Rock Garden Plants
Asyneuma japonicum (Miq.) Briq.  
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FamilyCAMPANULACEAE
Genus speciesAsyneuma japonicum (Miq.) Briq. 
BibliographyCandollea 4: 335 (1931)
Native RangeRussian Far East to Korea, c. & s. Japan
Primary BiomeTemperate
Habitatgrassland
Altitude800-1500m
Descriptionstoloniferous, leaves oblong to ovate, 5-12cm long, irregularly dentate, petiolate, flowers in terminal raceme, calyx campanulate, corolla lobes linear, 10-15mm long
Size30-100cm
Colorbluish purple
Bloomlate summer
Ca
Typeperennial
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, drained soil, sun
Propagationseed in winter, uncovered, light, germ. 1-3 months, 16-21°C
division in spring and fall; basal cuttings in spring
SynonymsCampanula japonica (Miq.) Vatke
Phyteuma japonicum Miq.
Territory3 Asia-Temperate
     31 Russian Far East (AMU Amur, KHA Khabarovsk, PRM Primorye)
     36 China (CHM Manchuria)
     38 Eastern Asia (JAP Japan, KOR Korea)
Version 10.0
(c) 1990-2025 RNDr. Pavel Slabý