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Greater Butterfly-orchid

Platanthera chlorantha

A greater butterfly orchid in a meadow

How to Identify:

Annual/Perennial/BiennialPerennial
HeightUp to 60cm high
Flower typeAlong the rather loose flower spike are 10-40 greenish-white flowers with a long, narrow undivided flower lip and long spur to the rear of the flower
LeavesTwo shiny leaves at the base of the plant are 5-15cm long, with further smaller leaves higher up the stem

 

Butterfly orchid differences.

How to Greater Butterfly-orchid

You’re most likely to find Greater Butterfly-orchid on old or recently restored hay meadows, particularly on well drained calcareous soils. You can also find them on pastures, open scrub and woodland.

They look very similar to their close cousins the Lesser Butterfly-orchid but have slightly larger flowers that are green tinged rather than pure white. You can also look for the pollen bearing structures on their petals called pollinia. These sacs of pollen are V shaped on the Greater Butterfly-orchid but parallel shaped on the Lesser Butterfly-orchid.

Where to Find Greater Butterfly-orchid

This is found across Britain particularly in the south. It’s has steadily declined across the UK over the past 100 years. The reasons are varied but in woodlands where they need dappled sunlight, they have suffered from conifer plantation planting and changes to traditional woodland management.

In grasslands, farming changes, such as too much or too little grazing, or early hay cutting before the plant has chance to flower and set seed, have had a particularly negative effect. The use of chemical fertilizers have also disrupted the delicate soil fungal network that orchids rely on for survival.

Plantlife owns and manages two reserves in Wales that are rich in Greater Butterfly-orchid – Caeau Tan y Bwlch on the Llŷn peninsula in the north, and Cae Blaen-dyffryn above Lampeter in mid Wales. The latter also contains Lesser Butterfly-orchid, so giving you a great opportunity to see the subtle differences between these two beautiful orchid species.

Carolyn Thomas MS, is currently working with us as a Species Champion to raise awareness of Greater Butterfly-orchid and its causes of decline. Find out more about Species and Nature Champions here.

Facts About Greater Butterfly-orchid

  • At night, they exude a vanilla like scent to attract pollinating moths particularly owlet moths and hawkmoths.
  • The moths’ long proboscis and eye placement are crucial for successful pollination, as they need to reach the nectar deep within the flower’s spur. Pollen is usually deposited onto their eyes.
  • This eye-attachment method of pollination has been found to be very effective, with a high percentage of flowers setting seed.
  • The vanilla flower scent can be smelt inside the mature brown seedpod.
  • If you stick a small pencil into the flower, the pollen bearing pollinia will likely stick to the pencil, and if you look closely, they will gradually rise up.
  • Greater Butterfly-orchid can establish within 3-4 years on restored hay meadows that have received green hay from another orchid-rich meadow.

Other Species

Citrine Waxcap

Hygrocybe citrinovirens

Citrine Waxcap, Hygrocybe citrinovirens

How to Identify Citrine Waxcap

CapPale lemon, sometimes green-tinged yellow, up to 10cm in diameter. Often splits as the fruit body matures. Quite dry in texture.
GillsWhite, turning pale yellow with age. Widely spaced.
StemSimilar in colour to the cap, sometimes fibrous in texture.
SporesWhite

 

Citrine Waxcap, Hygrocybe citrinovirens

Where to find them?

Find these distinctive waxcaps in low-nutrient grassland habitats – they are equally at home in upland sheep-grazed pastures as they are in urban cemeteries with mown grass.

Don’t mistake it with

There are several other species of yellow waxcaps in the UK – keep an eye out for the light yellow or almost green tinge of this species.

Things you might not know

The Latin name “citrinovirens” comes from “citrinus” meaning lemon yellow, and “virens”, meaning green!

These are both good descriptions of the colour of this waxcap species.

Other species

Ground Ivy

Glechoma hederacea

A photo showing the bright blue flowers of Ground Ivy against it's green leaves and blades of grass.

