Rock Garden Plants
Oenothera  macrocarpa ssp. oklahomensis (Norton) W.L.Wagner   
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FamilyONAGRACEAE
Genus species var.Oenothera  macrocarpa ssp. oklahomensis (Norton) W.L.Wagner 
SynonymsMegapterium oklahomense Norton (basionymy)
 Oenothera macrocarpa var. oklahomensis (Norton) Reveal
 Oenothera missouriensis var. oklahomensis (Norton) Munz
Territory North-Central U.S.A.South-Central U.S.A.KansasOklahomaTexas
american prairie
Description stems glabrous, leaves numerous, lanceolate to suboblong, 4-9cm, remotely dentate, glabrous, flowers solitary, sepals to 2cm long, petals 15-25mm long
Size15-30cm
Coloryellow
Bloomsummer
Ca
Typetuft, fl. stem decumbent
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 18-21°C
division in fall; cuttings in late summer
BibliographySmall, J.K. (1933) Manual of the Southeastern Flora
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý