Cistus albidus

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Cistus albidus

The cottony rockrose(Cistus albidus), also known as white rockrose or whitish rockrose, is a shrub characteristic of the garrigue, tolerating a period of aridity well and appreciating calcareous soils.

Name

The plant is known in English as "rockrose" or " white dart ".

Etymology

The name cistus comes from the ancient Greek, κίσθος - kisthos, "box, capsule", alluding to the shape of the capsular fruit.

The specific Latin epithet albidus, meaning "whitish", refers to the characteristic downy leaves, not the pink flowers. It is sometimes called whitish rockrose or white rockrose.

Features

Cistus albidus is a medium-sized shrub of the Cistaceae family (between 0.5 and 1.2 m in height).

Its light-gray evergreen foliage is composed of simple, sessile, opposite, oblong-elliptic leaves covered with star-shaped hairs.

It blooms from April to June, revealing a helical, uniparous cyme-like inflorescence made up of 5 crumpled, pink petals. The flowers attract bees, butterflies and other insects, ensuring entomogamous pollination.

Cistus albidus fruits are dehiscent capsules with 5 valves. Fruit dissemination is epizoochorous.

Distribution area

According to POWO, the natural range of this species is the western Mediterranean, i.e. Algeria Balearic Islands, Corsica, France Italy Morocco Portugal Sardinia Spain.

In mainland France, white rockrose is found mainly in the Midi-Mediterranean region.