Helianthemum apenninum
Encyclopedia
Helianthemum apenninum, the white rock-rose, is a white-flowering rock rose
found in dry grassy and rocky places across large parts of Europe
.
H. apenninum flowers from March to July, and may grow up to 50 cm tall. The flowers are pentamerous, up to 30 mm across, and are white with yellow centres and yellow stamen
s. The three outer sepals are hairy and striped; the 2 inner sepals are very small. The flowers grow in clusters of 3 to 10 on a stem.
The leaves
are linear to lance-shaped, 30 mm long, in opposite pairs. They are covered with greyish or whitish hairs, especially on the underside, and the edges are rolled under.
Helianthemum
Helianthemum , known as rock rose, sunroses, or rushrose, is a genus of about 110 species of evergreen or semi-evergreen subshrubs in the family Cistaceae...
found in dry grassy and rocky places across large parts of Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
.
H. apenninum flowers from March to July, and may grow up to 50 cm tall. The flowers are pentamerous, up to 30 mm across, and are white with yellow centres and yellow stamen
Stamen
The stamen is the pollen producing reproductive organ of a flower...
s. The three outer sepals are hairy and striped; the 2 inner sepals are very small. The flowers grow in clusters of 3 to 10 on a stem.
The leaves
Leaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....
are linear to lance-shaped, 30 mm long, in opposite pairs. They are covered with greyish or whitish hairs, especially on the underside, and the edges are rolled under.