Abraham, Isaac and Jacob

Flower: Violet-blue flowers in leafy clusters. The mauve-coloured stamens are prominent. Flowers measure between 9 and 12mm across. Fruit: Ridged nutlets. Leaves: A hairy, creeping perennial with upright stems and rough, heart-shaped leaves. The large leaves are stalked and have a sandpaper-like texture. A garden escape species which sometimes naturalises in the wild in the UK.

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False Acacia

Flower: Cream-white, pea-like flowers. The flowers hang down in a loose spike and are similar in appearance to Laburnum but creamy-white and not yellow. Fruit: Brown pea-like pods, up to 4 inches long. Leaves: Deciduous. Dark green, pinnate leaves, up to 25cm in length. 3 to 9 pairs of blunt, oval leaflets. Leaflets are untoothed.

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Two-spined Acaena

Flower: Globular flowerheads. Flowers are without petals. Each flower has 2 spines. White stamens. Fruit: The fruit is globular and spiny. The spines are purplish-red. Fruits measure up to 3cm in diameter. Leaves: A mat-forming perennial with bright green, pinnate leaves, up to 12cm long. The toothed leaflets are in 6 to 8 opposite pairs, plus a terminal leaflet. The young stems are hairy and often tinged red. Garden escape species.

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Spineless Acaena

Flower: Globular, petalless flowers. Fruit: Globular fruits usually spiny but often without spines. Leaves: A mat-forming perennial garden escape species. The pinnate leaves are purplish and feathery. Leaflets are toothed.

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Winter Aconite

Flower: Cup-shaped flowers, up to 3cm wide. The flowers have large, deeply cut, leafy bracts at their bases. Fruit: Follicles which contain the seeds. Leaves: A perennial with deeply cut, glossy, hairless basal leaves. Throughout the British Isles, Winter Aconite is most common in the east of England and Scotland.

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Common Agrimony

Flower: The flowers of Common Agrimony (Agrimonia eupatoria) found in the UK are small and yellow, arranged in elongated spikes on slender stems. Each individual flower consists of five petals and has a delicate, cup-shaped appearance. The flowers bloom in clusters and are known for their bright, cheerful y... Fruit: The fruit of Common Agrimony (Agrimonia eupatoria) found in the UK is composed of small, burr-like structures containing seeds. These fruits typically develop after the flowering period. They have a rough or prickly exterior, designed with hooks that easily attach to fur or clothing, aiding in the d... Leaves: The leaves of Common Agrimony (Agrimonia eupatoria) found in the UK are compound and alternately arranged along the stem. Each leaf is composed of smaller leaflets arranged in a feather-like or pinnate pattern. The leaflets are serrated along the edges, providing a distinctive appearance. The surfac...

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Bastard Agrimony

Flower: The yellow flowers appear together in clusters. Each flower measures from 7 to 10mm across. Fruit: A roundish fruit. Unlike Common Agrimony (Agrimonia eupatoria) and Fragrant Agrimony (Agrimonia procera), the fruit is without bristles. Leaves: A sprawling perennial. The leaves are trefoil and toothed. Scotland only, mainly around Glasgow and Edinburgh.

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Fragrant Agrimony

Flower: The inflorescence is a long flower spike. The flowers are about 1cm across with notched tips. 12 stamens. 2 pistils. Fruit: Bell-shaped, burred fruit with hooks that are down-turned. The fruit is about 1cm long. Leaves: No basal leaves. The stem leaves are stalked and alternate up the stems. They are pinnate leaves with 3 to 7 pairs. Leaflets are lance-shaped and large toothed. The leaves are more deeply toothed than those of the similar looking Common Agrimony (Agrimonia eupatoria). Also, the stems of Fragrant Agr...

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Common Alder

Flower: Yellow and pendulous (male catkins). Green and oval (female catkins). Male and female catkins present on same tree, and grouped in clusters of 3-8 on each stalk. Fruit: In winter the catkins turn into hard, dark, cone-like fruit which eventually release the seeds. Leaves: Deciduous. Round, dark green, leathery, smooth, serrated edges.

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Grey Alder

Flower: Pendulous, red-brown and becoming yellow later (male catkins). Red, erect and cylindrical (female catkins). Male and female catkins present on same tree. Fruit: Wooded cones which persist on the tree throughout winter months. Leaves: Deciduous. Hairy, ovate and pointed, glossy, grey beneath.

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Italian Alder

Flower: Italian Alder (Alnus cordata) produces small, inconspicuous flowers that are typically arranged in pendulous catkins. These catkins can be either male or female. Male catkins are slender and yellowish-green, and they release pollen into the air. Female catkins are shorter and more cylindrical, with ... Fruit: Italian Alder (Alnus cordata) produces elongated and cylindrical catkins, which are an important part of its reproductive structures. These catkins are typically pendulous, hanging from the branches, and they come in two main types: male and female. Male catkins are usually longer and more slender, ... Leaves: The leaves of the Italian Alder (Alnus cordata) are characterized by their heart-shaped form and serrated edges. These deciduous leaves are typically medium to dark green in color and have a glossy appearance on their upper surface. They are arranged alternately along the branches and can grow to be...

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Alexanders

Flower: Yellow-green umbel. Fruit: Globular, ridged, turning black on ripening. Leaves: Yellowish-green bluntly toothed, divided and glossy.

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Green Alkanet

Flower: The flowers of Green Alkanet (Pentaglottis sempervirens) are an intense, vivid blue in color, shaped like a star, and they typically bloom in clusters. These flowers are notably attractive to pollinators such as bees and butterflies due to their nectar-rich nature. Each individual flower consists of... Fruit: The fruit of Green Alkanet (Pentaglottis sempervirens) is typically small and nut-like, known as a nutlet. These nutlets develop after the flowering period and contain seeds. They are often dark in colour and quite small, each containing the potential to produce a new plant if they find suitable con... Leaves: The leaves of Green Alkanet (Pentaglottis sempervirens) are elongated and rough in texture, often hairy and lance-shaped. They have pronounced veins and are arranged alternately along the stems. The leaves resemble those of the forget-me-not, having a coarse texture and covered in tiny, stiff hairs,...

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Yellow Alkanet

Flower: Small clusters of pale yellow flowers. The flowers are tubular in shape. Pollinated by bees. Fruit: The fruit is a nutlet. Leaves: Simple, hairy, oval to lance-shaped leaves. The leaves have untoothed margins. Perennial.

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False Alkanet

Flower: Small clusters of bright blue flowers with white centres. Fruit: The fruit is a nutlet. Leaves: A very hairy perennial plant with erect stems and alternate, lance-shaped leaves.

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