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Persicaria omoloica
Persicaria omoloica Doweld Phytotaxa, 308(1): 70. 2 Jun 2017
- Name
- Persicaria omoloica
- Rank
- Species
- Generic Name
- [Genus] Persicaria
- Authors (Pub.)
- Doweld A. B.
- Publication
- New names in Fallopia, Persicarioipollis, Polygonum and Reynoutria (Polygonaceae), living and fossil [2017/6]
- Journal
- Phytotaxa
- Volume
- 308
- Issue
- 1
- Page number
- 70
- Year
- 2017
- Fossil Status
- fruits
- Stratigraphy
- Miocene
- Location
- Khapchan-khaja, left bank of Omoloj river, Ust'-Kutsk district, Irkutsk region, Russian Federation
- Paleoregion
- Eurasia (Siberia)
Data for Holotypus
- Repository
- Komarov Botanical Institute, Russian Academy of Sciences, St.-Petersburg, Russian Federation
- Repository Number
- 19/1-K550/1
- Diagnosis
- Fruits 2.0–2.35 × 1.9–2.0 mm, ellipsoidal, sometimes apically widened, convex-planate or biconvex, initially bloated. Apex rounded, with a small remain of stylus; base shortly wedge-shaped, acicular, accrescent by perianth remains; side slightly tight. Fruits black, smooth; fruit surface foveolate in longitudinal series, forming slightly differentiated grooves. Pericarp 0.11–0.13 mm thick, 2-layered; exocarpium 1-layered, lignified, consisting of large, radially elongate cells, outer and inner cell walls thin, radial cell walls thick, porate, highly thickened in the upper 1/3 fruit part; mesocarpium thin, consisting of tangentially elongate and flattened cells.
Nomenclatural synonyms
Species