Vanilla polylepis

Species of orchid

Vanilla polylepis is a climbing orchid species in the plant family Orchidaceae. It is native to tropical Africa, with a range spanning the width of the continent, from Kenya to Angola. It grows in high-altitude evergreen and swamp forests between 1,200–1,500 m (3,900–4,900 ft) and is often found growing on trees bordering rivers and waterfalls. Plants produce bright green, fleshy stems, 10–12 mm (0.39–0.47 in) in diameter, with large, glossy leaves. White, aerial roots form on the stems allowing the orchids to attach themselves to trees for support. As with many orchids, they produce showy flowers, which in the case of V. polylepis are white and yellow with a pink to maroon blotch. This differentiates them from similar species. They have seedpod-like fruits, called capsules, which produce a distinctive aroma as they dry. They are closely related to the well-known species Vanilla planifolia, whose seed pods are used commercially in the production of vanilla flavouring.

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