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Langspornige Handwurz

Gymnadenia conopsea

Summary 5

Gymnadenia conopsea, the fragrant orchid, is a herbaceous plant belonging to the family Orchidaceae.

Description 6

Gymnadenia conopsea reaches on average 20–60 centimetres (7.9–23.6 in) of height, with a maximum of 80 centimetres (31 in). These plants are bulbous geophytes, as they bring their buds in underground tubers or bulbs, organs that annually produce new stems, leaves and flowers. Furthermore these orchids are "terrestrial", because unlike "epiphyte" species do not live at the expense of other plants of major sizes.

The stem is leafy and robust, with a striated surface. The leaves are long, narrow and lanceolate and vary from 3 to 7. The leaf color is gray-green. Size of leaf: width 1 to 2 cm, length 10 – 25 cm.

These orchids have two ovoidal bulbs, deeply webbed and with many small and short lobes. Size of tubers: 1 to 3.5 cm.

The inflorescence is 5–25 centimetres (2.0–9.8 in) long and it is composed of flowers gathered in dense cylindrical spikes (up to 50 flowers per spike). These inflorescences are scented and genes underlying eugenol (a volatile scent compound) production have been identified in Gymnadenia conopsea, Gymnadenia odoratissima and Gymnadenia densiflora The flowers are petiolated, placed in the axils of long bracts and reach on average 8–14 centimetres (3.1–5.5 in). They have a distinctive three lobed lip and long spurs. Their light scent is similar to cloves. Their colors vary from white and pink to pink-purple, more rarely white. These flowers bloom in the Summer, from June to July. They are hermaphrodite and pollinated by insects (entomophily), including moths. The species is almost exclusively pollinated by moths (Lepidoptera). The most common pollinators are the small elephant hawk-moth (Deilephila porcellus), hummingbird hawk-moth (Macroglossum stellatarum), silver Y (Autographa gamma), burnished brass (Diachrysia chrysitis) and large yellow underwing (Noctua pronuba). Fruit set is high with an average of 73%. The seeds germination is conditioned by the presence of specific fungi.

Habitat 6

This species habitat includes mountain meadows and pastures, grassland and fens. They grow on siliceous and calcareous substrate, mildly damp and with low nutritional value, at an altitude of 0–2,400 metres (0–7,874 ft) above sea level.

Etymology 6

The name of the genus Gymnadenia is formed from Greek words γυμνός (gymnós, "nude") and ἀδήν (adēn, "gland") and refers to the characteristics of the organs for secreting nectar. The specific Latin name "conopsea" derives from the Greek κώνωψ (kónops), literally meaning "mosquito-like", probably because of the similarity of the long spur of the flower with the mouthparts of a mosquito.

The scientific binomial name of this plant was initially Orchis conopsea, proposed by the Swedish naturalist and botanist Carl von Linné (1707–1778) in his Species Plantarum of 1753. The name has been subsequently amended to the one currently accepted (Gymnadenia conopsea), by the British botanist Robert Brown (1773–1858) in 1813. In German, this plant is called Mücken-Händelwurz or Mücken Nacktdrüse; in French, is called gymnadénie moucheron or orchis moucheron; in Italy, it is called manina rosea ("pink hand").

Associations 7

Foodplant / parasite
caeomoid aecium of Melampsora epitea parasitises live Gymnadenia conopsea

Foodplant / parasite
mostly hypophyllous aecium of Melampsora epitea var. epitea parasitises live leaf of Gymnadenia conopsea
Remarks: season: 4-6

Plant / pollenated
adult of Ochlodes venata pollenates or fertilises flower of Gymnadenia conopsea

Plant / pollenated
adult of Papilionoidea pollenates or fertilises flower of Gymnadenia conopsea

Foodplant / parasite
pycnium of Puccinia sessilis parasitises live leaf of Gymnadenia conopsea
Other: unusual host/prey

Plant / pollenated
adult of Sphingidae pollenates or fertilises flower of Gymnadenia conopsea
Other: major host/prey

Plant / pollenated
adult of Zygaena filipendulae pollenates or fertilises flower of Gymnadenia conopsea

Sources and Credits

  1. (c) Drepanostoma, some rights reserved (CC BY-NC), uploaded by Drepanostoma
  2. (c) Jakob Fahr, some rights reserved (CC BY-NC), uploaded by Jakob Fahr
  3. (c) Jörg Hempel, some rights reserved (CC BY-SA), https://www.flickr.com/photos/joerghempel/14107688247/
  4. (c) Xavier Béjar, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/xbe/9046154146/
  5. Adapted by Bea Steinemann from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Gymnadenia_conopsea
  6. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Gymnadenia_conopsea
  7. (c) BioImages, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/22909869

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