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Eriocaulon nigrobracteatum

species of plant

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionApr 24, 2026
Entity authorityQ15514925 ↗
Source-derived summary

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.

Editorial summary

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.

Editorial reviewA sound reference starting point where classification, measurement and the date of the underlying evidence remain visible. The current lead gives the account dated anchors—1993—that can be checked directly. The linked authority record independently contributes the date 1993. Its value is orientation rather than verdict, with Eriocaulon, nigrobracteatum and species providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Eriocaulon nigrobracteatum”, the useful work is to connect “species of plant” to the records capable of establishing context and consequence.

Evidence profile

Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Apr 24, 2026. The linked authority identifier is Q15514925. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1993.

Critical limits

A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Source & attribution

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.