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Genus :

VANILLA

Family :

ORCHIDACEAE

Description


Herbaceous, climbing vines. Stem terete, fleshy, several meters long, with an aerial root and a leaf at each node. Leaves fleshy, shortly petiolate. Racemes axillary, several to many flowered. Flowers resupinate, often large, rarely minute. Sepals and petals similar, free, spreading. Lip often joined to sides of column with its basal margin, sometimes almost to top of column, trumpet-shaped, free part often dilated, spurless, sometimes 3-lobed, disk often with hairy appendages adaxially. Column long, slender, slightly curved near top; anther inserted pointing downward; pollinia 2 or 4, granular-farinaceous, without caudicle or viscidium; rostellum often broad, below anther. Fruit cylindric, fleshy, often indehiscent. Seeds with stout testa, black, wingless.

Key to the species

Serial Key Reference
1a. Flowers 4 cm long V. aphylla
1b. Flowers less than 3 mm long V. havilandii