Taxon ID:
Usage Facet: class=edible; edible_score=1.0; ornamental_score=0.0; inferred_from_taxon=no
Relationships: 0 | Linked Entities (visible): 0 | Evidence claims: 7 | History events: 0 | Catalog issue offerings: 0
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Evidence Badge: emerging | claims=7 | sources=1 | contradictions=0
Claim Types: description_snippet:1, fruit_color:1, fruit_size:1, productivity:1, recommendation_context:1, taxon_context:1 | Open evidence summary JSON | Open citation drawer JSON
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Knudson's Peach is an Americana plum from Springfield, Minnesota. South Dakota sources record it as one of the plum varieties that fruited under local prairie conditions. [S1] [S2] The surviving evidence is limited, but it places the cultivar in the hardy native plum group rather than among European plums or named breeding program hybrids. [S1]
The historical record is mostly evaluative, not biographical. One South Dakota bulletin identifies it simply as coming from Springfield, Minnesota. An earlier station source includes it in a list of varieties that had already fruited at the author's location. [S1] [S2] The cited material gives no parentage, breeder, or release date. [S1] [S2]
The sources give it a poor reputation for fruit quality and usefulness. A. Norby described Knudson's Peach as a poor cropper with small fruit that lacks color, and added that it produces too many pockets. [S1] H. C. Warner of Forestburg, South Dakota, judged it even more harshly, calling it "Not worth planting." [S1] The provided sources do not offer a better description. [S1] [S2]
Its cold climate significance rests mainly on geography and trial context. South Dakota literature treated it as an Americana plum, and it had fruited under local conditions in the northern Great Plains. [S1] [S2] That supports its place in prairie fruit history, even if the surviving notes suggest it was remembered more as a hardy possibility than as a successful orchard plum. [S1]
Summary source basis
This summary currently draws chiefly from Plums in South Dakota, with 1 additional supporting sources linked below.
Featured source descriptions
“A. Norby reported that it produces too many pockets.”
— [1]
“A. Norby reported it as a poor cropper.”
— [1]
“H. C. Warner of Forestburg, South Dakota, said it was 'Not worth planting.'”
— [1]
Direct parent cultivars
Parentage claim text
Derived or downstream cultivar links
Source-story quotations
Taxonomy context: No family-tree context surfaced yet.
Related cultivars mentioned in source context
Zone assertions are structured rows. Hardiness claim text appears in evidence claims and page-linked citations.
| Zone Min | Zone Max | Zone Text | Assertion Type | Outcome | Location | Confidence |
|---|---|---|---|---|---|---|
| No explicit zone assertion rows yet. | ||||||
No linked media assets.
| Document | Title/URL | Rights | Claims | Relationships | History Events | Pages | Snippets |
|---|---|---|---|---|---|---|---|
| 17 | Plums in South Dakota | unknown | 7 | 0 | 0 | p22 | A. Norby reported that it produces too many pockets.; A. Norby said it lacks color.; A. Norby described the fruit as small.; A. Norby reported it as a poor cropper. |
| Document | Page | Claim Type | Claim | Quote | Match |
|---|---|---|---|---|---|
| 17 | p22 | description_snippet | A. Norby reported that it produces too many pockets. | Knudson's Peach, Americana. | page_block:0.90 |
| 17 | p22 | fruit_color | A. Norby said it lacks color. | Knudson's Peach, Americana. | page_block:0.90 |
| 17 | p22 | fruit_size | A. Norby described the fruit as small. | Knudson's Peach, Americana. | page_block:0.90 |
| 17 | p22 | productivity | A. Norby reported it as a poor cropper. | Knudson's Peach, Americana. | page_block:0.90 |
| 17 | p22 | recommendation_context | H. C. Warner of Forestburg, South Dakota, said it was 'Not worth planting.' | Knudson's Peach, Americana. | page_block:0.90 |
| 17 | p22 | entry_location | From Springfield, Minnesota. | Knudson's Peach, Americana. | page_block:0.90 |
| 17 | p22 | taxon_context | Classed as an Americana plum. | Knudson's Peach, Americana. | page_block:0.90 |
| Year | Nursery | Catalog Issue | Relation |
|---|---|---|---|
| No catalog issue offerings linked. | |||
| Relation | Type | ID | Label |
|---|---|---|---|
| No linked entities at this filter level. | |||
| Type | Claim | Confidence |
|---|---|---|
| description_snippet | A. Norby reported that it produces too many pockets. | 0.84 |
| fruit_color | A. Norby said it lacks color. | 0.90 |
| fruit_size | A. Norby described the fruit as small. | 0.92 |
| productivity | A. Norby reported it as a poor cropper. | 0.92 |
| recommendation_context | H. C. Warner of Forestburg, South Dakota, said it was 'Not worth planting.' | 0.95 |
| entry_location | From Springfield, Minnesota. | 0.95 |
| taxon_context | Classed as an Americana plum. | 0.97 |
| ID | Type | Year | Label |
|---|---|---|---|
| No history events. | |||