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Menispermaphyllum
Taxonomy
Menispermaphyllum was named by Hill (1989). It is not extant. Its type is Menispermaphyllum tomentosum.
It was assigned to Menispermaceae by Hill (1989).
It was assigned to Menispermaceae by Hill (1989).
Species
M. tomentosum (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Menispermaphyllum Hill |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. S. Hill 1989 | Leaves symmetrical, widely ovate. Leaf base obtuse to broadly and shallowly cordate, apex acute. Margin entire. Petiole unknown. Venation pattern basal actinodromous. Stomata confined to areoles on the lower epidermis, oriented at random. Subsidiary cells actinomorphic. Cuticular ledges overarch guard cells on outer surface. Trichome bases with a large, thickened, circular foot cell and radial or unmodified basal cells occur on both epidermises. Trichome basal cell thickened into a papilla-like
structure. Apical cell long, thinly cutinised, tapering to apex. |