Ground Ivy is an aromatic creeping herb with funnel-shaped violet flowers.

This small, common evergreen perennial belongs to the mint family and spreads rapidly in a carpet-like form due to its creeping stems. Despite its name, it is not closely related to common ivy.

How to spot it

Ground Ivy has upright flowering stems bearing between two and four violet two-lipped flowers in a whorl. The lower lip has purple spots. Its leaves are scalloped in shape, which may explain why catsfoot is one of its many nicknames.

Where to spot it

It is commonly found in woodlands, meadows, hedgerows, and wasteland throughout the British Isles, although it is rarer in Scotland. It also thrives in lawns as it survives mowing.

Things you might not know

  • Known as a lung-cleansing herb, Ground Ivy has been used to treat coughs and other respiratory illnesses such as bronchitis.
  • It has been used a substitute for animal rennet to make cheese.
  • Ground Ivy is a rich source of vitamin C and can be used as a herbal tea.
  • Common names for Ground Ivy include Gill-over-the-ground, Creeping Charlie, Alehoof, Tunhoof, Field balm and Run-away Robin.
  • It was known as “Our Lady’s Vine” in Medieval times.
  • The Saxons used Ground Ivy to flavour and clarify their ale.

Lesser Butterfly-orchid

Platanthera bifolia

A close up of the unique flowers of the Lesser Butterfly Orchid - they have been likened to angels due their unusual shape.

How to Identify Lesser Butterfly-orchid

Annual/Perennial/BiennialSpring/Summer
Height15-30cm
Flower typeBifolia
Leaves2 at the bottom of the stem

 

A Lesser Butterfly Orchid is in front of the camera, with it's beautiful white and green flowers. In the background a wildflower meadow can be seen with two people crouching - one is looking closely at the flowers, while the other is taking notes.

How to Spot Lesser Butterfly-orchid?

The best time to see the Lesser Butterfly-orchid is spring into summertime with June to July being the peak flowering time.

Where to Spot Lesser Butterfly-orchid?

The Lesser Butterfly-orchid is a sweet-smelling plant, which grows across the UK. It can be found in a range of habitats, such as grasslands, meadows, bogs, woodlands, calcareous fens, and scrub, although it may be difficult to spot as it has declined in recent years.

Unfortunately, the Lesser Butterfly-orchid has been lost from much of its habitat in the UK, and is now endangered. One of the reasons for this decline is an increased use in agricultural chemicals which eradicate the soil fungi necessary for the plant to survive.

Carolyn Thomas MS, is currently working with us as a Species Champion to raise awareness of Lesser Butterfly-orchid and its causes of decline.

Find out more about Species and Nature Champions here.

A group of beautiful Lesser Butterfly Orchid flowers. The flowers are an unusual shape and white and green in colour.

Facts about Lesser Butterfly-orchid

  • Old folklore compares Lesser Butterfly-orchids to angels due to their colour, shape, sweet smell, and the way they shine in the twilight during the summer months.
  • The elephant hawk moth is the primary pollinator of the Lesser Butterfly-orchid.
  • These orchids have been used in traditional medicinal practices for gastro-intestinal soothing.

Other Species

Sweet Vernal-grass

Anthoxanthum oderatum

A close up photograph of Sweet Vernal Grass
Sweet Vernal Grass in the sunshine

How to spot

Thin, wiry grass with short leaves and a spike of flowers at the top of the stem. Where the leaf meets the stem, there is a fringe of hairs which look like eyelashes.

Where to spot

On old meadows and grasslands that are often rich in wild flowers. Here, it’s one of the first meadow grasses to come into flower in the spring.

Don’t mistake it with

Red Fescue – another grass with a narrow stem and pointy flower spikes, but which is bigger and lacks the scent.

Sweet Vernal grass

Things you might not know

It gives out a scent that is THE distinctive smell of a hay meadow – somewhere between vanilla and almond. Some people like to chew the grass to get the taste of the scent.

