# Henoonia

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{{Short description|Genus of plants}}
{{Speciesbox
| image = 
| image_caption = 
| genus = Henoonia
| parent_authority = [Griseb.](/source/Griseb.)
| species = myrtifolia
| authority = Griseb.
|synonyms = {{species list
|Castela brittonii |(Small) Engl.
|Castelaria brittonii |Small
|Bissea myrtifolia |(Griseb.) V.R.Fuentes
|Henoonia angustifolia |Urb.
|Henoonia brittonii (Small) Monach.}}
}}

'''''Henoonia''''' is a [monotypic genus](/source/monotypic_genus) of [flowering plant](/source/flowering_plant)s belonging to the family [Solanaceae](/source/Solanaceae).<ref>{{cite web |title=''Henoonia'' Griseb. {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:36753-1 |website=Plants of the World Online |access-date=26 May 2021 |language=en}}</ref> The only species is '''''Henoonia myrtifolia'''''.<ref name="POWO">{{cite web |title=''Henoonia myrtifolia'' Griseb. {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:278114-2 |website=Plants of the World Online |access-date=25 September 2021 |language=en}}</ref> It is native to Cuba.<ref name="POWO" /> It is a stiff bush, with a whitish [bark](/source/Bark_(botany)), red-pubescent branches, [alternate](/source/Leaf) papery leaves of 3.0-3.8 cm long and 1.0-1.3 cm wide that grow from thickened [node](/source/leafnode)s, with a very short [leafstalk](/source/Petiole_(botany)), shortly spade-shaped to oblong, the tip sharp or pointed, margin entire, veined, glabrous above, initially with soft rufous felty hair below but becoming glabrous with age except near the main vein. The rufous, velvety calyx of 2.5 mm long consists of 5 [sepal](/source/sepal)s, finally splitting under the fruit. [Corolla](/source/Perianth) merged, with 5 petal lobes, glabrous, with 5 [anther](/source/Stamen)s opposite the petal lobes. [Ovary](/source/Ovary_(botany)) superior, [unilocular](/source/Locule), [stigma](/source/Stigma_(botany)) simple and nearly seated. The velvety, globe- to egg-shaped [berry](/source/Berry_(botany)) of about 1.3 cm long is topped with a curved beak of about 0.6 cm. The [endosperm](/source/endosperm) is absorbed as the seed ripens, the seed skin leathery, the 2 [cotyledon](/source/cotyledon)s are leaf-like, and the embryonic root is short.<ref>{{cite book|author= A. Grisebach|year= 1866|title= Catalogus plantarum cubensium exhibens collectionem Wrightianam aliasque minores ex insula Cuba missas|publisher= Lipsae, Apud Gulielmum Engelmann|pages= 166–167|doi= 10.5962/bhl.title.177|url= https://doi.org/10.5962/bhl.title.177}}</ref> 

The genus name of ''Henonia'' is thought to be in honour of [Jacques-Louis Hénon](/source/Jacques-Louis_H%C3%A9non) (1802–1872),  a French republican politician.<ref>{{cite book | last=Burkhardt | first=Lotte | title=Verzeichnis eponymischer Pflanzennamen – Erweiterte Edition |trans-title=Index of Eponymic Plant Names – Extended Edition | publisher=Botanic Garden and Botanical Museum, Freie Universität Berlin | year=2018 | isbn=978-3-946292-26-5 | url=https://doi.org/10.3372/epolist2018 |format=pdf |language=German |location=Berlin | doi=10.3372/epolist2018 |access-date=1 January 2021}}</ref> The Latin [specific epithet](/source/binomial_nomenclature) of ''myrtifolia'' 'myrtle-leaved' is derived from the [Latin](/source/Latin) ''myrtus'' meaning '[myrtle](/source/Myrtaceae)', and ''folium'' meaning 'leaf'.<ref>{{cite web|url=http://anpsa.org.au/a-myr.html|title=''Acacia myrtifolia''|access-date=2 September 2018|publisher=Australian Native Plants Society|archive-date=2 September 2018|archive-url=https://web.archive.org/web/20180902151931/http://anpsa.org.au/a-myr.html|url-status=dead}}</ref> It was first described and published in Cat. Pl. Cub. on page 167 in 1866.<ref name="POWO" />

==References==
{{Reflist}}

{{Taxonbar|from=Q15935413}}

Category:Solanaceae
Category:Monotypic Solanaceae genera
Category:Plants described in 1866
Category:Endemic flora of Cuba
Category:Taxa named by August Grisebach

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Adapted from the Wikipedia article [Henoonia](https://en.wikipedia.org/wiki/Henoonia) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Henoonia?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.