Habitat: Ponds

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Showing 1-25 of 28 records

Brooklime

Flower: Small deep blue flowers emerging in pairs from leaf axils, 4 petals. Fruit: A nearly spherical brown capsule, splitting open when mature. Up to 4mm in diameter. Leaves: Shiny and leathery, succulent leaves that are round to oval and have bluntly toothed margins. Their stems are often tinted reddish-brown.

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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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Common Water Crowfoot

Flower: Solitary flower with 5 white petals, up to 2cm. Fruit: Roundish-oval seed head located in the centre of the flower. Leaves: Leaves are either floating, submerged, or both. The floating leaves are deep-lobed, kidney-shaped and 3-lobed with the side lobes being wider than the central lobe. The submerged leaves are thread-lik...

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Common Duckweed

Flower: Petalless and minute, rarely appearing. Fruit: Small and insignificant. Slightly winged and bladder-like in shape. Leaves: Pale, flat and oval leaves which float on the surface of still water. Each plant has 2 leaves and a single root. The leaves are called 'fronds'. Spreads very quickly, covering the whole surface of the...

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Water Forget-me-not

Flower: Clustered, pink flower buds, later becoming sky blue. 5 petals with yellow and white centres. Fruit: Small, 4-parted, egg-shaped, shiny black nutlets. Up to 2mm long. Leaves: Alternate, toothless leaves with pointed tips. The lowest leaves are the broadest and the upper leaves are more linear. The leaves are covered in short appressed hairs.

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Water Horsetail

Flower: Flowerless. Horsetails reproduce by spores. Fruit: Ovoid cones sit on top of the fertile main stems. The cones are technically known as 'strobili' and reach a maximum of 1.5 cm in length. Leaves: The green furrowed stems have 10 to 30 very shallow grooves. Whorls of leaf-like branches appear along the erect single main stem.

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Yellow Flag Iris

Flower: Large, showy and eye-catching. Bright yellow with 3 spreading outer petals and 3 inner petals twisting inwards, up to 10cm. Fruit: A 3-angled capsule, or seed pod, packed tight with numerous seeds, splitting open later in the year. Up to 8cm long. Leaves: Long, linear, sword-like leaves which emerge out from the ground. Grows in water or on wet ground in compact clumps.

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Arum Lily

Flower: Large and showy. White funnel-shaped tubular flower with a slit down one side. Yellow or orange spike called a spadix sits in the centre of the outer white sheath. Fruit: An oval, orange berry-like fruit, up to 1cm across. Leaves: Large, green, broadly oval, glossy leaves.

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Purple Loosestrife

Flower: Bright purple flower spikes in whorls up the stem, 6 petals. Fruit: The fruit capsules are enclosed within the sepals and consist of many reddish tiny seeds. Leaves: The leaves can be either opposite or in whorls of 3, and are sometimes slightly hairy. They are stalkless, long and slender, and are either heart-shaped or rounded at the base of their leaves.

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Common Marestail

Flower: The inconspicuous flowers of Marestail are minute and petalless. They are pink and form at the bases of the leaves. Fruit: A tiny, ovoid, green nut. Each nut contains 1 seed. Leaves: An unbranched, erect perennial waterweed which grows in still or slow flowing water. Most of the plant is submerged beneath the water. The strap-shaped leaves are in whorls of 6 to 12. Marestail has b...

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Water Mint

Flower: Lilac with hairy sepals and stalks. Flowers in a round head at the top of the stem, often with extra flowers in whorls at the bases of the upper leaves. Fruit: A 4-parted, yellowish-brown seed (schizocarp). Leaves: The stalked leaves are in opposite pairs. The leaf veins are prominent and the margins are toothed. This plant is said to repel flies.

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Floating Pennywort

Flower: Tiny, pale green-white, 5 petals, in umbels. Not often seen in flower. Fruit: Elliptical or round fruit, up to 3mm long. Flattened and lightly ribbed, divided into two halves. Leaves: Rounded kidney-shaped leaves, growing compactly together and densely covering the water upon which it floats. Leaf margins are smooth or scalloped with 3 to 7 lobes.

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New Zealand Pigmyweed

Flower: Small, white-to-pinkish, 4 petals that are longer than the sepals. Flowers are absent on submerged plants. Flowers have stalks arising from the base of the leaves. Fruit: 2 to 5 elliptical, glabrous seeds (follicles). Up to 5mm in length. Leaves: The succulent leaves are arranged in opposite pairs along the stem. They are linear, stalkless and reach a maximum length of 2.5cm.

