Showing posts with label Orchids. Show all posts
Showing posts with label Orchids. Show all posts

Loose-flowered x Green-winged Hybrid Orchid -- Anacamptis x alata


Loose-flowered Orchid Anacamptis laxiflora and Green-winged Orchid Anacamptis morio will hybridise to produce Anacamptis x alata.

Anacamptis x alata (left) and Loose-flowered Orchid A. laxiflora (right). Indre et Loire. France. Photo by Susan Walter.
Anacamptis x alata (left) and parent Loose-flowered Orchid A. laxiflora (right).
Green-winged Orchid Anacamptis morio. Indre et Loire. France. Photo by Susan Walter.
Parent -- Green-winged Orchid Anacamptis morio.

Bee Orchid Ophrys apifera mutations, variations and aberrant forms


Bee Orchid Ophrys apifera (Fr. Ophrys abeille) has a wide European distribution and frequently self-fertilises. This is thought to be the reason it produces so many varieties and aberrant forms. The species flowers in June, producing spikes of 3 - 10 flowers about 25mm across, from a rosette of leaves. The sepals are normally bright pink and the labellum formed from one larger rounded brown 'tongue' with two smaller velvety lobes which stick out at either side. They grow in grasslands of all sorts, from lawn to rough scrubby hillsides. For the full species account click here.

Bee Orchid Ophrys apifera var apifera. Indre et Loire. France. Photo Susan Walter.
Normal Bee Orchid Ophrys apifera var apifera. Petals shorter than a quarter the length of the sepals. (The sepals are the three bright pink bits at the back, the petals are the two little reddish green bits at the junction of the sepals near the centre.)

Bee Orchid Ophrys apifera var flavescens. Indre et Loire. France. Photo Susan Walter.
Ophrys apifera var flavescens. The labellum (tongue) is yellow. This is a mutation known as hypochromatism (lacking colour), where the orchid has lost all red pigmentation and is pale.

Bee Orchid Ophrys apifera var curviflora. Indre et Loire. Photo by Susan Walter.
Ophrys apifera var curviflora. The labellum is concave and the appendix at the tip (like a little yellow tongue) is visible. Normally this curves the other way, up behind the labellum, and the labellum itself is convex.

Bee Orchid Ophrys apifera var fulvofusca. Indre et Loire. France. Photo by Susan Walter.
Ophrys apifera var fulvofusca. A dark red labellum, lacking the usual pattern.

More aberrations and variations will be added as I encounter them.

Hybrid Orchids in the Touraine Loire Valley

Several genera of orchids native to the Touraine Loire Valley spontaneously hybridise in the wild very easily. This entry is a guide to some of the hybrids you may encounter. Hybrids show characters which are intermediate between the two parents. Normally you will find the parent species growing in the same area.

Lady x Monkey Orchid hybrid Orchis x angusticruris
This is by far the most common hybrid in the area.
Parent - Lady Orchid O. purpurea.
Hybrid - O. x angusticruris.
Parent - Monkey Orchid O. simia.

Parent - Lady Orchid.
Hybrid - O. x angusticruris.
Parent - Monkey Orchid.













Monkey x Man Orchid hybrid Orchis x bergonii:

Parent - Monkey Orchid O. simia.
Hybrid - Monkey x Man Orchid.
Parent - Man Orchid O. anthropophora.





























Parent - Monkey Orchid.
Hybrid - Monkey x Man Orchid.
Parent - Man Orchid.


Loose-flowered Orchid x Green-winged Orchid hybrid Anacamptis x alata:
Anacamptis x alata (left); Loose-flowered Orchid A. laxiflora (right). Indre et Loire. France. Photo by Susan Walter.
Hybrid Anacamptis x alata (left); parent Loose-flowered Orchid A. laxiflora (right).
Green-winged Orchid Anacamptis morio. Indre et Loire. France. Photo by Susan Walter.
Parent - Green-winged Orchid Anacamptis morio.
 

Monkey x Man Hybrid Orchid - Orchis x bergonii

This Monkey x Man Hybrid Orchid Orchis simia x O. anthopophora is part of a small naturally occuring colony near Chaumussay. The flowers are hyperchromatic ie one of the results of the hybridisation is an augmentation of pigment, resulting in a flower that is much more highly coloured than either parent. This is an uncommon hybrid. To see a very commonly occuring hybrid (Monkey x Lady) click here.

Monkey Orchid Orchis simia. Indre et Loire. France. Photograph by Susan Walter.
Parent - Monkey Orchid Orchis simia.

Man Orchid Orchis anthropophora. Indre et Loire. France. Photograph by Susan Walter.
Parent - Man Orchid Orchis anthropophora.
Orchis x bergonii flower. Indre et Loire. France. Photograph by Susan Walter.
Close up of an Orchis x bergonii flower.

Autumn Lady's Tresses - Spiranthes spiralis



Scientific Name: Spiranthes spiralis. (Spiranthes = flowers in a spiral; spiralis = spiralled). Syn S. autumnalis.

