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Plumsteadia natalensis
Plumsteadia natalensis Lacey, Dijk, Gordon-Gray Ann. Natal Mus., 22(2): 396. 14 Nov 1975
- Name
- Plumsteadia natalensis
- Rank
- Species
- Generic Name
- [Genus] Plumsteadia
- Authors (Pub.)
- Lacey W. S.
van Dijk D. E.
Gordon-Gray K. D.
- Publication
- Fossil plants from the Upper Permian in the Mooi River district of Natal, South Africa [1975/11]
- Journal
- Annals of the Natal Museum
- Volume
- 22
- Issue
- 2
- Page number
- 396
- Year
- 1975
- Fossil Status
- fructifications (female)
- Stratigraphy
- Permian
- Location
- Mooi River district, Natal, South Africa
- Paleoregion
- Gondwana (South Africa)
Data for Holotypus
- Repository
- KwaZulu-Natal Museum, Pietermaritzburg, South Africa
- Repository Number
- NM 1260
- Diagnosis
- Bifacial fructification attached to the midrib of a narrow Glossopteris leaf of the indica-angustifolia type on its adaxial side at or near the base of thelamina. Fructification a flattened, ovate-Ianceolate scale, base rounded, apex pointed,18 to 28 mm (mean 21 mm) long, 7 to 12 mm (mean 8 mm) wide, about 0,25 to 0,5 mmthick, basal attachment scar crescentic, about 2 mm wide. Fructification bearingclosely packed raised bodies or sacs on its adaxial face. Sacs arranged in rows whichcurve upwards and outwards from the centre to the margin, each sac marked with ascar varying from circular, not contiguous, about 0,5 mm wide, to angular, contiguous,about 1 mm wide, both forms with an outer raised rim, middle depression and centralraised boss. Outer sides of the marginal sacs vertical in uncompressed specimens,often sloping inwards in compressed specimens, giving the appearance of a narrowreflexed wing, but no true wing present.
Nomenclatural synonyms (basionyms)
Species
