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: 9 | History events: 0 | Catalog issue offerings: 0
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Evidence Badge: emerging | claims=9 | sources=1 | contradictions=0
Claim Types: description_snippet:4, recommendation_context:2, growth_habit:1, release_year_reference:1, selection_origin_reference:1 | Open evidence summary JSON | Open citation drawer JSON
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Hansen White-Flowered Alfalfa was an alfalfa selection tied to N. E. Hansen's northern prairie introduction work. It was valued for white flowers, upright growth, and strong forage and seed production, not edible fruit. The 1921 catalog describes white flowers as a proposed trademark feature and says the selection stood out for upright growth and productivity for both forage and seed. [S1]
The selection came from a seedling of yellow-flowered alfalfa, Medicago falcata, from Omsk, Siberia, grown near Cossack alfalfa. [S1] It was first offered in spring 1917. [S1] The source places it within Hansen's broader use of Siberian and other cold-region germplasm for northern prairie adaptation. [S1]
Its main described trait was stable flower color. Seed in 1916 reportedly came about 70 percent true to white flower color. Later selections reached up to 97 percent white flowered. [S1] The catalog recommended sowing seed in rows, transplanting after one year's growth, and removing plants with off-color flowers. [S1]
A related white-seeded, white-flowered alfalfa appeared in the same cultures in 1919. The source says it was still being fixed to come true from seed and was not ready for distribution. [S1] The packet gives no direct hardiness zone claim. Its Omsk, Siberia origin material and Hansen's northern prairie program place it in a cold-climate forage breeding context. [S1]
This entry matters to Pomologica mainly as associated northern hardy plant material, not as a fruit cultivar. The available source does not describe edible fruit, culinary use, or a fruiting perennial crop role. [S1]
Summary source basis
This summary currently draws chiefly from Northern novelties for 1921 : some new fruits, ornamentals, etc..
Direct parent cultivars
Parentage claim text
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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. | ||||||
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| Document | Title/URL | Rights | Claims | Relationships | History Events | Pages | Snippets |
|---|---|---|---|---|---|---|---|
| 104 | Northern novelties for 1921 : some new fruits, ornamentals, etc. | unknown | 9 | 0 | 0 | p6 | A white-seeded, white-flowered alfalfa appeared in these cultures in 1919 which they were trying to fix so it would come true to seed, but it was not yet ready for distribution.; Offered for the first time spring 1917.; |
| Document | Page | Claim Type | Claim | Quote | Match |
|---|---|---|---|---|---|
| 104 | p6 | description_snippet | Awhite-seeded, white-flowered alfalfa appeared in these cultures in 1919 which they were trying to fix so it would come true to seed, but it was not yet ready for distribution. | Hansen White-Flowered Alfalfa | page_block:0.90 |
| 104 | p6 | release_year_reference | Offered for the first time spring 1917. | Hansen White-Flowered Alfalfa | page_block:0.90 |
| 104 | p6 | recommendation_context | Plants not true to white flower color should be removed as soon as they show off color. | Hansen White-Flowered Alfalfa | page_block:0.90 |
| 104 | p6 | recommendation_context | Seed may be sown in rows and the plants transplanted after one year's growth as described in bulletin 167. | Hansen White-Flowered Alfalfa | page_block:0.90 |
| 104 | p6 | description_snippet | Later selections were up to 97% white flowered. | Hansen White-Flowered Alfalfa | page_block:0.90 |
| 104 | p6 | description_snippet | In 1916 the seed came fully 70 percent true to the white color. | Hansen White-Flowered Alfalfa | page_block:0.90 |
| 104 | p6 | selection_origin_reference | Originated as a seedling of the yellow-flowered alfalfa, Medicago falcata, from Omsk, Siberia, grown closely adjacent to the Cossack. | Hansen White-Flowered Alfalfa | page_block:0.90 |
| 104 | p6 | growth_habit | This variety distinguishes itself by strong upright growth and productiveness both as to forage and seed. | Hansen White-Flowered Alfalfa | page_block:0.90 |
| 104 | p6 | description_snippet | White flowers are proposed as a distinctive trademark feature for an alfalfa variety. | Hansen White-Flowered Alfalfa | page_block:0.90 |
| Year | Nursery | Catalog Issue | Relation |
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| No catalog issue offerings linked. | |||
| Relation | Type | ID | Label |
|---|---|---|---|
| No linked entities at this filter level. | |||
| Type | Claim | Confidence |
|---|---|---|
| description_snippet | A white-seeded, white-flowered alfalfa appeared in these cultures in 1919 which they were trying to fix so it would come true to seed, but it was not yet ready for distribution. | 0.91 |
| release_year_reference | Offered for the first time spring 1917. | 0.96 |
| recommendation_context | Plants not true to white flower color should be removed as soon as they show off color. | 0.95 |
| recommendation_context | Seed may be sown in rows and the plants transplanted after one year's growth as described in bulletin 167. | 0.93 |
| description_snippet | Later selections were up to 97% white flowered. | 0.94 |
| description_snippet | In 1916 the seed came fully 70 percent true to the white color. | 0.96 |
| selection_origin_reference | Originated as a seedling of the yellow-flowered alfalfa, Medicago falcata, from Omsk, Siberia, grown closely adjacent to the Cossack. | 0.97 |
| growth_habit | This variety distinguishes itself by strong upright growth and productiveness both as to forage and seed. | 0.97 |
| description_snippet | White flowers are proposed as a distinctive trademark feature for an alfalfa variety. | 0.90 |
| ID | Type | Year | Label |
|---|---|---|---|
| No history events. | |||