Jasminonerium grandifolium (Jasminonerium grandifolium)
Description
Oleander grows to 2-6-m (6.6-19.7-ft) tall, with erect stems that splay outward as they mature; first-year stems have a glaucous bloom, while mature stems have a grayish bark. The-leaves-are in pairs or whorls of three, thick and leathery, dark-green, narrow lanceolate, 5-21-cm (2.0-8.3-in) long and 1-3.5-cm (0.39-1.38-in) broad, and with an entire margin filled with minute reticulate venation web typical to Eudicots. The-flowers-grow in clusters at the end of each branch; they are white, pink to red,[Note 2]-2.5-5-cm (0.98-1.97-in) diameter, with a deeply 5-lobed fringed corolla round the central corolla tube. They are often, but not always, sweet-scented.[Note 3]-The-fruit-is a long narrow-capsule-5-23-cm (2.0-9.1-in) long, which splits open at maturity to release numerous downy-seeds.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Gentianales
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Family: Apocynaceae
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Genus: Gentianales
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