Helianthemum Apenninum, White Rock-Rose



Common name:
White rock-rose
Scientific name:
Helianthemum apenninum
Main flower color:
Range:
Scattered locations in Devon and Somerset, near the coast
Height:
Up to 40 cm
Habitat:
Dry, rocky, calcareous grassland
Flowers:
White, with five crinkled petals, and a centre of many yellow stamens; up to 25 mm in diameter. The three sepals are about half as long as the petals; yellowish green, sometimes with purple stripes. A pink-flowered variety results from hybridisation with common rock-rose, helianthemum nummularium
Leaves:
Opposite, oblong, with a pronounced midvein, a covering of greyish, downy hairs, and pointed stipules at the base, angled upwards. Leaf margins are rolled downwards
Season:
May to July
Rarity:
★★★★★