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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Lamiids
Ordo: Lamiales

Familia: Gesneriaceae
Subfamilia: Gesnerioideae
Tribus: Gesnerieae
Subtribus: Gloxiniinae
Genus: Diastema
Species: D. affine – D. comiferum – D. eggersianum – D. fimbratiloba – D. gymnoleuca – D. hispidum – D. incisum – D. kalbreyeri – D. latiflora – D. maculatum – D. purpurascens – D. racemiferum – D. rupestre – D. scabrum – D. sodiroanum – D. tenerrimum – D. urticifolium – D. vexans – D. weberbaueri – D. williamsii

Diastema Benth., Bot. Voy. Sulphur [Bentham] 132. (1845)

Type species: Diastema racemiferum Benth., Bot. Voy. Sulphur [Bentham] 132. (1845)


Diastemation Müll.Berol.
Diastemella Oerst.

Native distribution areas:

Continental Mexico & Southern America
Bolivia, Brazil North, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Mexico Gulf, Mexico Southeast, Mexico Southwest, Nicaragua, Panama, Peru, Venezuela

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

Primary references

Bentham, G. 1844–1846. The botany of the voyage of H.M.S. Sulphur, under the command of Captain Sir Edward Belcher, R.N., C.B., F.R.G.S, etc. during the years 1836–42. 195 pp., 60 tt. Smith, Elder and Co., London. BHL Reference page. : 132].

Additional references

Clark J.L., Skog L.E., Boggan J.K. & Ginzbarg, S. 2020. Index to names of New World members of the Gesneriaceae (subfamilies Sanangoideae and Gesnerioideae). Rheedea: Official Journal of Indian Association for Angiosperm Taxonomy 30(1): 190-256. DOI: 10.22244/rheedea.2020.30.01.14 PDF Reference page.


Govaerts, R. et al. 2020. Diastema in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 July 26. Reference page.
Hassler, M. 2020. Diastema. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2020. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2020 July 26. Reference page.
International Plant Names Index. 2020. Diastema. Published online. Accessed: July 26 2020. 2020. Diastema. Missouri Botanical Garden. Published on the internet. Accessed: 2020 July 26.

Vernacular names
русский: Диастема
中文: 尖蒴岩桐属

Diastema is a genus of flowering plant in the family Gesneriaceae containing approximately 20 species ranging from Mexico to Bolivia and Venezuela.[1]

Diastema contains at least 20 valid species as of 2013.[2]

Diastema affine Fritsch
Diastema comiferum (DC.) Benth. ex Walp.
Diastema eggersianum Fritsch
Diastema gymnoleuca Gilli
Diastema hispidum (DC.) Fritsch
Diastema incisum Benth.
Diastema kalbreyeri Fritsch
Diastema latiflora Rusby
Diastema lehmannii Regel
Diastema maculatum (Poepp.) Benth. ex Walp.
Diastema micranthum Donn.Sm.
Diastema purpurascens Rusby
Diastema racemiferum Benth.
Diastema rupestre Brandegee
Diastema scabrum (Poepp.) Benth. ex Walp.
Diastema sodiroanum Fritsch
Diastema tenerrimum (Poepp.) Benth. ex Walp.
Diastema urticifolium (Poepp.) Benth. ex Walp.
Diastema vexans H.E.Moore
Diastema weberbaueri Fitsch
Diastema williamsii Rusby


Weber, A. & L.E. Skog (2007-01-05). "Diastema". The genera of Gesneriaceae. Basic information with illustration of selected species (2nd ed.).
"Diastema". The Plant List Version 1.1. Retrieved 18 March 2014.

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