{{Short description|Genus of flowering plants}} {{Automatic taxobox | image = Albidella oligococca 30136212.jpg | image_caption = ''Albidella oligococca'' | taxon = Albidella | authority = Pichon }}
'''''Albidella''''' is a genus of flowering plants in the family Alismataceae. It includes four species native to the tropics.<ref name = powo>{{cite web |title=''Albidella'' Pichon |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:295799-2 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=25 May 2025}}</ref>
== Species == Four species are accepted.<ref name = powo/> * ''Albidella acanthocarpa'' {{small|(F.Muell.) Lehtonen}} * ''Albidella glandulosa'' {{small|(Thwaites) Lehtonen}} * ''Albidella nymphaeifolia'' {{small|(Griseb.) Pichon}} * ''Albidella oligococca'' {{small|(F.Muell.) Lehtonen}}
==Etymology== ''Albidella'' is a taxonomic anagram derived from the name of the confamilial genus ''Baldellia''. The latter name is a taxonomic patronym honoring the Italian nobleman Bartolommeo Bartoloni-Baldelli.<ref name="Burkhardt2018">{{Cite book |last=Burkhardt |first=Lotte |title=Verzeichnis eponymischer Pflanzennamen - Erweiterte Edition. Index of Eponymic Plant Names - Extended Edition. Index de Noms éponymiques des Plantes - Édition augmentée |date=2018-06-06 |publisher=Botanic Garden and Botanical Museum Berlin, Freie Universität Berlin |page=A13 |isbn=978-3-946292-26-5 |language=de |doi=10.3372/epolist2018 |s2cid=187926901 }}</ref>
==Description== This genus markedly differs from ''Echinodorus'' by a typical paniculate inflorescence shaped as a regular pyramid. Flowering stalk is 40 – 50 cm tall, inflorescence up to 12 – 20 cm long, flowers arranged in 2 - 6 whorls, bracts of the lower whorl reach a length of 2.5 – 4 cm and a width of 0.5 - 0.8 cm, bracts in further whorls being only 2 – 5 mm long. Corolla white, stamens usually 9. Compound fruit comprises maximum 20 achenes, each 1.4 - 1.6 mm long x 1 mm wide with a broad crested keel and with crested ribs and 1 or 2 long glands on each face, beak 0.2 mm long.<ref>Pichon, Marcel. 1946. Notulae Systematicae. Herbier du Museum National d'Histoire Naturelle de Paris, Phanérogramie, 12: 174-175</ref>
==References== {{Reflist}}
==External links== * [https://web.archive.org/web/20140514062834/http://fm1.fieldmuseum.org/vrrc/?page=view&id=736&PHPSESSID=a762e654d0b2a0e12400138ab48a0bc8 Herbarium specimen - Belize] * [http://www.tropicos.org/ImageFullView.aspx?imageid=59521 photo of herbarium specimen at Missouri Botanical Garden, collected Cuba in the 1860s, isolectotype of ''Alisma nymphaeifolium'' hence also of ''Albidella nymphaeifolia''] * [http://www.tropicos.org/ImageFullView.aspx?imageid=59520 photo of herbarium specimen at Natural History Museum (London), collected Cuba in the 1860s, isolectotype of ''Alisma nymphaeifolium'' hence also of ''Albidella nymphaeifolia'' ] * [http://eol.org/pages/1087890/overview Encyclopedia of Life] * [https://www.inaturalist.org/taxa/206262-Albidella-nymphaeifolia/browse_photos Photos of Albidella nymphaeifolia]
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Category:Alismataceae Category:Alismataceae genera Category:Taxa described in 1947 Category:Taxa named by Marcel Pichon