Rock Garden Plants
Oenothera flava (A.Nelson) Garrett sect. Lavauxia 
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FamilyONAGRACEAE
Genus speciesOenothera flava (A.Nelson) Garrett sect. Lavauxia
SynonymsLavauxia flava A.Nelson
 Oenothera taraxacoides (Wooton & Standl.) Munz
Habitatdry, stony grassland
Altitude1000-1600m
Descriptionacaulescent, subglabrous, leaves oblanceolate, 5-20cm, basally pinnate, flower sessile amongst leaves, opening at evening, petals 1-2cm long, fading purple
Size5-10cm
Colorpale yellow
Bloomsummer
Ca
Typerosette, tuft
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
Territory Northern America
     Western Canada (Alberta , Saskatchewan )
     Northwestern U.S.A. (Colorado , Idaho , Montana , Oregon , Washington , Wyoming )
     North-Central U.S.A. (North Dakota , Nebraska , South Dakota )
     Southwestern U.S.A. (Arizona , California , Nevada , Utah )
     South-Central U.S.A. (New Mexico , Texas )
     Mexico (Mexico Central , Mexico Northeast , Mexico Northwest)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

ONAGRACEAE

Oenothera flava (A.Nelson) Garrett, Spring Fl. Wasatch, ed. 4: 106 (1927)

Basionym:
Lavauxia flava A.Nelson, Bull. Torrey Bot. Club 31: 243 (1904)

Synonyms:
Lavauxia hamata Wooton & Standl.
Lavauxia palustris Rose
Lavauxia taraxacoides Wooton & Standl.
Oenothera flava taraxacoides (Wooton & Standl.) W.L.Wagner
Oenothera taraxacoides (Wooton & Standl.) Munz

w. Canada, w. & c. USA, n. & c. Mexico
71 ABT SAS 73 COL IDA MNT ORE WAS WYO 74 NDA NEB SDA 76 ARI CAL NEV UTA 77 NWM TEX 79 MXC MXE MXN

1000-1600m

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