Tropical Milkweed, host plant for Monarch and Queen butterflies, Asclepia curassavica
For medicinal purposes for sinus problems, it has a milk, you have a person lie down in a hammock so their head stays backwards a little, add the milk to the nose hole and make a little go down, then you hurry to lift up and make it drain out. Have to make sure it drains out because it a poison as well.
Photograph by Jorge Castellanos
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