Английская Википедия:Helianthemum nummularium

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Шаблон:Short description Шаблон:Speciesbox

Файл:Helianthemum nummularium MHNT.BOT.2007.43.43.jpg
Helianthemum nummularium - MHNT

Helianthemum nummularium (known as common rock-rose[1]) is a species of rock-rose (Cistaceae), native to most of Europe.

Description

It is an evergreen trailing plant with loose terminal clusters of bright yellow, saucer-shaped flowers. In the flower centre is a tight cluster of orange stamens, which are sensitive to the touch, and spread outwards to reveal the tall stigma in the middle. The plant is common on chalk downs, and occasional in other grasslands, always on dry, base-rich soil. The wild species has yellow flowers, but garden varieties range from white through yellow to deep red.

Though the individual blooms are short-lived, the plant produces a mass of flowers through the summer. It needs a dry, sunny place, like a south-facing rockery or meadow. As the Latin name Helianthemum suggests, these are sun-flowers. This is a good pollen source for bees and there are several species of small beetle that feed on the foliage. Common rock-rose is also the food plant for the larvae of several species of moth and butterfly such as the silver-studded blue (Plebejus argus).

It flowers from May until July.

Taxonomy

Subspecies

Two subspecies are currently accepted:[2]

  • Helianthemum nummularium subsp. kerneri (Gottl.-Tann. & Janch.) Lambinon
  • Helianthemum nummularium subsp. nummularium. Widespread.

Gallery

subsp. grandiflorum (Scop.) Schinz & Thell.

subsp. nummularium

subsp. obscurum (Čelak.) Holub)

Pink-flowered cultivars

Illustrations

Unclassified images of Helianthemum nummularium

References

Шаблон:Reflist

Шаблон:Taxonbar

Партнерские ресурсы
Криптовалюты
Магазины
Хостинг
Разное

  1. ↑ Шаблон:BSBI 2007
  2. ↑ Ошибка цитирования Неверный тег <ref>; для сносок 169032-1 не указан текст
Источник — http://wikihandbk.com/ruwiki/index.php?title=Английская_Википедия:Helianthemum_nummularium&oldid=15189701