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Hexagyne
Genus Hexagyne Coiffard, B.A.R. Mohr, Bern.-de-Oliv. Taxon, 63(6): 1276. 22 Dec 2014
- Name
- Hexagyne
- Rank
- Genus
- Authors (Pub.)
- Coiffard C.
Mohr B. A. R.
Bernardes-de-Oliveira M.
- Publication
- Hexagyne philippiana gen. et sp. nov., a piperalean angiosperm from the Early Cretaceous of northern Gondwana (Crato Formation, Brazil) [2014/12]
- Journal
- Taxon
- Volume
- 63
- Issue
- 6
- Page number
- 1276
- Year
- 2014
- Parent Taxon
- [Order] Piperales
- Fossil Status
- stems (with reproductive organs)
- Type
- Hexagyne philippiana
- Diagnosis
- Plant ramified; leaves simple, alternate and petiolate; petioles forming broad stipular wings; leaf margins entire and unlobed; primary venation basal acrodromous; secondary venation brochidodromous; spacing between secondary veins increasing toward the base and their angle smoothly decreasing toward the base; intersecondary veins strong; tertiary veins mixed opposite/alternate percurrent, their course straight, forming a uniform, obtuse angle to the primaries; quaternary veins opposite percurrent; marginal ultimate venation looped; flowers in terminal racemes, subtended by a bract, hypogynous; gynoecium eusyncarpous, with six carpels arranged in a whorl.
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