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Classification System: APG IV

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

Familia: Loasaceae
Genera: AosaBlumenbachiaCaiophoraCevalliaEucnide – Fuertesia – Grausa – Gronovia – Huidobria – Kissenia – Klaprothia – Loasa – Mentzelia – Nasa – Petalonyx – Pinnasa – Plakothira – Presliophytum – Schismocarpus – Scyphanthus – Xylopodia

Loasaceae Juss. Ann. Mus. Natl. Hist. Nat. 5: 21. (1804) nom. cons.

Type genus: Loasa Adans. Fam. Pl. 2: 501. (1763)


Cevalliaceae Griseb. Gundriss der syst. Bot. 136. (1854)
Gronoviaceae (Rchb.) Endl. Bot. 493. (1841)
Gronovieae Rchb. Handb. Nat. Pfl.-Syst. 232. (1837)


Jussieu, A.L. de 1804. Annales du Muséum National d'Histoire Naturelle 5: 21. BHL
Acuña, R., Fließwasser, S., Ackermann, M., Henning, T., Luebert, F. & Weigend, M. 2017. Phylogenetic relationships and generic re‐arrangements in “South Andean Loasas” (Loasaceae). Taxon 66(2): 365-378. DOI: 10.12705/662.5 Paywall ResearchGate Reference page.
Govaerts, R. et al. 2020. Loasaceae in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Nov. 6. Reference page.
Hassler, M. 2020. Loasaceae. 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 Nov. 20. Reference page.
International Plant Names Index. 2016. Loasaceae. Published online. Accessed: Jan. 19 2016.
Stevens, P.F. 2001 onwards. Angiosperm Phylogeny Website. Version 14, July 2017 [and more or less continuously updated since]. Online. Reference page. 2016. Loasaceae. Missouri Botanical Garden. Published on the internet. Accessed: 2016 Jan. 19.
Weigend, M. 2006. Validating subfamily, genus and species names in Loasaceae (Cornales). Taxon 55(2): 463–468. DOI: 10.2307/25065594 Paywall JSTOR Reference page.

Vernacular names
Deutsch: Blumennesselgewächse
English: Loasas
suomi: Haimiokasvit
français: Loasacées
中文: 刺莲花科

Loasaceae is a family of 15–20 genera and about 200–260 species of flowering plants in the order Cornales, native to the Americas and Africa. Members of the family include annual, biennial and perennial herbaceous plants, and a few shrubs and small trees. Members of the subfamily Loasoideae are known to exhibit rapid thigmonastic stamen movement when pollinators are present.[2]


In the classification system of Dahlgren the Loasaceae were placed in the order Loasales in the superorder Loasiflorae (also called Loasanae). The Angiosperm Phylogeny Group system places them in the related order Cornales in the asterid clade.[3]

Genera include:

Aosa Weigend (sometimes included in Loasa)
Blumenbachia Schrad.
Caiophora C. Presl
Cevallia Lag.
Chichicaste Weigend (sometimes included in Loasa)
Eucnide Zucc.
Fuertesia Urb.
Gronovia L.
Huidobria Gay (sometimes included in Loasa)
Kissenia R. Br. ex Endl.
Klaprothia Kunth
Loasa Adans.
Mentzelia L.
Nasa Weigend (sometimes included in Loasa)
Petalonyx A. Gray
Plakothira Florence
Presliophytum (Urb. & Gilg) Weigend (sometimes included in Loasa)
Schismocarpus S. F. Blake
Scyphanthus Sweet
Xylopodia Weigend


Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III". Botanical Journal of the Linnean Society. 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x.
Henning, Tilo; Weigend, Maximilian (2013). "Beautiful, complicated--and intelligent? Novel aspects of the thigmonastic stamen movement in Loasaceae". Plant Signaling & Behavior. 8(6) (e24605): e24605. doi:10.4161/psb.24605. PMC 3909056. PMID 23603953.
Angiosperm Phylogeny Group (2016). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV". Botanical Journal of the Linnean Society. 181 (1): 1–20. doi:10.1111/boj.12385. ISSN 0024-4074.

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