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Virginianthus

Magnoliopsida - Magnoliales - Calycanthaceae

Taxonomy
Virginianthus was named by Friis et al. (1994). Its type is Virginianthus calycanthoides.

It was assigned to Calycanthaceae by Friis et al. (1994) and Crane and Herendeen (1996).

Synonymy list
YearName and author
1994Virginianthus Friis et al.
1996Virginianthus Crane and Herendeen

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RankNameAuthor
kingdomPlantae
phylumSpermatophyta
classMagnoliopsidaCronquist et al. 1996
Magnoliid
RankNameAuthor
orderMagnolialesJussieu 1820
familyCalycanthaceaeLindley 1819
genusVirginianthusFriis et al. 1994

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
ReferenceDiagnosis
E. M. Friis et al. 1994Flower small, bisexual, actinomorphic, and multipartite. Hypanthium cup-shaped. Perianth and androecium composed of numerous parts arranged in densely crowded series on the rim of the floral cup. Stamens not clearly differentiated into anther and filament. Anthers dithecate and tetrasporangiate, extrorse, dehiscing by four laterally hinged valves; pollen sacsa linear and parallel; sterile tissue abundant, surrounding the sporangia apically, laterally, basally, and adaxially; inner series of androecium staminodial. Pollen monocolpate. Gynoecium composed of numerous free carpels borne on the inner surface of the hypanthium.