexual flowers) and so likely requires cross- pollination by small insects. Small, short-flighted flies and moths have been observed visiting flowers. Fruits and seeds have been observed from August through September.

Other

Schiedea haleakalensis was discovered by Otto Degener, Emilio Ordonez, and Felix C. Salucop in 1939 and named by Degener and Sherff (Sherff 1942) after the mountain on which it grows.

» 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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