"Reticulata irises": a nomenclatural and taxonomic synopsis of the genera Alatavia and Iridodictyum (Iris subg. Hermodactyloides auct., Iridaceae)

The "Reticulata irises" are dwarf irises highly appreciated in horticulture, which are characterised by their tuberiform bulbs, with a single fleshy inner tunic clothed mostly with reticulate or reticulate-hairy outer tunics, and basal leaves bifacial, angulose or finely sulcate in section...

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Published inPlant biosystems Vol. 158; no. 4; pp. 763 - 787
Main Authors Crespo, Manuel B., Martínez-Azorín, Mario, Mavrodiev, Evgeny V.
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 03.07.2024
Taylor & Francis Ltd
Subjects
Asparagales
Biogeography
Genera
Geographical distribution
Horticulture
integrative taxonomy
Iris sect. Reticulatae
Lectotypes
New taxa
nomenclature
Phylogeny
plant distribution
Taxa
Taxonomy
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Summary:The "Reticulata irises" are dwarf irises highly appreciated in horticulture, which are characterised by their tuberiform bulbs, with a single fleshy inner tunic clothed mostly with reticulate or reticulate-hairy outer tunics, and basal leaves bifacial, angulose or finely sulcate in section. The aggregate is often accepted as a taxonomically compact group to which the name Iris subg. Hermodactyloides (Iris sect. Reticulatae) is often applied. It includes between 10-22 taxa (species and subspecies) occurring disjunctly from central Türkiye and the Transcaucasus throughout the Middle East to western China. Molecular work shows that Iris subg. Hermodactyloides, is polyphyletic as frequently delineated. Alternatively, analytic treatments accept two genera, Alatavia and Iridodictyum, exhibiting clear differences in morphology, biogeography, and phylogenetic connections. Recently, new field prospection across scarcely prospected vast territories led to the description of many new taxa in the "Reticulata irises." In this context, an updated synopsis of the bulbous genera Alatavia (four species) and Iridodictyum (18 + 2 species) is reported. For each accepted taxon, main synonyms, type indication, chromosome numbers, distribution areas, and taxonomic or nomenclatural remarks are reported. Further, five new specific combinations are introduced, and also four neotypes, two lectotypes, two second-step lectotypes, and one epitype are designated.
ISSN:1126-3504
1724-5575
DOI:10.1080/11263504.2024.2357304