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Cranea
Discussion
Diagnosis. Infructescence elongate, more or less cylindrical with helically arranged persistent involucres. Involucres sessile, saclike, gradually narrowed and somewhat more thickened apically, with a longitudinal slit extending from near the base to the apex, sometimes with bifurcate tips. Involucres at apex of infructescence smaller than those in the main portion. Nuts elliptical, smooth, with epigynous perianth.
Taxonomy
Cranea was named by Manchester and Chen (1998) [This genus is named for Dr. Peter R. Crane, recognizing his many contributions to paleobotany, plant systematics, and phylogeny.]. Its type is Cranea wyomingensis. It was considered unknown by Manchester and Chen (1998).
It was assigned to Betulaceae by Manchester and Chen (1998).
It was assigned to Betulaceae by Manchester and Chen (1998).
Species
C. wyomingensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1998 | Cranea Manchester and Chen |
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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. †Cranea Manchester and Chen 1998
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†Cranea wyomingensis Manchester and Chen 1998
Diagnosis
No diagnoses are available