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Primotrapa
Genus Primotrapa Y. Li, C.-S. Li in Y. Li, Y.-M. Cui, Gee, X.-Q. Liang, C.-S. Li BMC Evol. Biol., 20(150): 3. 12 Nov 2020
- Name
- Primotrapa
- Rank
- Genus
- Authors (Name)
- Li Y.
Li C.-S.
- Authors (Pub.)
- Li Y.
Cui Y.-M.
Gee C. T.
Liang X.-Q.
Li C.-S.
- Publication
- Primotrapa gen. nov., an extinct transitional genus bridging the evolutionary gap between Lythraceae and Trapoideae, from the early Miocene of North China [2020/11]
- Journal
- BMC Evolutionary Biology
- Volume
- 20
- Issue
- 150
- Page number
- 3
- Year
- 2020
- Parent Taxon
- [Family] Lythraceae
- Type
- Primotrapa weichangensis
- Diagnosis
- Flowers perigynous or basally epigynous,
bearing a short shallow, saucer-shaped floral cup,
persistent on the fruit. Sepals 4, acicular, sparsely barbellate
toward apex, inserted on floral axis in the same
whorl, curved away from the floral axis, persistent on
the fruit. Intersepal appendages 4, acicular, spiny, dichotomizing
once, alternating with sepals at the rim of the
cup, detaching from mature fruit. Ovary superior to basally
inferior. Fruit fusiform, irregularly dehiscent, one-seeded,
with an elongated apex, sparsely ribbed surface,
and a long persistent peduncle.
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