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18 de septiembre de 2023

Potentilla Indica in NC

https://www.inaturalist.org/observations/identify?ident_taxon_id=243824&place_id=1&per_page=100
https://www.inaturalist.org/observations/identify?per_page=100&place_id=1&taxon_id=53186
https://www.inaturalist.org/observations/identify?quality_grade=needs_id%2Cresearch&verifiable=true&taxon_id=460193&place_id=1&photos=true

https://gobotany.nativeplanttrust.org/dkey/potentilla/#c1,c7
https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&highlighttaxonid=3150#verttarget
http://www.namethatplant.net/plantdetail.shtml?plant=498
Key Characteristics:
Leaves palmately compound, deep green, and 3-foliate. Leaves are more coarsely/roundly toothed (crenate/serrate?) than Fragaria (sharp serrate teeth). The plant spreads along creeping stolons, rooting and producing crowns at each node.
Flowers solitary, on naked, axillary pedicels. Flowers have 5 yellow petals, narrowly obovate to elliptic. Yellow flowers distinguish it from the white or slightly pink flowers of true strawberries.
5 bracts, widened upward with 3(5) teeth, interspersed with 5 calyx lobes, per Vascular Flora of the Carolinas. Bractlets are definitely larger than the sepals.
The unsweet aggregate accessory fruits consist of an expanded white or red fleshy receptacle bearing superficial red achenes and whitish interior flesh.
Not documented: Leaf veins more branching (cross-venulate?) than Fragaria (pinnate). Calyx lobes/sepals fold inward as fruit develops from yellow to red. Paired outer leaflets may become, in dry conditions, deeply grooved so it appears to have 5 leaflets. Dry conditions encourage more distinct & deep serrations of bractlets and leaves. Bractlets may be tipped with red/brown.
Be careful to distinguish from:
Fragaria virginiana:
bractlets of +/- of similar size as the sepals, lacking conspicuous apical teeth, receptacle enlarged in fruit and sweet-tasting petals white to pink (vs. P. indica, with bractlets definitely larger than the sepals, with 3 conspicuous teeth at the apex, receptacle enlarged in fruit but rather dry and insipid tasting, and petals yellow).

In US search string:
https://www.inaturalist.org/observations/identify?per_page=100&order=asc&place_id=1&photos=true&taxon_id=243824
https://www.inaturalist.org/observations/identify?exact_taxon_id=47125&ident_taxon_id=243824&place_id=any
https://www.inaturalist.org/observations/identify?per_page=100&place_id=1&hrank=supertribe&lrank=subtribe&taxon_id=885411
https://www.inaturalist.org/observations/identify?reviewed=any&per_page=100&place_id=1&ident_user_id=sarah_oberlin&hrank=supertribe&lrank=subtribe&taxon_id=885411

Deep Dive in Potentillas: https://www.inaturalist.org/observations/identify?page=103&order=asc&taxon_id=53186&place_id=1

Hello! This Potentilla shows multi-toothed bractlets so I believe it is P. indica.
http://www.namethatplant.net/plantdetail.shtml?plant=498 is my ID key if you wish to know more.

Hello, this Potentilla looks like it could be P. indica but I can't say without more information than is visible in the photo(s) unfortunately. For future observations of similar plants, getting photos of the leaves, flower or bud or fruit, and the back of the flower/bud/fruit would help you get it identified!

Publicado el 18 de septiembre de 2023 por sarah_oberlin sarah_oberlin | 0 comentarios | Deja un comentario

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