English Name: Autumn Lady's Tresses.

French Name: Spiranthe d'automne.


5 Key Characters:
  • Not easy to find as it is easily overlooked, but can form large colonies.
  • Flowers arranged in a tight spiral around the stem.
  • Delicately scented.
  • The rosette of leaves for next year comes up at the same time and beside the flower spike.
  • Flowers white.
Lookalikes: S.aestivalis. Autumn Lady's Tresses can be distinguished because of their scent, the way the flowers hug the stem and the offset rosettes of leaves.

Habitat: Impoverished short grassland, occasional patches on roadsides; full sun, prefers clay soil (neutral or slightly acid) that is damp or even saturated in winter and very dry in summer, more rarely on calcareous soil. Often on sand.

Flowering Period: August-September-October. The last species to flower in the area. Be sure to look at a flower under magnification, as they are lovely, but small and subtle. The flowers are very narrow and are pollinated by bees coming for nectar. The pollen is picked up coincidentally by the bees and transferred from flower to flower. It does not self-fertilize.

Status: Can be seen within 5km of Preuilly-sur-Claise. Protected. Rare but can be locally common. Where it is present it can often be in large numbers. They occur in the forest of Chinon, at Chançay, Bossay sur Claise, our orchard and Tournon Saint Pierre. Occurs on 18 sites in the Brenne, mainly in the northern half, but also in the very southern tip.

Further Reading and References:

Here is a link to the species page on the Société Française d'Orchidophilie de Poitou-Charentes et Vendée website.


Photographed by Loire Valley Nature:
In the lawn at the house of some friends, near Bossay-sur-Claise, September.

In the lawn at the house of some friends, near Bossay-sur-Claise, September.
In the lawn at the house of some friends, near Bossay-sur-Claise, September.

In the lawn at the house of some friends, near Bossay-sur-Claise, September.

In the lawn at the house of some friends, near Bossay-sur-Claise, September.
In the lawn at the house of some friends, near Bossay-sur-Claise, September.

In the lawn at the house of some friends, near Bossay-sur-Claise, September.

In the lawn at the house of some friends, near Bossay-sur-Claise, September.


In the lawn at friends place, Bossay sur Claise, September.

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Ophrys insectifera - Fly Orchid



Scientific Name: Ophrys insectifera – 'ophrys' = Greek for 'eyebrow', a reference to the velvety labellum (lower petal); 'insectifera' is from the Latin, meaning 'insect bearer'.

English Name: Fly Orchid.

French Name: Ophrys mouche (= 'Fly Ophrys').

5 Key Characters:
  • labellum (bottom petal) a rich dark velvety purply brown (sometimes edged with yellow).
  • central shiny blue or greyish more or less rectangular patch.
  • sepals (the three larger upper 'petals') green.
  • the two upper true petals short, fine, forward pointing and dark purply brown.
  • difficult to spot amongst the grass because the plants are so slender and blend in to the surroundings.
Lookalikes: unmistakeable in the area this website covers, although known to hybridise with O. fuciflora, O. scolopax, O. araneola, O. aranifera, O. passionis and O. apifera. The species is easy to recognise and doesn't vary in appearance significantly.

Habitat: Full sun to semi-shade (seems to prefer situations with a bit of shade); short dry lightly grazed grassland with shrubs, open woodland , woodland edges, on calcareous (chalky or limey) soils. Mainly pollinated by the Field Digger Wasp Argogorytes mystaceus and A. campestris. The species can self-pollinate however, as evidenced by the fact that the wasps that pollinate it in France do not occur in Britain, and they normally self-pollinate there.

Flowering Period: April-May-June-July.

Status: Locally common in the area covered by this website, particularly in the Vienne, Indre, Indrois and Claise river valleys, around Ligueil and on the limestone grasslands of the Sologne (eg La Butte des Blumonts). Can be seen within 5km of Preuilly-sur-Claise.

Photographed by Loire Valley Nature:

A male digger wasp Argogorytes mystaceus attempting to copulate with a flower, which has fooled the wasp into thinking it is a female wasp by emitting a pheromone that closely matches that of the female wasps. This wasp is a well known and important pollinator of Fly Orchids, but not very often observed and even less often photographed in action, so I am quite pleased with this photo. Taken May 2015, on private land at La Muanne, near Chaumussay.

Orchis simia - Monkey Orchid



Scientific Name: Orchis simia – 'orchis' is from the Greek for testicle, a reference to the form of the tubers; 'simia' is from the Latin for 'monkey', a reference to the shape of the labellum (the lower petal).

English Name: Monkey Orchid.

French Name: Orchis singe (= 'Monkey Orchid').




