Back
Trapa velichkevichii
Trapa velichkevichii Wójcicki Atlas Pleist. Vasc. Pl. Macrofoss. Eur., (2): 80. 30 Dec 2008
- Name
- Trapa velichkevichii
- Rank
- Species
- Generic Name
- [Genus] Trapa
- Authors (Pub.)
- Wójcicki J. J.
- Publication
- Trapaceae [2008/12]
- Book
- Atlas of the Pleistocene vascular plant macrofossils of Central and Eastern Europe
- Fascicle
- 2
- Page number
- 80
- Year
- 2008
- Fossil Status
- fruits
- Stratigraphy
- Middle Pleistocene
- Location
- Prinemanskaja (= Zhidovshchizna) village, Hrodno region, Belarus
- Paleoregion
- Eurasia (Europe)
Data for Holotypus
- Repository
- Instytut Botaniki im. W. Szafera, Polish Academy of Sciences, Krakow, Poland
- Repository Number
- KRAM-P Q-61/5/1
- Diagnosis
- Endocarps of small or medium size, obtriangular or shallowly obtriangular in outline with two pairs of horns; endocarp 13–20 mm long (including neck), width of endocarp at level of the upper horns 16–25 mm; endocarp about 1.2–1.8 times as wide as long; endocarp head pronounced, its upper end located below the line joining the somewhat slightly raised bases of the upper horns and bearing a well-developed neck; neck 1.5–3.0 mm long and 3.0–4.5 mm broad, protruding beyond the line joining the bases of the upper horns, corona well-developed, somewhat rectangular in outline with protruding margins; surface of endocarp head and neck fi nely ribbed; upper horns solid, 7–10 mm long, triangular in outline, their bases visibly raised, arms of upper horns abruptly ascending and characteristically recurved at the end, attenuate into short spine-like tips, adaxial surface of arms at least slightly depressed; lower horns (3–)4–8 mm long, triangular or narrowly triangular in outline, sharp at apex, usually slightly retrorse, straight or sometimes with ascending apical part, inserted approximately ⅓–½ of the way from endocarp base to apex; endocarp frame well-developed, bearing conical tubercles up to 1.5 mm long between the bases of the upper and lower horns; lower part of the endocarp body obtriangular in outline, truncate at the base, its surface, on one side only, covered with fi ve protruding longitudinal ribs; endocarp base with a small smooth ring, up to 1 mm high; basal scar up to 2 mm in diameter.
