Читать книгу British Wild Flowers: A photographic guide to every common species - Paul Sterry - Страница 24

Yellow Horned-poppy

Yellow Horned-poppy Glaucium flavum (Papaveraceae) HEIGHT to 50cm

Blue-grey, clump-forming perennial of shingle beaches. FLOWERS 5–7cm across with overlapping yellow petals (June–Sep). FRUITS Elongated, curved capsules, to 30cm long. LEAVES Pinnately divided, the clasping upper ones having shallow, toothed lobes. STATUS Locally common on most suitable coasts except far N.

Welsh Poppy

Welsh Poppy Meconopsis cambrica (Papaveraceae) HEIGHT to 50cm

Showy perennial of shady woods. FLOWERS 4–6cm across with 4 overlapping, bright yellow petals; on slender stems (June–Aug). FRUITS 4-to 6-ribbed capsules that split when ripe. LEAVES Pinnately divided, toothed, stalked. STATUS Native to Wales, SW England and Ireland; naturalised as a garden escape elsewhere.

Greater Celandine

Greater Celandine Chelidonium majus (Papaveraceae) HEIGHT to 80cm

Tall, brittle-stemmed perennial. Found in hedgerows and along woodland rides. FLOWERS 2–3cm across and comprising 4 non-overlapping bright yellow petals (Apr–Oct). FRUITS Narrow capsules that split from below when ripe. LEAVES Grey-green, pinnately divided. STATUS Native but also naturalised.

Fruit

Barberry

Barberry Berberis vulgaris (Berberidaceae) HEIGHT to 2m

Small, deciduous shrub with grooved twigs and 3-forked prickles. Found in hedgerows and scrub, mainly on calcareous soils. FLOWERS Small, yellow; in hanging clusters (May–June). FRUITS Ovoid, reddish berries. LEAVES Sharp-toothed, oval; borne in tufts from axils of prickles. STATUS Scarce native; also naturalised.

Bush, Robin

Tall Rocket

Tall Rocket Sisymbrium altissimum (Brassicaceae) HEIGHT to 2m

Upright annual of waste ground; hairless above but hairy below. FLOWERS 1cm across, yellow petals, twice the length of sepals (June–Aug). FRUITS Slender, narrow and up to 10cm long. LEAVES Have very narrow lobes. STATUS Introduced but established in S and E England. Eastern Rocket S. orientale is similar but with smaller flowers and divided leaves that are spear-shaped overall. Waste ground, in S.

Bush, Robin

False London-rocket

False London-rocket Sisymbrium loeselii (Brassicaceae) HEIGHT to 60cm

Straggly, upright annual with bristly hairy lower stems. Found on waste ground. FLOWERS 4–6mm across, with 4 yellow petals twice as long as the sepals (June– Aug). FRUITS Pods 2–4cm long that do not overtop the flowers. LEAVES Deeply pinnately lobed. STATUS Casual in S; sometimes naturalised, mainly in London. London Rocket S. irio is similar but hairless. Petals equal to, or slightly longer than, sepals (Jun–Aug); slender pods overtop flowers. Wasteground, mainly London and Dublin.

Hedge Mustard

Hedge Mustard

Hedge Mustard Sisymbrium officinale (Brassicaceae) HEIGHT to 90cm

Tough, upright annual or biennial of waste ground and disturbed soil. FLOWERS 3mm across with 4 yellow petals; in terminal clusters (May–Oct). FRUITS Cylindrical, 1–2cm long, pressed close to the stem. LEAVES Variable: lower leaves deeply divided, stem leaves narrow. STATUS Widespread and common throughout.

Flixweed

Flixweed

Flixweed Descurainia sophia (Brassicaceae) HEIGHT to 80cm

Much-divided, bushy, hairy annual found on waste and bare ground, usually on sandy soils. FLOWERS 3mm across, with 4 pale yellow petals equal to the sepals; in terminal clusters (June–Aug). FRUITS Slender, cylindrical pods up to 4cm long. LEAVES Grey-green, finely divided. STATUS Widespread but distinctly local.

Bush, Robin

Treacle-mustard

Treacle-mustard Erysimum cheiranthoides (Brassicaceae) HEIGHT to 1m

Slender, upright annual with angled stems. Found on waste ground and arable field margins. FLOWERS 6–10mm across, with 4 yellow petals longer than the sepals; in terminal clusters (June–Sep). FRUITS 25mm long, slender. LEAVES Shallowly lobed, narrow. STATUS Introduced and naturalised.