| 词条 | Macrostelia |
| 释义 |
| image = | display_parents = 2 | taxon = Macrostelia | authority = Hochr. | subdivision_ranks = Species | subdivision = See text |}} Macrostelia is a genus in the tribe Hibisceae - in the family Malvaceae.[1] The genus consists of three species: M. calyculata Hochr., M. involucrata Hochr., and M. laurina (Baill.) Hochr. & Humbert. Macrostelias - all native to Madagascar - distinguish themselves from most other genera in Hibisceae by typically bearing flowers with a long corolla tube.[2] Although members of Hibiscus - an example of one of these other genera - may bear flowers with proximally connate petals, such connation occurs only at the very base of the petals. In the past, Macrostelia was considered to consist of at least a total of four species. The fourth species - formerly named Macrostelia grandifolia P.A. Fryxell - is now considered to be under the circumscription of Hibiscus. References1. ^{{Cite journal|last=Fryxell|first=P. A.|date=1974|title=New Species of Gossypium, Decaschistia, and Macrostelia (Malvaceae) From Australia|url=http://www.publish.csiro.au/bt/BT9740183|journal=Australian Journal of Botany|language=en|volume=22|issue=1|pages=183–193|doi=10.1071/bt9740183|issn=1444-9862}} {{Taxonbar|from=Q10322833}}{{Malvales-stub}}2. ^{{Cite web|url=http://www.theplantlist.org/1.1/browse/A/Malvaceae/Macrostelia/|title=Macrostelia — The Plant List|website=www.theplantlist.org|language=en|access-date=2018-02-03}} 2 : Hibisceae|Malvaceae genera |
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