Annona haitiensis
{{Short description|Species of flowering plant}}
{{speciesbox
|taxon= Annona haitiensis
| status = VU
| status_system = IUCN3.1
|authority= R.E.Fr.}}
Annona haitiensis is a species of plant in the Annonaceae family. It is endemic to the Caribbean island of Hispaniola.{{cite web
|url= https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:14272-2
|title= Annona haitiensis R.E.Fr.
|author=
|date=n.d.
|website=Plants of the World Online
|publisher=The Trustees of the Royal Botanic Gardens, Kew
|access-date=June 28, 2019}}
Robert Elias Fries, the Swedish botanist who first formally described the species, named it after Haiti where the specimen he examined was collected.
Description
It is a bush reaching 1.5 meters in height. Its membranous leaves are 4-6 by 0.7-1.5 centimeters and are rounded or shallowly notched at their tip. The leaf margins are slightly rolled under. The leaves are dull, pale green on their underside. The leaves have 8-10 pairs of secondary veins emanating from their midribs. Its petioles have a channel on their upper surface, are covered with fine hairs, often curve backwards, and are 2-2.5 millimeters long. Its solitary (sometimes in pairs) flowers are on 1-2 millimeter peduncles that emerge from older leafless branches. Its triangular sepals are 1 millimeters long and covered in brown shaggy hairs. Its 3 oblong, outer petals are 1 centimeter long with rounded tips. The petals have shaggy brown hair on their outer surface. Its stamen are 1.5-1.7 millimeters long with anthers that are 1 millimeters long. Its pistils are 1.7 millimeters long with hairy ovaries and heart-shaped stigmas.{{cite journal |last=Fries |first=R.E. |date=1927 |title= Die von Ekman in Westindien gesammelten Anonaceen |trans-title= The Anonacea collected by Ekman in the West Indies |language=German, Latin |journal= Arkiv för Botanik |volume=21A |issue=9 |pages=1–25}}
=Reproductive biology=
The pollen of A. haitiensis is shed as permanent tetrads.{{cite journal |last=Walker |first=James W. |date=1971 |title=Pollen Morphology, Phytogeography, and Phylogeny of the Annonaceae |jstor=41764703 |journal=Contributions from the Gray Herbarium of Harvard University |volume=202 |issue=202 |pages=1–130}}
References
{{Reflist}}
External links
- {{GBIF link|5407145|Annona haitiensis R.E.Fr.}}
{{Taxonbar|from=Q15400409}}
Category:Species described in 1927
Category:Flora of the Dominican Republic