Liatris aspera
species of plant

Liatris aspera (known as rough blazing star, button blazing star, lacerate blazing star, tall prairie blazing star, or tall gayfeather) is a perennial wildflower in the Asteraceae family that is found in central to eastern North America in habitats that range from mesic to dry prairie and dry savanna.
Description
Liatris aspera is a perennial herb that grows as a single, erect, unbranched stem 30 to 180 cm (1 to 6 feet) high. Leaves are numerous on the stem, alternate, and narrowly lanceolate with the lower leaves larger, up to 38 centimetres (15 in) long and 1 inch (3 cm) wide, becoming smaller and narrower higher on the plant.
The inflorescence is an erect raceme with numerous, purple, button-like flower heads, short-stalked or stalkless, blooming from the top down. It flowers from mid-August through October, with seed becoming ripe in October to November.
Distribution and habitat
This plant is native to the United States from Texas to the west and New York to the east. It is also native to Ontario in Canada. It grows in prairies, glades, and savannas, and along roadsides and railroads.
Ecology
It attracts birds, hummingbirds, and butterflies.
The public source identifies “Liatris aspera” as species of plant. This brief keeps that definition visible, then builds a research path around Liatris, aspera and species.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Liatris aspera”, the useful work is to connect “species of plant” to the records capable of establishing context and consequence.
Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Jun 15, 2023. The linked authority identifier is Q6540301. None of the 0 selected statements returned an explicit reference.
Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. 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.
How to read it
Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.
- Current terminology
- Classification context
- Finding cited technical literature
Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
- Establish the record: confirm the title “Liatris aspera”, its source revision and the description used here.
- Expand the search: follow Liatris aspera primary sources, Liatris aspera archive and Liatris research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Liatris aspera”?
- Is the terminology current, historical or disputed?
- Has classification or technical consensus changed since the cited source?
Search terms from this dossier
This entry incorporates text from “Liatris aspera” 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.