Rock Garden Plants
Onosma tridentina Wettst.  
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FamilyBORAGINACEAE
Genus speciesOnosma tridentina Wettst. 
BibliographySched. Fl. Exs. Austro-Hung. [A.J.R.Kerner] 4: 64 (1886)
Native Rangene. Italy (Trentino)
Primary BiomeTemperate
Habitatrocky slopes
Descriptionlower leaves 6-12cm, linear-oblong, stellate-setose, amongst setae glabrous, inflorescence simple, corolla 18-20mm long, sparsely strigose
Size20-40cm
Colorpale yellow
Bloomsummer
Ca
Typeperennial
Cultivationsunny rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, germ. 1-3 months, 13-18°C
cuttings in late summer
SynonymsOnosma helvetica ssp. tridentina (Wettst.) Teppner
Territory1 Europe
     13 Southeastern Europe (ITA Italy)
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