5 Key Characters:
  • The flowers open in succession from the top of the spike down.
  • The flower spike is more or less cylindrical (ie not tapering).
  • The perianth (the petals and sepals forming the 'hood' at the top of the flower) is pinkish white.
  • The middle lobe of the labellum is divided into two narrow 'legs', separated by a 'tooth' (or 'tail' or...ahem...penis...).
  • The side lobes of the labellum are equally long and narrow, dark mauvy-pink and curving upwards.
Lookalikes: Military Orchid Orchis militaris, with which it regularly hybridises. They can be distinguished by the direction the flowers open along the spike (from the top to the bottom for O. simia, from the bottom to the top for O. militaris), and by the 'limbs' (all the same width in O. simia, 'legs' wider than 'arms' in O. militaris). O. simia hybridises regularly with O. militaris, Man Orchid O. anthropophora and Lady Orchid O. purpurea, so specimens with a mixture of characters may be hybrids.

Habitat: Frost tender; full sun to light shade; dry to arid calcareous soils; short lightly grazed flower rich grassland, stony slopes, fallow land, scrub and woodland clearings, roadsides.

Flowering Period: April-May-June.

Status: Fairly common in the area covered by this website and they are conspicuous and easy to see, but much rarer in most of the rest of France. Very easily seen within a 5 km radius of Preuilly-sur-Claise, and the species is particularly abundant in the Claise and Vienne valleys. One of our most common orchids, especially on roadsides. They form very dense and beautiful colonies wherever there is a calcareous outcrop in the Touraine Loire Valley and Brenne. Present in the Sologne.

Photographed by Loire Valley Nature:
Photographs are numbered from left to right and top to bottom. 1 in bud, roadside near Chaumussay, April. 2 typical flower, April. 3 - 5 on a limestone ridge between Preuilly-sur-Claise and Chaumussay, April. 6 on the roadside near Chaumussay, April.


An unidentified caterpillar (Marbled Fritillary?) begins to pupate on a Monkey Orchid stem.
On the roadside, Humeau, April 2015.

Ophrys apifera - Bee Orchid



Scientific Name: Ophrys apifera. 'Ophrys' = Greek for 'eyebrow', a reference to the velvety labellum (lower petal); 'apifera' from the Latin for 'bee carrier', a reference to the form of the flowers.

English Name: Bee Orchid

French Name: Ophrys abeille (= Bee Ophrys)


5 Key Characters:
  • possibly the prettiest orchid to be commonly found in the area, brightly coloured and medium sized.
  • sepals large, usually bright pink, but can range from white or greenish white to almost red, and often bent backwards.
  • labellum (bottom petal or lip) oval with edges rolled back, velvety brown with a yellowish pattern, projecting lumps at the top corners and a yellow triangle at the bottom, usually hidden.
  • upper petals insignificant, thin, short, green or brownish (with the exception of some subspecies).
  • above the labellum is the green 'S' shaped column (reproductive parts), and the yellow pollen bundles (pollenia).
Lookalikes: Ophrys fuciflora. This species is much rarer in the area than O. apifera though, and only found in Indre, not the other two départements covered by this website. O. apifera is self-pollinating and very variable with many subspecies, as well as hybridising with many other Ophrys spp.

Habitat: Full sun on dry to temporarily flooded sites; grasslands of all sorts, waste ground and brownfield sites, crop margins and fallow land, meadows, scrub, woodland undergrowth, thickets, roadside banks, especially if the site is on limestone. Frequently colonises lawns, even in towns. Its tolerance for all sorts of conditions means that it can colonise very varied habitat, and is even found in the centre of Tours.

Flowering Period: May-June-July. One of the loveliest orchids in the area. The labellum imitates a female insect, a sexual lure emitting pheromones, to attract male longhorned bees (Eucera pulveracea or Tetralonia lucasi). The flower looks and feels like a female to these bees, and so they try to mate with it. The flower is able to dab the bee with pollen in the process, and it takes it off to other Bee Orchid plants, thereby fertilizing it. When this strategy works, there is an exchange of genetic material that keeps the descendents robust and adapted to local conditions. It does not always succeed though. The flower is receptive to cross pollination for only about 5-6 hours. After that, it 'panics' and self-pollinates. This narrowing of the gene pool gives rise to many anomalies and feeble plants. Self-pollination can result in petals that are pink rather than green, very long petals or hypochromatic specimens (where the pink pigments are missing and the flower is very pale).

Status: Fairly common in the '3 départements', but a subspecies, var. friburgensis (syn O. apifera subsp. jurana), with elongated lateral petals, similar to the sepals, is protected in Indre and Indre et Loire. Can be seen in Preuilly-sur-Claise and many sites within 5km of Preuilly. One of the best known of the Tourangelle orchids and one of the most widely distributed. Present in the Sologne. The number of plants in a colony can fluctuate greatly from year to year and colonies can disappear without there having been any change to the habitat. These sudden disappearances are the result of big colonies of less robust self-fertilized plants.

Recorded by Loire Valley Nature:

Link to article in Days on the Claise about Bee Orchids in the orchard.

Photographs:



May, in our orchard.
May, in our orchard.






A hypochromatic specimen, which has a mutation leaving it without pink pigment. Photographed near Panzoult.