Rock Garden Plants
Gentiana  sceptrum Griseb.  sect. Pneumonanthe 
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FamilyGENTIANACEAE
Genus species var.Gentiana  sceptrum Griseb.  sect. Pneumonanthe
SynonymsGentiana menziesii Griseb.
 Gentiana orfordii Howell
 Pneumonanthe sceptrum (Griseb.) Greene
Territory Western CanadaNorthwestern U.S.A.Southwestern U.S.A.British ColumbiaCaliforniaOregonWashington
grassland
Altitude100-1100m
Description leaves oblong-lanceolate, upwards smaller, flowers usually several, 30-45mm, terminal and axillary, often green striate, lobes oval, finely dentate
Size30-90cm
Colorviolet, bluish purple
Bloomsummer, autumn
Ca-
Typetuft
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, drained soil, sun
Propagationseed in winter, barely covered, germ. 1-3 months, 10-13°C
division in spring; cuttings in late summer
BibliographyHitchcock, C.L.: Vascular Plants of the Pacific Northwest
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý