| 词条 | Annona pittieri |
| 释义 |
|status=LC |status_system= IUCN3.1 |genus = Annona |species = pittieri |authority = Donn.Sm. }}Annona nutans is a species of plant in the family Annonaceae. It is native to Costa Rica and Panamá.[1] DescriptionProminent features include long thin leaves, 16–18 cm by 4–5 cm and flowers with 3 concave petals.[2] Reproductive biologyThe pollen of Annona pittieri is shed as permanent tetrads.[3] References1. ^{{cite web |url= http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:14326-2 |title= Annona pittieri Donn.Sm. |author= |date=n.d. |website=Plants of the World Online |publisher=The Trustees of the Royal Botanic Gardens, Kew |access-date=January 4, 2019}} {{Taxonbar|from=Q15401014}}2. ^{{cite journal |last=Smith |first=John Donnell |date=1897 |title=Undescribed Plants from Guatemala and Other Central American Republics. XIX. |journal=Botanical Gazette |volume=24 |pages=389–398}} 3. ^Walker JW (1971) Pollen Morphology, Phytogeography, and Phylogeny of the Annonaceae. Contributions from the Gray Herbarium of Harvard University, 202: 1-130. 3 : Annona|Flora of Costa Rica|Flora of Panama |
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