Annona pittieri
| Annona pittieri | |
|---|---|
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| Photograph of Annona pittieri including leaves, flowers and fruit.[1] | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Magnoliids |
| Order: | Magnoliales |
| Family: | Annonaceae |
| Genus: | Annona |
| Species: | A. pittieri
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| Binomial name | |
| Annona pittieri | |
Annona pittieri is a species of plant in the family Annonaceae. It is native to Costa Rica and Panamá.[3] John Donnell Smith, the American taxonomist who first formally described the species, named it after Henri François Pittier, the Swiss botanist who collected specimen he examined.
Description
[edit]Its long thin leaves are 16–18 cm by 4–5 cm. Its leaves have 12 secondary veins emanating from each side of their midribs. Its petioles are 6-8 millimeters long. Its flowers are on 3.3 centimeters long peduncles that occur in groups of 1-5. Its flowers have 3 millimeter long calyces with triangular lobes. Its flowers have 3 triangular petals with concave bases. The petals are 33 by 7 millimeters. Its flowers have receptacles that are 3 millimeters wide. Its stamens are 1 millimeter long. Its ovaries are covered in fine hairs and topped by 2 millimeter long styles.[4]
Reproductive biology
[edit]The pollen of Annona pittieri is shed as permanent tetrads.[5]
References
[edit]- ^ "Annona pittieri Donn. Sm". Tropicos. Tropicos.org. Missouri Botanical Garden. n.d. Retrieved August 3, 2023.
- ^ Botanic Gardens Conservation International (BGCI).; IUCN SSC Global Tree Specialist Group (2018). "Annona pittieri". IUCN Red List of Threatened Species. 2018: e.T136094410A136094412. doi:10.2305/IUCN.UK.2018-2.RLTS.T136094410A136094412.en. Retrieved 12 November 2021.
- ^ "Annona pittieri Donn.Sm". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved January 4, 2019.
- ^ Smith, John Donnell (1897). "Undescribed Plants from Guatemala and Other Central American Republics. XIX". Botanical Gazette. 24 (6): 389–398. doi:10.1086/327610. ISSN 0006-8071. S2CID 224845924.
- ^ Walker, James W. (1971). "Pollen Morphology, Phytogeography, and Phylogeny of the Annonaceae". Contributions from the Gray Herbarium of Harvard University. 202 (202): 1–130. doi:10.5962/p.272704. JSTOR 41764703. S2CID 249081277.