Other Species

Rough Meadow Grass

Poa trivialis

Rough Meadow Grass in the field
Rough Meadow Grass at Allimore Green

How to spot it

At first glance, this looks like a typical grass. Quite tall, with its flat flowers hanging from the ends of short stalks, arranged along the stem like a Christmas tree. But rub your fingers along the fresh stem and you’ll notice it is slightly rough. Pull the leaf away from the stem a little bit and you’ll see a membrane-like triangle – known as a ligule, this is distinctly long and pointy on Rough Meadow Grass.

Where to spot it

Rough Meadow Grass not only grows in all kinds of grassland, but also in marshes, ditches, wastelands and woodland glades. It’s also found on lawns but struggles to survive if mown regularly.

Don’t mistake it with

Smooth Meadow Grass looks very similar but lacks the roughness of the stem, and its ligule, that membrane at the junction of the stem and leaf, is not pointy in shape.

Things you might not know

Just one plant of Rough Meadow Grass can produce up to 29,000 seeds, providing food for worms and ground beetles.

Other Species

Perennial Rye Grass

Lolium perenne

Perennial Rye grass pictured at Cannon Hill Park

How To Spot

Its glossy dark green leaves shimmer as they waft in a breeze. Closer up, their spikey flowers cling close to the stem, barely overlapping. The stem turns a lovely burgundy red colour near the base of the stem.

For those with a keen eye, the leaves clasp around the stem with what look like a pair of hooked claws, known as an auricle.

Where to spot

Widespread across the UK, it’s particularly abundant in parklands, sports fields and freshly laid lawns. It is also the most commercially sown grass on farmland, cut a few times a year to provide winter food for cattle and sheep.

Don’t mistake it with

Couch Grass has spikey flowers that also cling close to the stem, but unlike Rye Grass, these overlap. Its leaves are grey-green and rather rough rather than the smooth feeling, dark and glossy leaves of Rye Grass.

Things you might not know

As Rye Grass grows fast and is eagerly eaten by livestock, it was the first grass in Britain to be sown commercially on farmland, probably more than 400 years ago. Modern varieties are bred to be able to tolerate trampling, mowing and heavy grazing.

Other Species

Yorkshire Fog

Holcus lanatus

Close up of Yorkshire-fog
Dense Yorkshire Fog in a meadow

How To Spot

This is easy! It has a soft, tall, hairy stems – just run your fingers along it. No other grass feels like this. The bottom of its stem looks like pink stripey pyjamas – no other grass looks like this. There are pink flushes too in its long flower head which look beautiful when swaying in the wind.

Where to spot

The most widespread of all grasses in the UK, it’s found on all kinds of grasslands, from meadows to wastelands.  On lawns, it flowers a little bit later than other grasses during No Mow May.

Don’t mistake it with

Creeping soft-grass – its nearest relative is only hairy on its nodes, the lumpy bits along the stem that look like knees.

Yorkshire Fog pictured in the sunshine

Things you might not know

It can be a dominating grass as it produces huge amounts of seed which can germinate almost immediately, and buried seed remains viable for many years.

Other Species

Cock’s-foot Grass

Dactylis glomerata

Close-up photos of Cock's-foot grass
Cock's-foot pictured at Cannon Hill Park

How To Spot

It’s one of the bigger lawn grasses which can grow over 1m. Its most distinguishing feature is its flattened lower stems which you can feel with your fingers as easily as you can see. Forming dense tussocks, it also has distinctive heavy-looking flower heads.

Where to spot

It’s found across the UK in all kinds of places but it’s most commonly found in meadows and roadsides. On lawns, it often grows on the lesser mown edges.

Don’t mistake it with

False oat grass – another tall, bulky grass which flowers slightly later.

Cock's-foot pictured at Pebble Mill

Things you might not know

Cock’s-foot grass is a surprisingly good plant for wildlife.

  • Honey bees gorge on its pollen
  • Caterpillars eat its leaves
  • Finches feed on its seed
  • Its tussocks provide safe places for nesting mammals and bees

 

Other Species