Eriocaulon nigrobracteatum
species of plant

Eriocaulon nigrobracteatum, commonly known as the black-bract pipewort or dark-headed hatpins, is a species of flowering plant in the pipewort family Eriocaulaceae. It is endemic to the Florida Panhandle in the southeastern United States and is associated with wetland seepage habitats.
Description
This species is a perennial herb forming small rosettes of narrow, basal leaves. Flowering stems (scapes) are slender and four-angled, bearing compact capitula. Flower heads are white above owing to numerous hairs and dark gray or black below due to the dark involucral bracts. The basal sheath of the scape is notably longer than the longest leaves.
Taxonomy
E. nigrobracteatum was first described by botanists Steve L. Orzell of the Florida Natural Areas Inventory and Edwin L. Bridges of the Florida Department of Environmental Regulation in 1993 in the journal Phytologia. The specific epithet nigrobracteatum refers to its dark-colored involucral bracts.
Distribution and habitat
Eriocaulon nigrobracteatum is endemic to the Florida Panhandle, where it occurs in seepage meadows, mucky bogs, and poor fen habitats with saturated soils and sparse herbaceous cover in Bay, Calhoun, and Gulf counties. It is part of wetland plant communities characteristic of Coastal Plain seepage bogs.
The public source identifies “Eriocaulon nigrobracteatum” as species of plant. This brief keeps that definition visible, then builds a research path around Eriocaulon, nigrobracteatum and species.
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This entry incorporates text from “Eriocaulon nigrobracteatum” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.