Rock Garden Plants
Onosma irritans Popov  
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FamilyBORAGINACEAE
Genus speciesOnosma irritans Popov 
BibliographyTrudy Sredne-Aziatsk. Gosud. Univ., Ser. 8b, Bot. 19: 29 (1935)
Native RangeCentral Asia to Xinjiang
Primary BiomeTemperate
Habitatrocks and scree
Descriptionbasal leaves petiolate, green, stem leaves broadly linear, setose, 4-7cm long, inflorescence terminal, circinnate, corolla, 15-17mm long
Size20-40cm
Coloryellow
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
Territory3 Asia-Temperate
     32 Middle Asia (KAZ Kazakhstan, KGZ Kirgizistan, UZB Uzbekistan)
     36 China (CHX Xinjiang)
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