''Epipactis atrorubens'', the dark-red helleborine or royal helleborine, is an herbaceous plant in the orchid family,

Orchidaceae Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Along with the Asteraceae, they are one of the two largest families of flowering ...

. As with many other species of orchids, the species is legally protected in some countries.

Plantlife Plantlife is the international conservation membership charity working to secure a world rich in wild plants and fungi. It is the only UK membership charity dedicated to conserving wild plants and fungi in their natural habitats and helping peo ...

designated the dark-red helleborine as the county flower for

Banffshire Banffshire ; sco, Coontie o Banffshire; gd, Siorrachd Bhanbh) is a historic county, registration county and lieutenancy area of Scotland. The county town is Banff, although the largest settlement is Buckie to the west. It borders the Mora ...

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to th ...

Description

The plant is hardy and has a short rootstalk, often with multiple, fleshy roots. It blooms from June to August with erect, mostly purple

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed ...

s with dense hair on the tops, standing between in height. The blossoms emit a strong

vanilla Vanilla is a spice derived from orchids of the genus ''Vanilla (genus), Vanilla'', primarily obtained from pods of the Mexican species, flat-leaved vanilla (''Vanilla planifolia, V. planifolia''). Pollination is required to make the p ...

scent, especially in warm weather. The flowers sometimes vary in color, but are in general reddish-brown. The fruit is a capsule, out of which the light, dustlike seeds are spread by the wind. A number of

natural hybrid In biology, a hybrid is the offspring resulting from combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction. Hybrids are not always intermediates between their parents (such as in ...

s with other '' Epipactis'' species are known.

Taxonomy

''Epipactis atrorubens'' (Hoffm.) Besser is an accepted species, though ''Epipactis atrorubens'' Rostk. ex Spreng. ''nom. illeg.'' is a synonym of ''

Epipactis microphylla ''Epipactis microphylla'', the small-leaved helleborine, is a species of orchid. It is native to much of Europe and to Southwest Asia as far east as Iran though noticeably absent from the British Isles and from Scandinavia. It has also been found ...

''.

Distribution and habitat

The dark-red helleborine is widespread across

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a subcontinent of Eurasia and it is located enti ...

, and is found in the north to the subarctic, in the south to the

Mediterranean The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on th ...

, and in the east to

Western Siberia Western Siberia or West Siberia (russian: Западная Сибирь, Zapadnaya Sibir'; kk, Батыс Сібір) is a part of the larger region of Siberia that is mostly located in the Russian Federation. It lies between the Ural region a ...

and the

Caucasus The Caucasus () or Caucasia (), is a region between the Black Sea and the Caspian Sea, mainly comprising Armenia, Azerbaijan, Georgia (country), Georgia, and parts of Southern Russia. The Caucasus Mountains, including the Greater Caucasus range ...

. (Codes) The orchid grows at

altitude Altitude or height (also sometimes known as depth) is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The exact definition and reference datum varies according to the context ...

s from

sea level Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardise ...

to , and so can be found in mountainous regions such as the southern

Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, ...

. In

Central Europe Central Europe is an area of Europe between Western Europe and Eastern Europe, based on a common historical, social and cultural identity. The Thirty Years' War (1618–1648) between Catholicism and Protestantism significantly shaped the ...

it has been in decline in recent decades. It is not, however, one of the most severely

threatened species Threatened species are any species (including animals, plants and fungi) which are vulnerable to endangerment in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of ''critical depensa ...

of orchid. The species is also reportedly naturalized in one location in the US State of

Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to the ...

. The dark-red helleborine favours warm and dry locations, with soil basic to neutral in pH, nutrient-poor, and permeable. It grows in loose rock, scree, or sandy soils above a

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms wh ...

substrate, including dunes, lawns, or open forest. It is also a

pioneer species Pioneer species are hardy species that are the first to colonize barren environments or previously biodiverse steady-state ecosystems that have been disrupted, such as by wildfire. Pioneer flora Some lichens grow on rocks without soil, ...

, which settles in fallow areas, road embankments, and waste dumps, in the early to middle stages of

ecological succession Ecological succession is the process of change in the species structure of an ecological community over time. The time scale can be decades (for example, after a wildfire) or more or less. Bacteria allows for the cycling of nutrients such as car ...

, among communities of grass and bush and light

birch A birch is a thin-leaved deciduous hardwood tree of the genus ''Betula'' (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech- oak family Fagaceae. The genus ''Betula'' contains 3 ...

stands.

Ecology

''Epipactis atrorubens'' relies upon

mycorrhizal A mycorrhiza (from Greek μύκης ', "fungus", and ῥίζα ', "root"; pl. mycorrhizae, mycorrhiza or mycorrhizas) is a symbiotic association between a fungus and a plant. The term mycorrhiza refers to the role of the fungus in the plan ...

associations with several fungi species in the order

Pezizales The Pezizales are an order of the subphylum Pezizomycotina within the phylum Ascomycota. The order contains 16 families, 199 genera, and 1683 species. It contains a number of species of economic importance, such as morels, the black and white ...

. Pezizales are some of the least abundant fungal species in the forests where this orchid species grows. The flowers of this orchid species are often pollinated by insects, particularly

bees Bees are winged insects closely related to wasps and ants, known for their roles in pollination and, in the case of the best-known bee species, the western honey bee, for producing honey. Bees are a monophyletic lineage within the superfam ...

Conservation

This species is assessed as conservation status "least concern" in Europe and in the United Kingdom, however, its distribution in some countries is scarce and it has been noted to be threatened in some areas by

overgrazing Overgrazing occurs when plants are exposed to intensive grazing for extended periods of time, or without sufficient recovery periods. It can be caused by either livestock in poorly managed agricultural applications, game reserves, or nature ...

and quarrying.BSBI Species Account
/ref> Epipactis atrorubens - Männiku.jpg, Plant Epipactis atrorubens inflorescence.jpg, Inflorescence

References

External links

Den virtuella floran - DistributionTela Botanica 24384
{{Taxonbar, from=Q33194 atrorubens Orchids of Europe Orchids of Asia Plants described in 1804