Rock Garden Plants
Romanzoffia sitchensis Bong.  
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FamilyBORAGINACEAE
Genus speciesRomanzoffia sitchensis Bong. 
BibliographyMém. Acad. Imp. Sci. St. Pétersbourg Hist. Acad. 2: 156 (1833)
Native RangeAlaska to n. California
Primary BiomeTemperate
Habitatscree
Descriptionbasal leaves reniform-orbiculate, glabrous, sometimes dentate, petiole to 15cm, inflorescence lax and elongate, rarely above leaves, flowers 6-11mm across
Size5-30cm
Colorwhite
Bloomsummer
Ca-
Typeperennial
Cultivationgravelly, humous, moist, sunny site
alpine house, moist, humous, gravelly soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 10-16°C
division in spring and early fall; cuttings in late summer
SynonymsRomanzoffia altera Cham.
Romanzoffia glauca Greene
Romanzoffia leibergii Greene
Romanzoffia macounii Greene
Romanzoffia mendocina Greene
Romanzoffia minima Brand
Romanzoffia rubella Greene
Romanzoffia sitchensis var. gracilis Hook.
Romanzoffia sitchensis subvar. greenei Brand
Romanzoffia sitchensis subvar. macounii (Greene) Brand
Romanzoffia sitchensis f. vulgaris Brand
Territory7 Northern America
     70 Subarctic America (ASK Alaska)
     71 Western Canada (ABT Alberta, BRC British Columbia)
     73 Northwestern U.S.A. (IDA Idaho, MNT Montana, ORE Oregon, WAS Washington)
     76 Southwestern U.S.A. (CAL California)
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(c) 1990-2025 RNDr. Pavel Slabý