Three-tooth orchid (Orchis tridentata)

By | October 31, 2017

Three-tooth orchid (Orchis tridentata)

Tubers approx 1-3 cm length.

Momentum 12-40 cm h., straight, quite strong.

Leaves 5-8, length. 4-12 cm, 1-2,5 cm times., lancetowate, spicy, bluish- to blue-green, the lowest collected in a rosette at the base of the shoot, 2-3 the highest ones surround the bud of the inflorescence.

Inflorescence 2-10 cm length, round to ovoid, gestures, multiflorous. Medium-sized flowers, petals pressed against the helmet.

Hypophysis 3-4 mm length, lancetowata, spicy, membranous, adheres to the ovary, dirty pink.

Ovary 8-11 mm length, almost straight, narrow, twisted, pale green to pale pink, usually with darker ribs.

Flower of a three-tooth orchid (Orchis tridentata) a – upper outer lobe of the perianth, b – internal side, c – lateral external, d – warżka, e – ovary and spur, f – hypophysis.

Warżka 7-10 mm length, 4-6 mm width, almost flat or with side patches slightly bent upwards, white or pale pink with dark ones, reddish-purple spots. Spur 4-6 mm long, cylindrical, blunt, pale pink.

Upper outer petal 6-9 mm length, 2-3 mm width, broad lanceolate, long sharpened, pale pink to pink with darker veins. Lateral outer petals 8-10 mm length, 2—3 mm wide, similar shape and color, only clearly asymmetrical.

Lateral inner petals 4–6 mm long., 2—3 mm wide, lancetowate, asymmetric, spicy, but not so much narrowed towards the tops as the outer ones.

The fruit usually approx 10 mm length, slightly bloated.

The three-toothed orchid is found in southern and south-eastern Europe and Asia Minor. It was only served from Poland from the Moravian Gate. There has been no record in this area recently. It is probably a species, which we should enter into the list of extinct in our flora.

It grows in the light, overexposed forests and clearings, in bushes and on slopes, on dry soils, moderately fertile, formed on a carbonate substrate.

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