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Typha latissimisperma
Typha latissimisperma Doweld Acta Palaeobot., 57(2): 235. 19 Dec 2017
- Name
- Typha latissimisperma
- Rank
- Species
- Generic Name
- [Genus] Typha
- Authors (Pub.)
- Doweld A. B.
- Publication
- New names of Typha of Northern Eurasia (Typhaceae) [2017/12]
- Journal
- Acta Palaeobotanica
- Volume
- 57
- Issue
- 2
- Page number
- 235
- Year
- 2017
- Fossil Status
- seeds
- Stratigraphy
- Rupelian
- Location
- Bembridge Marls, Gurnard Bay, Isle of Wight, U.K.
- Paleoregion
- Eurasia (Europe)
Data for Holotypus
- Repository
- Natural History Museum, London, U.K.
- Repository Number
- V.17528
- Diagnosis
- Seeds pendulous anatropous, narrowly elliptic, 487–1162 μm long, 235–467 μm wide, translucent. Rounded end of seed often narrowing gradually with a broad mucro; opposite end truncate with a circular aperture which may be closed by an operculum with a central, stalk-like mucro. Raphe a narrow
longitudinal fold. Seed coat composed of two layers: outer layer (?testa) of longitudinally elongate, oblong cells, inner layer (?tegmen) of transversely elongate hexagonal cells. [Seeds not seen within fruits].
