Annona pittieri

Annona pittieri is a species of plant in the family Annonaceae. It is native to Costa Rica and Panamá.[2] 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.

Annona pittieri
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Magnoliales
Family: Annonaceae
Genus: Annona
Species:
A. pittieri
Binomial name
Annona pittieri

Description

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.[3]

Reproductive biology

The pollen of Annona pittieri is shed as permanent tetrads.[4]

References
  1. Botanic Gardens Conservation International (BGCI) & IUCN SSC Global Tree Specialist Group 2019 (2019). "Annona pittieri". IUCN Red List of Threatened Species. 2019: e.T136094410A136094412. doi:10.2305/IUCN.UK.2018-2.RLTS.T136094410A136094412.en. Retrieved July 22, 2019.
  2. "Annona pittieri Donn.Sm". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved January 4, 2019.
  3. 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.
  4. Walker, James W. (1971). "Pollen Morphology, Phytogeography, and Phylogeny of the Annonaceae". Contributions from the Gray Herbarium of Harvard University. 202 (202): 1–130. JSTOR 41764703.
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