Arrowhead

Flower: White with purple patch at the base of each flower, 3 petals with purple anthers. Fruit: Globular fruiting heads. Leaves: Large and distinctive arrow-shaped leaves. Arrowhead is named after the shape of its leaves.

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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 the base of the petals being purple. Purple stamens. Insect pollinated. 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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Narrow-leaved Arrowhead

Flower: Whorls of white flowers are produced. Fruit: Globular-shaped fruit. Leaves: The leaves are narrow and linear. Floating and submerged leaves are present. There are no aerial leaves. 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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Awlwort

Flower: Flowers have 4 narrow, white petals. 2 or 3mm wide. Fruit: Tiny, egg-shaped, inflated pods. Leaves: An annual or biennial aquatic plant which is almost always completely submerged. The pale green leaves appear in tufts and are cylindrical, linear and sharp-pointed. This plant looks similar to Shoreweed (Littorella uniflora) but the leaves are shorter and more slender than those of Shoreweed. Both ...

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White Beak-sedge

Flower: White Beak-sedge (Rhynchospora alba) features small, inconspicuous flowers with pale to creamy-colored petals, typically arranged in compact clusters or spikelets at the tips of its slender, grass-like stems. The flowers are delicate and often go unnoticed due to their subtle appearance, but they ad... Fruit: The fruit of White Beak-sedge consists of small, nut-like achenes. These achenes are typically dark brown or black and are attached to the plant's stem in clusters. They have a hard, seed-like shell and are dispersed by wind or water, contributing to the plant's reproductive cycle. Leaves: The leaves of White Beak-sedge are long, slender, and grass-like in appearance. They are typically dark green and have a linear shape. These leaves grow in dense tufts and arise from the base of the plant, forming an attractive clump. The leaves are typically smooth and narrow, adding to the overall...

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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 water.

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Amphibious Bistort

Flower: Pink compact spike, 5 petals. Fruit: Dark brown to black, round, flattened achene. Leaves: The alternate leaves are short-stalked and with tapered bases. The leaf blades are long, narrow, hairy and sometimes tinged red. The submerged leaves are slightly different; they are hairless, have rounded bases and normally float on the surface of the water in which they stand.

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New Forest Bladderwort

Flower: 2-lipped. The airborne flowers appear on stalked, leafless stems. The flowers of New Forest Bladderwort have a broad, flat lip. Fruit: The fruit is a capsule. Leaves: A carnivorous aquatic plant whose leaves are comprised of numerous thread-like segments. Its minute bristles and small bladders trap insects as a means of obtaining food. In autumn, the bladders fill with water and cause the plant to sink to the bottom. In the British Isles, this species only occurs...

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Lesser Bladderwort

Flower: Pale greenish-yellow, up to 8mm across. The flowers have a short, blunt spur. The flowers look similar to those of Snapdragon. Fruit: The fruit is a round capsule. Leaves: A small, carnivorous, perennial flower with leaves that alternate along the stems. This is the smallest of the British Bladderwort species. The leaves are sometimes bristled. The bladders trap small animals inside them in order to feed.

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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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Pale Bladderwort

Flower: Small, pale yellow flowers, up to 14mm across. The lower lip has downturned edges. The spur is up to 4mm long. Fruit: Very rarely seen. Leaves: The floating stems have green leaves and a few bladders. The underwater stems have some non-green leaves and numerous bladders. The bladders are organs which trap insects in order for the plant to feed. This plant is carnivorous. Perennial, aquatic.

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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 appearance to Greater Bladderwort (Utricularia vulgaris) but has paler flowers and the lower lip of Gre... 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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