An Unflattened Identity and Change Knowledge Graph

coffea plant

concept · 6 mentions

A genus of plants that produce coffee

Other senses of “coffea”

unspecified genus

Connections

The concepts, people, and places this entity is most linked to by claims — node size is mention count, colour is type, dashed nodes are other senses of the same word.

coffeacoffea (—)Coffea (genus)about eight — 1 shared claimgenetic statistics — 1 shared claimdouble f in caffe — 1 shared claimcaffein-free coffee trees — 1 shared claimE. De Wildeman — 1 shared claimJ. Eggerth — 1 shared claimabout eightgenetic statisticsdouble f in caffecaffein-free coffee…E. De WildemanJ. Eggerth
ConceptPerson

Defining properties

Perspectives

Claims grouped by the voice that makes them.

William H. Ukers (author)

  • they belonged to the genus _Coffea_, to which all our common coffees belong
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'upon investigation, it was found that they belonged to the genus _Coffea_, to which all our common coffees belong.' The passage explicitly confirms that caffein-free coffee trees belong to the genus Coffea, making this fully supported.
    • qualifier_fidelity 0.90 pass — The claim is largely faithful to the passage. The viewpoint should not be "author" but rather should reflect that the passage states investigators "found" this (representing the investigators' discovery/assertion), though the passage does not attribute it to a single named source - it attributes it to "investigation" as a process. The stance (asserts) and sentiment (neutral) are correct. The time qualifiers (all null) are appropriate as the passage provides no temporal scope. Context is appropriately empty. The quote is verbatim and supports the claim. Minor deduction: the viewpoint attribution to "author" is slightly imprecise since the passage frames this as a finding from investigation rather than an authorial statement, though this is a borderline issue since the passage itself is reporting the finding without attributing it to a specific named investigator.
  • E. De Wildeman author of notes on species of Coffea 1900
    WILDEMAN, E. DE. Notes sur quelques especes du genre Coffea L. Cong, internat. d. botanique. Actes, 1900, I:221-238.
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly supported by the passage. The bibliographic entry explicitly states 'WILDEMAN, E. DE. Notes sur quelques especes du genre Coffea L.' published in 1900, confirming that E. De Wildeman authored notes on species of the genus Coffea in that year.
    • qualifier_fidelity 0.85 pass — The claim is largely faithful to the passage. Viewpoint correctly uses 'author' (Wildeman is the direct author), stance correctly asserts, sentiment is neutral, time matches the publication date of 1900, and the quote is verbatim from the passage. The only minor issue is that the context field is empty when it could specify that this relates to the botanical genus Coffea (coffee plant), though this is not strictly required since the object already identifies Coffea. Overall, the qualifiers are faithful enough to pass.
  • J. Eggerth wrote on coffea 1833
    EGGERTH, J. De coffea. _Budae_, 1833.
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. The bibliographic entry clearly indicates that J. Eggerth wrote 'De coffea' (on coffea/coffee), published in Budae in 1833, exactly matching the claim's subject, predicate, object, and date.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint correctly identifies the author (J. Eggerth), stance is appropriately neutral assertion, time precisely matches the publication year (1833), context is appropriately empty as none is specified in the passage, and the quote appears verbatim in the bibliography entry.

Freeman

  • coffea has recognized species about eight
    Freeman[94] says there are about eight recognized species of _coffea_
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. The exact quote 'Freeman[94] says there are about eight recognized species of _coffea_' appears verbatim, accurately capturing the subject (coffea), predicate (has recognized species), and object (about eight) with proper attribution to Freeman.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint correctly attributes the statement to Freeman as the named source. The stance 'asserts' appropriately captures Freeman's presentation. The sentiment is neutral, matching the passage's neutral tone. The time qualifiers are correctly set to null since the passage provides no temporal information. The context is appropriately empty as the passage does not restrict the claim to a specific sense or role. The quote is verbatim from the passage and directly supports the claim.

P.C. Van der Wolk

  • New researches into some statistics of Coffea
    judge verdicts (2)
    • groundedness 0.70 pass — The claim is supported by the passage. The bibliographic entry for VAN DER WOLK, P.C. includes a work titled 'New researches into some statistics of Coffea' published in 1914, which directly supports the assertion that Van der Wolk conducted research on statistics of Coffea in that year, though 'genetic statistics' is a minor rewording of the more general 'statistics' mentioned in the title.
    • qualifier_fidelity 0.95 pass — The claim is highly faithful to the passage. The viewpoint correctly identifies P.C. Van der Wolk as the source (matching the passage attribution). The stance appropriately reflects 'asserts' given the research nature. The time qualifiers (1914, valid_from and valid_to) correctly correspond to the publication year in the passage. The sentiment is neutral, which matches the objective, scientific tone of the title. The quote 'New researches into some statistics of Coffea' appears verbatim in the passage and accurately supports the claim about genetic/population statistics of Coffea. The context is empty, which is appropriate since the passage does not restrict the claim to a particular sense or role. Minor note: the object 'genetic statistics' is an interpretation rather than a direct quote, but the quote about 'statistics of Coffea' reasonably supports this characterization in context.

some writers

  • double f in caffe thought to have been taken from coffea
    questionsneutralsource: coffee-pg28500
    by some writers is thought to have been taken from _coffea_, without the double _f_ being lost
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly supported by the passage. The exact phrase 'by some writers is thought to have been taken from _coffea_, without the double _f_ being lost' appears in the final paragraph, making this a verbatim statement from the source material.
    • qualifier_fidelity 0.85 pass — The claim is mostly faithful to the passage. Viewpoint ('some writers'), sentiment (neutral), and time (null, appropriate since passage gives no temporal scope) are all correct. The quote is accurate. However, the stance is slightly problematic: the passage frames this as something 'thought to have been taken from' (a theory or supposition), not as questioning or disputing. The word 'questions' implies skepticism or challenge, whereas the passage presents this as a plausible etymological explanation without framing it as contested. The stance should be 'theorizes' or 'proposes' rather than 'questions' to be fully faithful.

Change over time

1833
  • wrote on J. Eggerth
1900
  • author of notes on species of E. De Wildeman
1914
  • has genetic statistics