Habitat: Swamps

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Showing 1-25 of 131 records
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Marsh Arrowgrass

Flower: A flower spike. The green flowers have purple edges. Individual flowers are up to 3mm wide. Flowers have 3 petals and 6 stamens. Fruit: Narrow, erect and arrow-like. Leaves: Long and grass-like leaves with deep grooves.

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Broad-leaved Arrowhead

Flower: The white (pink tinged) flowers have 3 petals and 3 green sepals. They form flower spikes and each flower is about 4cm wide. This species is similar to Arrowhead (Sagittaria saggitifolia) but without ... Fruit: The fruits are globular and produce seeds that ripen in August and September. Leaves: Arrow-shaped leaves on the end of a stalk, up to 30cm in length. Perennial.

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Canadian Arrowhead

Flower: Flowers are in whorls of 3, each measuring approximately 1 inch across. The petals are white, tinged pink. 6 or more stamens. Pollinated by insects. Fruit: Globular fruit covered in hooked seeds. The fruit turns reddish as the seeds mature. Leaves: An aquatic perennial with submerged, broadly elliptical, long-stalked leaves, tapering to a point.

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Bog Arum

Flower: A greenish white spadix, up to 8cm long. Pollinated by flies. Fruit: Red berries in autumn. The seeds ripen in August and September. Leaves: A deciduous, evergreen perennial which grows in shallow water. The broadly heart-shaped leaves are dark green and glossy.

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Alpine Bartsia

Flower: Dark purple flowers with leafy bracts. The flowers are occasionally yellow. 4 stamens. Fruit: A dark brown, oval capsule. 2 valves. Leaves: A downy perennial plant with purple-tinted, oval, untoothed leaves. Unstalked. The leaves appear together in opposite pairs along the stems.

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White Beak-sedge

Flower: White spikelets, appearing in flat clusters. Clusters measure about 1 inch (2.5cm) across. Clusters are positioned at the top of erect stalks, each with a leaf-like bract below it. Spikelets within th... Fruit: Flower spikelets turn brown on maturing and each produces 1 or 2 flattened, oval seeds. Surrounding the base of the fruit are several hooked bristles. Leaves: Grows in tight clumps, with 3-angled stems at the tips but flat at their bases. The hairless leaves are alternately arranged along the stems. Perennial.

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Marsh Bedstraw

Flower: Small, white flowers. Up to 4mm in diameter. Fruit: Small, globular fruit, slightly wrinkled. Leaves: Rough-margined leaves, in whorls of 4 to 6. Stems are without prickles. The similar-looking Fen Bedstraw (Galium oliginosum) does not have prickles on the stems. Perennial which sometimes grows in wat...

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Dwarf Birch

Flower: Greenish-brown erect catkins, up to 1.5cm long. Smaller than the catkins of Downy Birch and Silver Birch. Wind pollinated. Fruit: The fruit is a small winged achene (a type of one-seeded, dry fruit). In fruit from July to September. Leaves: Small, round, hairless and deeply toothed. They are downy when young. Up to 1.5mm across. The leaves turn yellow, orange or red in autumn.

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Hairy Bittercress

Flower: Tiny and forming clusters at the top. 4 white petals with 4 yellow stamens. Counting the number of stamens is perhaps the most reliable way to distinguish this flower from the almost identical Wavy Bi... Fruit: Long and slender seed pods that split open when ripe. Leaves: Basal rosette, anything up to 9 inches long. Compound leaves with alternate leaflets that have one leaf per node along the main upright stem. The leaves persist throughout the winter months.

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Wavy Bittercress

Flower: Tiny and forming clusters at the top. 4 white petals with 6 yellow stamens. Counting the number of stamens is perhaps the most reliable way to distinguish this flower from the almost identical Hairy B... Fruit: Long, thin, cylindrical seed pods which usually are lower than the topmost flowers. This is useful to know when trying to distinguish this flower from Hairy Bittercress which has seed pods that normal... Leaves: The basal rosette has alternate leaves. Stem leaves are compound with 3-6 pairs of leaflets and a terminal leaflet. Leaflets are wavy edged. The upright main stem upon which the leaves emerge from are...

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Intermediate Bladderwort

Flower: Yellow, Snapdragon-like flowers (up to 14mm across) and a spur, up to 1cm long. Rarely flowering. Fruit: The fruit is a rounded capsule (rarely seen). Leaves: Green leaves which are arranged alternately along the stems. This species of Bladderwort never has bladders, unlike most of the other species. Perennial and carnivorous.

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Nordic Bladderwort

Flower: Small pale yellow flowers, similar looking to Snapdragon flowers. Fruit: A globular capsule. Leaves: An aquatic carnivorous plant, often tinged red.

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Wavy Bladderwort

Flower: Yellow flowers, up to 15mm across. The lower lip has flat or slightly upturned margins and the spur is 7 or 8mm long. Flowers are on stems between 10 and 20cm in length. This species is similar in app... Fruit: The fruits are rarely seen in the British Isles. They are a many-seeded, globular capsule, similar in appearance to a small grape. Leaves: An aquatic perennial species. The green, thread-like, segmented leaves are present on both submerged and aerial stems.

