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Odontadenia macrantha is a vine of the family Apocynaceae native to Central and South America.
The cylindrical stem is either woody or just woody at the base. The smooth oval leaves are 9–35 centimetres (3.5–13.8 in) long by 4–15.5 centimetres (1.6–6.1 in) wide, and sit on 1–1.3-centimetre (0.39–0.51 in) long petioles. They are oppositely arranged on the stem. The orange or yellow flowers are 6–10 centimetres (2.4–3.9 in) in diameter with a 3–4.5-centimetre (1.2–1.8 in) long tube. However, flower shape and colour can vary considerably. Flowering takes place all year, with a peak from December to August, while fruiting peaks from April to October; the smooth seed pods are 20–26 centimetres (7.9–10.2 in) long by 3.5–4.5 centimetres (1.4–1.8 in) wide.
Text excerpted from the Wikipedia article Odontadenia macrantha by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
