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Sunrose (rockrose, sun rose, rushrose, or even sun rose) occurs as genus of about 110 metal money of evergreen or semi-evergreen subshrubs. It is widely distributed in the Americas, Europe, and from either North Africa to Asia Minor and Central Asia, with a centre of diversity in the Mediterranean region.
A leaves are opposite, elementary ovoid, One-Four cm hanker & Cypher.Five-Two cm broad, variable from either glossy green to tomentous grey-green. A flowers come Two-Four cm across, by using 5 flower petal, whiten or even yellowness, from time to time tinged pink; around the select few metal money a flowers are bicolor sustaining a brilliantly yellow centre to work as a 'target' for pollinating insects.
;Selected species
Helianthemum apenninum - White Rockrose
Helianthemum bicknellii
Helianthemum canadense - Frostweed
Helianthemum canum - Hoary Rockrose
Helianthemum cinereum
Helianthemum corymbosum
Helianthemum croceum
Helianthemum greenei - Island Rushrose
Helianthemum hirtum
Helianthemum lunulatum
Helianthemum nummularium - Common Rockrose
Helianthemum oelandicum - Alpine Rockrose (syn. Helianthemum montanum)
Sunrose oelandicum subsp. oelandicum
Sun rose oelandicum subsp. alpestre (syn. Sun rose alpestre)
Sunrose oelandicum subsp. italicum (syn. Sunrose italicum)
Sunrose oelandicum subsp. orientale (syn. Sun rose orientale)
Sun rose oelandicum subsp. rupifragum (syn. Sun rose rupifragum)
Helianthemum pilosum
Helianthemum scoparium - Rushrose
Helianthemum suffrutescens - Amador Rushrose
Cultivation and uses
Many Sun rose coinage, & a many hybrids and cultivars derived from the two, come widely grown when ornamental plants, popular in rockeries. a wide range of colours is available among the cultivars, including brilliantly salmon-pink to dark red.
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