The racemose inflorescence's short-lived flowers arise successively on short peduncles from the leaf axils or scales. Long and strong aerial roots grow from each node. But there are also a significant number of species that have their leaves reduced to scales or have become nearly or totally leafless and appear to use their green climbing stems for photosynthesis. The short, oblong, dark green leaves of Vanilla are thick and leathery, even fleshy in some species. They can form long thin stems with a length of more than 35 m, with alternate leaves spread along their length. This genus of vine-like plants has a monopodial climbing habitus. The word vanilla, derived from the diminutive of the Spanish word vaina ( vaina itself meaning sheath or pod), simply translates as little pod.įlat-leaved vanilla ( Vanilla planifolia) habitus The genus was established in 1754 by Plumier, based on J. Five species are known from the contiguous United States, all limited to southern Florida. This evergreen genus occurs worldwide in tropical and subtropical regions, from tropical America to tropical Asia, New Guinea and West Africa. The key constituent imparting its flavour is the phenolic aldehyde, vanillin. It is the only orchid widely used for industrial purposes in flavoring such products as foods, beverages and cosmetics, and is recognized as the most popular aroma and flavor. planifolia), native to Mexico and Belize, from which commercial vanilla flavoring is derived. The most widely known member is the flat-leaved vanilla ( V. Vanilla, the vanilla orchids, forms a flowering plant genus of about 110 species in the orchid family ( Orchidaceae). JSTOR ( May 2009) ( Learn how and when to remove this template message)įlat-leaved vanilla ( Vanilla planifolia).
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