Fimbristylis dichotoma
species of plant
Fimbristylis dichotoma, commonly known as forked fimbry or eight day grass, is a sedge of the family Cyperaceae that is native to tropical areas.
Description
The annual or perennial plant, 10–80 cm tall, with numerous long stems about 2 mm in diameter, slightly three-angled, compressed below the inflorescence, node-less, smooth and has a tufted habit. The root system is fibrous, wiry, black. Short rhizomes. Leaves numerous, forming a dense tuft at the base of the stem, being at least half as long as the stem.
Distribution
Fimbristylis dichotoma is widely distributed in Asia, Africa and Australia as well as in other parts of the tropics.
Habitat
Fimbristylis dichotoma grows well on wet or even flooded soil; it is also found in uplands where the soil has good water retention. It is also found in swamps, open waste places, grassy roadsides, Imperata cylindrica grasslands and some plantation crops.
Subdivisions
Six subdivisions are accepted.
Fimbristylis dichotoma subsp.
Begin with the source’s own compact description: “Fimbristylis dichotoma” is species of plant. The dossier treats that line as a proposition to test through Fimbristylis, dichotoma and species, not as a finished interpretation.
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The phrase “species of plant” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Sep 30, 2025. The linked authority identifier is Q10871438. None of the 0 selected statements returned an explicit reference.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. 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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This entry incorporates text from “Fimbristylis dichotoma” 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.