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Annona acutiflora is a species of plant in the Annonaceae family. It is native to Brazil.[2] Carl Friedrich Philipp von Martius, the German botanist who first formally described the species, named it after the inner petals which come to a sharp point (acutatus in Latin).[3][4]
It is a tree reaching 3.7-5.5 meters in height. Its branches have numerous lenticels. Its leaves are crowded and arranged in two opposite rows on the branches. The membranous, oblong leaves are 5.4-13.5 by 2.7-5.4 centimeters. The leaves are smooth, dark green on their upper surfaces, and come to a tapering point at their tip. The leaves have 8-11 pairs of secondary veins emanating from their midribs. Its hairless petioles are 4.5-6.8 millimeters long and have a furrow on their upper surface. Its flower buds are covered in rust-colored hairs. The inflorescences are extra-axillary. When young the inflorescences are enclosed by two triangular, hairy, rust-colored bracts. The inflorescences consist of 2-3 flowers on peduncles. Its flowers have a calyx with 3 triangular lobes that are 4 millimeters long and come to a point at their tip. It has 6 petals arranged in 2 rows of 3. The fleshy outer petals are white with a purple or red spot at their base. The outer petals are united at their base and 12-16 millimeters long. The tip of the outer petals comes to a tapering point. The oval-shaped inner petals are white with a purple spot at their base. The inner petals are 6-8 millimeters long and come to a sharp point at their tips. Its flowers have numerous short, yellow stamens. Its flowers have numerous carpels that are crowded together. Its oblong ovaries are covered with long soft hairs. Its short styles are topped by velvety stigmas. Its unripe fruit are bumpy, oval to cone shaped, reddish, covered in fine hairs.[4][5]
The pollen of Annona acutiflora is shed as permanent tetrads.[6]
It grows in moist, forested areas and on coastal sandy areas.[5]
Annona acutiflora is a species of plant in the Annonaceae family. It is native to Brazil. Carl Friedrich Philipp von Martius, the German botanist who first formally described the species, named it after the inner petals which come to a sharp point (acutatus in Latin).
Annona acutiflora Mart. – gatunek rośliny z rodziny flaszowcowatych (Annonaceae Juss.). Występuje endemicznie w Brazylii (w stanach Bahia, Espírito Santo oraz Rio de Janeiro)[3][4][5].
Rośnie na wybrzeżu, na otwartych przestrzeniach w lasach oraz w zaroślach. Występuje na terenach nizinnych[4].
Annona acutiflora Mart. – gatunek rośliny z rodziny flaszowcowatych (Annonaceae Juss.). Występuje endemicznie w Brazylii (w stanach Bahia, Espírito Santo oraz Rio de Janeiro).
Annona acutiflora[1] este o specie de plante angiosperme din genul Annona, familia Annonaceae, descrisă de Carl Friedrich Philipp von Martius.[2][3] Conform Catalogue of Life specia Annona acutiflora nu are subspecii cunoscute.[2]
Annona acutiflora este o specie de plante angiosperme din genul Annona, familia Annonaceae, descrisă de Carl Friedrich Philipp von Martius. Conform Catalogue of Life specia Annona acutiflora nu are subspecii cunoscute.
Annona acutiflora là loài thực vật có hoa thuộc họ Na. Loài này được Mart. mô tả khoa học đầu tiên năm 1841.[1]
Annona acutiflora là loài thực vật có hoa thuộc họ Na. Loài này được Mart. mô tả khoa học đầu tiên năm 1841.
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