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Platananthus
Taxonomy
Platananthus was named by Manchester (1986) [known from petrified and compression specimens]. It is not extant. Its type is Platananthus synandrus. It was considered monophyletic by Manchester (1986).
It was assigned to Platanaceae by Manchester (1986) and Friis et al. (1988).
It was assigned to Platanaceae by Manchester (1986) and Friis et al. (1988).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Platananthus Manchester |
| 1988 | Platananthus Friis et al. |
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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.
G. †Platananthus Manchester 1986
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†Platananthus hueberi Friis et al. 1988
†Platananthus scanicus Friis et al. 1988
†Platananthus synandrus Manchester 1986
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. R. Manchester 1986 | Globose staminate heads 3-10 mm in diameter composed of a spheroidal receptacular core surrounded by numerous staminate florets. Each floret has five elongate anthers on short filaments with conical, elongate-peltate connectives surrounded by prominent tepals. Pollen reticulate, tricolpate, and small, 11-16 μm polar length, 8-14 μm equatorial diameter. |