This
is an extremely familiar Mediterranean orchid whose
name refers to the milky colour of its flowers. It was first described from Algeria in 1798 and originally grouped with the Neotinea genus before being reclassified as an Orchis. Much study has again been given to the O. tridentata group and this has resulted in all the members (including O. lactea) being returned to the Neotinea stable.
N. lactea
is a common orchid with a known range throughout the
Mediterranean, its distribution is not however fully understood due to
confusion with N. tridentata, N. conica and N. commutata. There are though two significant characteristics which can help differentiate N. lactea from the other three - firstly it has an elongated inflorescence that usually (but by no means always) carries numerous tightly
packed flowers whereas the others have a shorter, often conical
shaped inflorescence and in the case of N. tridentata the flower head tends to be flat topped with a longer stem. The
second distinguishing feature is the flower lip, which in this species has a knee joint type of profile below the stigmatic cavity
and strongly recurved lip edges. The overall impression is of
body builder throwing his chest forward and shoulders back. (
Photograph 1 illustrates this point very well )
The
other species all have flattish lips with
edges that are either straight or curved forward. A less
reliable feature of N. lactea is the colouration of the inner hood which is generally greener and more boldly lined.
As can be seen from the illustrations, the markings and colouration can vary widely from pure white to an almost solid
dark pink. The typical flower however will be pale pink
with darker spots or striation. The photograph's come from Crete, Lesbos and Sicily and were all taken during the first two weeks of April.
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