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Broad-leaved Pondweed

Flower: Green flower spikes on long stalks. Fruit: A spathe, up to 8cm long. The spathe is densely packed with the fruit. Leaves: The broad, oval, opaque and leathery floating leaves are variably green in colour. They have pale veins which run parallel to the midrib from their bases to the leaf tips. The leaves have stipules and...

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Common Reed

Flower: Purple spikelets composed of 1-6 flowers each. Fruit: Numerous light brown seeds are produced in compact clusters on the flowering plumes. Leaves: Very long leaves for a grass. The leaf blades can be up to 3cm wide.

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Compact Rush

Flower: Tight clusters of tiny dark brown flowers, one cluster per stem near to the top. Fruit: A capsule which contains at least 3 seeds. Leaves: Tussock-forming and overwintering. Very linear, wire-like leaves. Hollow, green, erect leaves, all of which are borne at ground level.

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Hard Rush

Flower: Tight clusters of tiny brown flowers, one cluster per stem near to the top. Fruit: A capsule, containing at least 3 seeds. Leaves: Flat, long and wiry, tubular leaves. The leaves are thinner and tougher than the other rush species. The leaves are also more bluish-grey.

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Hop Sedge

Flower: Short or long green spiky drooping catkins on slender stalks. Pendulous Sedge is similar-looking but the catkins are not spiky and nor are they on long stalks. Fruit: A small bottle-shaped nutlet. Leaves: Deciduous and tuft-forming, broad, grass-like leaves, up to 12mm wide. Like all sedges the leaves have a triangular cross-section.

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Lesser Spearwort

Flower: Glossy yellow, solitary, cup-shaped flowers, up to 2cm wide. 5 petals per flower, many stamens. The petals are longer than the sepals. Fruit: Small elliptical, brown nutlets. Leaves: A perennial, scrambling and hairless plant. Alternate, simple leaves. Its stems are often tinged red and its variable leaves are and linear or spear-shaped (hence its name 'spearwort'). The veins run ...

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Square-stalked St. John's Wort

Flower: Pale yellow flowers, usually without black dots around the margins. Some other species of St. John's Wort have black dots. 5 petals and sepals. Flowers are arranged in clusters of 10 to 30. Fruit: A dry fruit capsule. Leaves: A hairless pant with 4-winged, square stems as it's name implies. Opposite, roundish-oval, untoothed leaves with translucent veins.

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Hemlock Water Dropwort

Flower: White umbels, usually with lower bracts, up to 4cm wide. Fruit: Cylindrical fruits, ridged, 2 styles, up to 6mm across. Leaves: The basal leaves are pinnate with 3 to 4 leaflets. They are broadly oval in shape and toothed. The stem leaves have 2 to 3 leaflets and are not as broad as the basal leaflets. The stems themselves are...

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White Water Lily

Flower: White floating flowers only opening when sunny. Yellow stamens. The largest flower in the UK with approximately 20 petals. Up to 20cm wide. Fruit: The fruits are green, fairly round and warty. Leaves: The floating, broadly oval leaf reaches a maximum of about 30cm in diameter. The leaves of White Water Lily are slightly smaller than that of Yellow Water Lily.

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Yellow Water Lily

Flower: Yellow flower usually appearing on an upright stalk out of the water, up to 8cm wide. Sepals normally longer than petals. 6 petals. Fruit: A fleshy green capsule. Leaves: Large, floating, oval to circular leaves. The diameter of the leaves is a maximum of 40cm. The leaves of Yellow Water Lily are slightly larger than that of White Water Lily.

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Common Water Starwort

Flower: Tiny green, petalless and solitary insignificant flowers which appear at the leaf bases, sometimes in pairs. Male flowers with yellow anthers. Male and female flowers are separated. Fruit: Near-spherical fruits, roughly 2mm in diameter. The fruit is narrowly winged. Leaves: Untoothed leaves which are arranged in opposite pairs along the stems. The leaves can be either submerged or floating. Floating leaves are egg-shaped with 5 to 7 veins, 1cm wide and 2cm long. Submerge...

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Watercress

Flower: 4 white petals, up to 7mm, forming clusters at the top. Fruit: A linear, straight or slightly curved pod, up to 3cm long. The reddish-brown, oval seeds are arranged in two rows. Leaves: The leaves are pinnate with between 3 and 9 narrowly oval leaflets. Terminal leaflets are the largest leaflets. The leaves are not hairy and reach a maximum of 4 inches long. The stems and leaves may ...

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