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Blueberry

Flower: Clusters of small white or pale pink, bell-shaped flowers, 8 to 9mm in size. Pollinated by bees. Fruit: Bluish-black berries, up to 12mm in diameter. The berries are larger than those of Bilberry (Vaccinium myrtillus). The seeds ripen in August. Leaves: A garden escape species (UK) similar in appearance to Bilberry (Vaccinium myrtillus) but with larger leaves. Blueberry is also taller than Bilberry. The leaves of Blueberry are narrowly oval, glossy a...

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Bogbean

Flower: The flowers of Bogbean are distinctive and star-shaped. They are held above the water inside dense, erect flower spikes. The flowers have white fringed petals and are covered in conspicuous white hair... Fruit: The fruit is a spherical, many-seeded capsule. Leaves: An aquatic perennial plant with leaves projecting to 30cm above the surface of the water in which it floats. Large trefoil leaves with broadly oval leaflets, similar in appearance to those of Broad Be...

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Alder Buckthorn

Flower: Star-shaped pale green or white flowers. Flowers are up to 4mm in diameter. 5 stamens. Fruit: Green berries, turning red, then later purplish-black. The berries ripen in September. Leaves: Alder Buckthorn is thornless (unlike other Buckthorns). Their leaves are untoothed and alternate along the branches. Each leaf has between 6 and 10 pairs of veins. The leaves turn yellow or red in aut...

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Lesser Bulrush

Flower: Tiny and densely packed, sausage-shaped, spongy, brown flowers. Similar to Common Bulrush (typha latifolia) but the flowers are a paler brown. Also, Lesser Bulrush often has its male and female flower... Fruit: A dry, cottony / hairy nutlet (called an achene). Leaves: Long, thin, linear leaves, similar to Common Bulrush except that they are narrower and paler. The leaves are 1 to 2cm wide. Common and Lesser Bulrush can hybridise to produce Typha angustifolia x lati...

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Common Bulrush

Flower: Tiny and densely packed, forming a chocolate-coloured sausage-shaped spike. Fruit: Fruits are minute. They are produced from the female flowers and are covered in fluffy down. Leaves: Stalkless, long-sheathed, alternate leaves which are mainly produced at the bottom of the stem. Pale blue-green and linear.

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London Bur-marigold

Flower: The branching stems have 1 to 3 orange-yellow flowerheads. The inner bracts which surrounds the yellow centre of the flower are brownish and oval. The leafy outer bracts are narrowly elliptical and un... Fruit: Oblong, dark brown or dark purple fruit, not flattened as in the similar looking Trifid Bur-marigold (Bidens tripartita). There are 2 to 4 hooked awns at one end of the fruit. Leaves: The broadly lance-shaped, toothed leaves are usually in opposite pairs going up the stem. Some of the upper leaves are alternate along the stems. Leaf blades measure up to 6 inches (15cm) long and 1.5...

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Nodding Bur-marigold

Flower: Golden yellow, oval petals. The tips of the petals are either notched or pointed. Flowers have 5 stamens. The inner bracts are blunt and pale yellow. The green outer bracts of the flowers are long, na... Fruit: A dark brown, 4-angled seed, 6 to 8mm in length. The tip of the seed has 3 or 4 barbed awns attached to it. The fruits are narrower than those of Trifid Bur-marigold. Leaves: The leaves are narrow, measuring up to 6 inches (15cm) long and 1 inch (2.5cm) wide. They are stalkless and hairless. The leaves are opposite and clasp the stem. Leaf margins have some but few large t...

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White Burnet

Flower: Elongated, creamy-white, cylindrical flowerheads, each up to 20cm (8 inches) tall. Flowers each have 4 long stamens. No true petals. Pollinated by insects. Fruit: Winged capsules. The seeds ripen in September and October. Leaves: A tall, clump-forming perennial flower, much taller than other UK burnet species. The leaves are pinnate and the leaflets are narrowly oblong.

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Unbranched Bur-reed

Flower: Similar to Branched Bur-reed (Sparganium erectum) but with far fewer flowerheads. However, the main difference is that the flowerheads are unbranched. Unbranched Bur-reed is also a shorter plant than ... Fruit: Spherical burr-like, spiky. The fruits are with slender beaks. Leaves: Floating stems (up to 2 metres long) often producing parallel lines in rivers and streams. Some leaves are erect, emerging out of the water. Perennial.

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Common Butterwort

Flower: Violet, on long stalks and up to 2cm. Diverging lower lip and a pointed spur. Fruit: Brownish-yellow capsule, ovate, with numerous small brown seeds. Leaves: Yellow-green star-shaped basal rosette with margins curled upwards. 3 to 6 succulent leaves, each up to 8cm long. Butterwort is an insectivorous plant. The leaves feel sticky to touch because the leaf...

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Common Club-rush

Flower: Loose clusters of branches containing reddish-brown, egg-shaped spikelets. Flowers have 3 styles and a leaflike bract which is shorter than the cluster itself. Wind pollinated. Fruit: A brown, 3-angled nutlet. The seeds ripen in August and September. Leaves: Strap-like leaves (up to 10cm / 4 inches long) which are all submerged beneath the water. The stems above water are leafless. Perennial.

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Coltsfoot

Flower: Solitary with bright yellow disc and ray florets, up to 1.5cm. The flowers are borne on long, scaly stems which rise straight from the ground. The undersides of the flower are covered in white woolly ... Fruit: A conspicuous dandelion-like, white pappus. Leaves: The leaves are round, heart-shaped or polygonal. The flowers die back before the emergence of the first leaves.

Video: Coltsfoot filmed in Adlington, Lancashire (UK) on the 16th April 2022.

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