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: 11 | History events: 0 | Catalog issue offerings: 0
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Evidence Badge: emerging | claims=11 | sources=1 | contradictions=0
Claim Types: flavor_profile:2, anecdote_snippet:1, description_snippet:1, fruit_color:1, fruit_size:1, productivity:1, recommendation_context:1, selection_origin_reference:1, taxon_context:1 | Open evidence summary JSON | Open citation drawer JSON
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Norby No. 11 is an Americana plum selected in South Dakota and described as a productive, good quality sort worth propagating.[S1] The bulletin credits its origin to A. Norby of Madison, South Dakota.[S1]
The fruit is described as above medium to large and roundish oblong, with a slight depression at the apex, a wide shallow cavity, and a broad shallow suture.[S1] Its skin is thin and firm, dark rich red with yellow shading on the shaded side, and covered with a thin lilac bloom.[S1] The flesh is yellow, clear acid, and of good quality. The pit is free or only slightly adherent.[S1]
The tree was noted as a heavy bearer, but it spread its crop well enough that it did not overbear.[S1] Two young trees reportedly carried a heavy crop, and the fruit was recorded ripe on September 8.[S1] A 1904 note from A. Norby added that No. 11 was dependable, had never failed him, showed fine appearance and fair size, and ripened medium early.[S1]
The source places Norby No. 11 among northern plum evaluations in South Dakota and Minnesota, but it does not give a direct hardiness rating.[S1] It also does not provide parentage, so the cultivar's breeding background is unstated in this source.[S1]
Summary source basis
This summary currently draws chiefly from Plums in South Dakota.
Featured source descriptions
“Originated by A. Norby.”
— [1]
“Aheavy bearer, but fruit so well distributed it does not overbear; size above medium; roundish oblong; apex usually a slight depression; cavity wide and rather shallow; suture broad, shallow; surface dark rich red, mottled and shaded with yellow on shaded side; surface smooth; bloom thin lilac; dots white, minute, numerous, many red dots in light colored specimens; skin thin, firm; flesh yellow, clear acid; quality good; pit free or slightly adherent, long oval.”
— [1]
“Flesh yellow, clear acid, quality good.”
— [1]
“The fruit was of good quality.”
— [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 | 11 | 0 | 0 | p29 | A. Norby wrote in 1904 that No. 11 was dependable in bearing, never failed, had fine appearance, fair size, and ripened medium early.; Flesh yellow, clear acid, quality good.; Surface dark rich red, mottled and shaded wi |
| Document | Page | Claim Type | Claim | Quote | Match |
|---|---|---|---|---|---|
| 17 | p29 | anecdote_snippet | A. Norby wrote in 1904 that No. 11 was dependable in bearing, never failed, had fine appearance, fair size, and ripened medium early. | Norby No. 11, Americana. HISTORY.-Originated by A. Norby, Madison, South Dakota. Two young trees of this variety bore last year a heavy crop of large size and good quality. Ripe September 8. Worthy of propagation. | page_block:0.90 |
| 17 | p29 | flavor_profile | Flesh yellow, clear acid, quality good. | Norby No. 11, Americana. HISTORY.-Originated by A. Norby, Madison, South Dakota. Two young trees of this variety bore last year a heavy crop of large size and good quality. Ripe September 8. Worthy of propagation. | page_block:0.90 |
| 17 | p29 | fruit_color | Surface dark rich red, mottled and shaded with yellow on the shaded side, with thin lilac bloom. | Norby No. 11, Americana. HISTORY.-Originated by A. Norby, Madison, South Dakota. Two young trees of this variety bore last year a heavy crop of large size and good quality. Ripe September 8. Worthy of propagation. | page_block:0.90 |
| 17 | p29 | description_snippet | Aheavy bearer, but fruit so well distributed it does not overbear; size above medium; roundish oblong; apex usually a slight depression; cavity wide and rather shallow; suture broa | Norby No. 11, Americana. HISTORY.-Originated by A. Norby, Madison, South Dakota. Two young trees of this variety bore last year a heavy crop of large size and good quality. Ripe September 8. Worthy of propagation. | page_block:0.90 |
| 17 | p29 | recommendation_context | Worthy of propagation. | Norby No. 11, Americana. HISTORY.-Originated by A. Norby, Madison, South Dakota. Two young trees of this variety bore last year a heavy crop of large size and good quality. Ripe September 8. Worthy of propagation. | page_block:0.90 |
| 17 | p29 | flavor_profile | The fruit was of good quality. | Norby No. 11, Americana. HISTORY.-Originated by A. Norby, Madison, South Dakota. Two young trees of this variety bore last year a heavy crop of large size and good quality. Ripe September 8. Worthy of propagation. | page_block:0.90 |
| 17 | p29 | fruit_size | The fruit was large size. | Norby No. 11, Americana. HISTORY.-Originated by A. Norby, Madison, South Dakota. Two young trees of this variety bore last year a heavy crop of large size and good quality. Ripe September 8. Worthy of propagation. | page_block:0.90 |
| 17 | p29 | productivity | Two young trees bore a heavy crop. | Norby No. 11, Americana. HISTORY.-Originated by A. Norby, Madison, South Dakota. Two young trees of this variety bore last year a heavy crop of large size and good quality. Ripe September 8. Worthy of propagation. | page_block:0.90 |
| 17 | p29 | entry_location | Originated at Madison, South Dakota. | Norby No. 11, Americana. HISTORY.-Originated by A. Norby, Madison, South Dakota. Two young trees of this variety bore last year a heavy crop of large size and good quality. Ripe September 8. Worthy of propagation. | page_block:0.90 |
| 17 | p29 | selection_origin_reference | Originated by A. Norby. | Norby No. 11, Americana. HISTORY.-Originated by A. Norby, Madison, South Dakota. Two young trees of this variety bore last year a heavy crop of large size and good quality. Ripe September 8. Worthy of propagation. | page_block:0.90 |
| 17 | p29 | taxon_context | Entry labeled as Americana. | Norby No. 11, Americana. HISTORY.-Originated by A. Norby, Madison, South Dakota. Two young trees of this variety bore last year a heavy crop of large size and good quality. Ripe September 8. Worthy of propagation. | 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 |
|---|---|---|
| anecdote_snippet | A. Norby wrote in 1904 that No. 11 was dependable in bearing, never failed, had fine appearance, fair size, and ripened medium early. | 0.94 |
| flavor_profile | Flesh yellow, clear acid, quality good. | 0.95 |
| fruit_color | Surface dark rich red, mottled and shaded with yellow on the shaded side, with thin lilac bloom. | 0.95 |
| description_snippet | A heavy bearer, but fruit so well distributed it does not overbear; size above medium; roundish oblong; apex usually a slight depression; cavity wide and rather shallow; suture broad, shallow; surface dark rich red, mott | 0.95 |
| recommendation_context | Worthy of propagation. | 0.98 |
| flavor_profile | The fruit was of good quality. | 0.94 |
| fruit_size | The fruit was large size. | 0.96 |
| productivity | Two young trees bore a heavy crop. | 0.98 |
| entry_location | Originated at Madison, South Dakota. | 0.99 |
| selection_origin_reference | Originated by A. Norby. | 0.99 |
| taxon_context | Entry labeled as Americana. | 0.99 |
| ID | Type | Year | Label |
|---|---|---|---|
| No history events. | |||