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GREATER BUTTERFLY-ORCHID Platanthera chlorantha (Orchidaceae) Height to 50cm. Tall and elegant orchid of undisturbed woodland, scrub and grassland, mostly on calcareous soils. FLOWERS are greenish white with a long, narrow lip, a long spur (15-25mm) and pollen sacs that form an inverted ‘v’; borne in open spikes (Jun-Jul). FRUITS form and swell at the base of the flowers. LEAVES comprise a single pair at the base of the plant and a few smaller stem leaves. STATUS-Widespread but local.