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Thursday, 15 April 2021

13-4-2021 RACO DE OLLA, VALENCIA - SAGE LEAVED ROCK ROSE (Cistus salviifolius)


Cistus salviifolius, common names sage-leaved rock-rose, salvia cistus or Gallipoli rose, is a shrub of the family Cistaceae.

The genus name Cistus derives from the Ancient Greek words κίσθος (kisthos) meaning basket, while the species name salviifolius refers the wrinkled leaves similar to those of the sage.

Cistus salviifolius has spreading stems covered by clumpy hairs. This bushy shrub reaches on average 30–60 centimetres (12–24 in) in height, with a maximum of 100 centimetres (39 in). The oval-shaped green leaves are 1–4 cm (0.4–1.6 in) long, opposite, reticulate, tomentose on both sides, with a short petiole (2–4 mm).
 

The inflorescence holds one or more round flowers, long-stalked, arranged at the leaf axils. The five white petals have a yellow spot at the base, forming a corolla 4–6 cm (1.6–2.4 in) in diameter. The stamens are also yellow and the anthers shed abundant yellow pollen. This plant is pollinated by insects (entomophily), especially by bees. The flowering period extends from April through May. The fruit is a pentagonal capsule, 5–7 mm long.

The plant requires full sun and very well-drained soil in which to grow successfully, particularly overwinter, when rainfall may be higher.

Grows well in poor, but well drained soil, in a sheltered site and full sun. The foliage may become chlorotic with age when the shrubs are grown on chalky soil.

It may be susceptible to honey fungus.