Short-styled Field-rose
Scientific name: Rosa stylosa Desv.
Diagnostic features
Stems arching, to 3(4)m, with hooked prickles.
Leaflets pubescent on lowerside, 1-serrate, eglandular.
Flowers white to pale pink, 3-5cm across.
Fruit ovoid, 1-2cm, ± glabrous, pedicels 2-4cm, usually glandular-pubescent.
Sepals reflexed after flowering, falling before fruit ripe.
Chromosome number: 2n=35, 42.
Habitat
Native; hedges, scrub, wood-borders.
Distribution
Britain and Ireland South of a line from Co Dublin to East Suffolk, but now rare.
This species is keyed out on Page 2348 in the Text Key.
Hybrids with Rosa arvensis and species of Section Caninae occur:
- Rosa x pseudorusticana Crép. ex Preston (= Rosa arvensis x Rosa stylosa andRosa stylosa x Rosa arvensis) (Synonym: Rosa x bibracteoides Wolley-Dod); South Britain North to Worcs, Co Dublin.
- Rosa x andegavensis Bastard (= Rosa stylosa x Rosa canina and Rosa canina x Rosa stylosa)(Synonym: Rosa x rufescens Wolley-Dod); most of England, Wales and Ireland, much commoner in South.
- Rosa stylosa x Rosa caesia vosagiaca; Southwest England North to Hunts and Worcs.
- Rosa stylosa x Rosa obtusifolia; Britain North to Mons and Cambs.
- Rosa stylosa x Rosa sherardii; Wales and Co Carlow.
- Rosa x bengyana Rouy (= Rosa rubiginosa x Rosa stylosa); East Gloucs.
- Rosa stylosa x Rosa agrestis and Rosa agrestis x Rosa stylosa (Synonym: Rosa x belnensis auct. non Ozanon); North & South Somerset and Surrey. |
