CACrown ArchivesThe cinema collection
EN/FR
Search
Menu
Research dossier · Science & Nature

Raddia

genus of plants

Specimen drawers, botanical folios and brass scientific instruments under study light
Science and natureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionMar 23, 2026
Entity authorityQ3310524 ↗
Source-derived summary

Raddia is a genus of South American plants in the grass family, most of the species found only in Brazil.

The genus was named for Italian botanist and herpetologist Giuseppe Raddi, 1770–1829.

Species

Raddia angustifolia Soderstr. & Zuloaga - Bahia

Raddia brasiliensis Bertol. - Rio de Janeiro, Bahia, Espírito Santo, Mato Grosso, Paraíba

Raddia distichophylla (Steud. ex Nees) Chase - Bahia

Raddia guianensis (Brongn.) C.L.Hitchc. - Trinidad and Tobago, Pará, French Guiana, Suriname, Venezuela (Carabobo, Yaracuy)

Raddia lancifolia R.P.Oliveira & Longhi-Wagner - Espírito Santo

Raddia megaphylla R.P.Oliveira & Longhi-Wagner - Espírito Santo, Bahia

Raddia portoi Kuhlm. - Bahia

Raddia soderstromii R.P.Oliveira, L.G.Clark & Judz.

Editorial summary

“Raddia” enters the record as genus of plants. Crown Archives preserves that source wording while asking what Raddia, genus and plants can confirm, complicate or overturn.

Editorial reviewUseful for establishing the present vocabulary of the subject while preserving a route back to the evidence on which that vocabulary rests. The current lead gives the account dated anchors—1770, 1829—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Raddia, genus and plants.
Editorial analysis

Why this record matters

“Raddia” is worth following because a concise public description often conceals a longer documentary argument. Here, Raddia, genus and plants provides the most credible route into that argument.

Evidence profile

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 Mar 23, 2026. The linked authority identifier is Q3310524. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1770 and 1829.

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.

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.

Best used for
  • Current terminology
  • Classification context
  • Finding cited technical literature
Verify next

Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.

Three-step research path

  1. Establish the record: confirm the title “Raddia”, its source revision and the description used here.
  2. Expand the search: follow Raddia primary sources, Raddia archive and Raddia research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Raddia”?
  2. Is the terminology current, historical or disputed?
  3. Has classification or technical consensus changed since the cited source?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Raddia” 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.