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Species of flowering plant From Wikipedia, the free encyclopedia
Annona dioica is a species of plant in the family Annonaceae. It is native to Bolivia, Brazil and Paraguay.[3] Augustin Saint-Hilaire, the French botanist who first formally described the species, named it after its flowers which have different reproductive structures (δίς, dís, two in Greek) and (οἶκος, oîkos, house in Greek).
| Annona dioica | |
|---|---|
| |
| Botanical illustration of Annona dioica using they synonym A. cuyabaensis[1] | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Magnoliids |
| Order: | Magnoliales |
| Family: | Annonaceae |
| Genus: | Annona |
| Species: | A. dioica |
| Binomial name | |
| Annona dioica | |
| Synonyms | |
| |
It is a bush reaching 0.5-2 meters in height. Its oval, hairy leaves are 5-16 by 3-15 centimeters and have rounded tips. Its petioles are 2.25-4.5 millimeters long and covered in wooly hair. Its inflorescences consist of 1-3 curved peduncles that are 2-3.4 centimeters long and covered in rust-colored hairs. Its flowers have a diameter of 6.75 centimeters. Its calyx has triangular lobes. Its yellow-green outer petals are oval-shaped, leathery, hairy and come to a shallow point at their tips. The inner petals are smaller than the outer. Its stamens have 4 millimeter long filaments and anthers that are 4 times as long.[4][5]
The pollen of Annona dioica is shed as permanent tetrads.[6] Plants are androdioecious with flowers that are both male and female, or male only. Pollination is mediated by the Cyclocephala atricapilla beetle.[7]
It grows at elevations of 80-1000 meters. It blossoms in December.[5]
Extracts from the leaves and wood contain bioactive compounds.[8][9] Parts of the plant are used in Brazilian traditional medicine to treat a variety of ailments including diarrhea and rheumatism.[10]
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