Oenothera macrocarpa Nutt.


Family	ONAGRACEAE
Genus species	Oenothera macrocarpa Nutt. sect. Megapterium
Synonyms	Oenothera missouriensis Sims
Habitat	american prairie
Altitude	100-1200m
Description	subglabrous, stems ramose, leaves lanceolate, petiolate, sparsely glandular-denticulate, flowers solitary, to 8cm across, petals obcordate, capsules ellipsoid, 4-winged
Size	5-10cm
Color	pale yellow
Bloom	summer
Ca
Type	tuft
Cultivation	sunny site with a deep, drained soil alpine house, rich, drained soil, sun
Propagation	seed in spring, barely covered, germ. 1-3 months, 18-21°C division in fall; cuttings in late summer
Territory	Northern America Northwestern U.S.A. (Wyoming ) North-Central U.S.A. (Illinois , Kansas , Missouri , Nebraska , Oklahoma ) South-Central U.S.A. (Texas ) Southeastern U.S.A. (Arkansas , Tennessee ) Mexico
Bibliography	Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org

Comments	ONAGRACEAE Oeneothera macrocarpa Nutt., Cat. Pl. Upper Louisiana no. 56 (1813) Synonyms: Megapterium macrocarpum (Nutt.) R.R.Gates 100-1200m ============================================================================= macrocarpa typica ined. Synonyms: Megapterium missouriensis (Sims) Spach Megapterium nuttallianum Spach Oenothera macrocarpa missouriensis (Sims) Carriére Oenothera missouriensis Sims Oenothera missouriensis latifolia A.Gray Wyoming, c. & se. USA 73 WYO 74 ILL KAN MSO NEB OKL 77 TEX 78 ARK TEN 100-1200m macrocarpa fremontii (S.Watson) W.L.Wagner, Ann. Missouri Bot. Gard. 70(1): 194 (1983) Basionym: Oenothera fremontii S.Watson, Proc. Amer. Acad. Arts 8: 587 (1873) Synonyms: Megapterium fremontii (S.Watson) Britton Kansas, Nebraska 74 KAN NEB macrocarpa incana (A.Gray) W.L.Wagner, ibid. Basionym: Oenothera missouriensis incana A.Gray, Boston J. Nat. Hist. 6: 189 (1850) c. USA, ne. Mexico 74 KAN OKL 77 TEX 79 MXE ssp. mexicana W.L.Wagner, Syst. Bot. Monogr. 83: 213 (2007) Synonyms: Lavauxia graminifolia (H.Lév.) Rose Oenothera graminifolia H.Lév. ne. Mexico (Coahuila) 79 MXE macrocarpa oklahomensis (Norton) W.L.Wagner, Ann. Missouri Bot. Gard. 70: 194 (1983) Basionym: Megapterium oklahomense Norton, Rep. (Annual) Missouri Bot. Gard. 9: 153 (1898) Synonyms: Oenothera macrocarpa oklahomensis (Norton) Reveal Oenothera missouriensis oklahomensis (Norton) Munz Oenothera oklahomensis (Norton) C.L.Hitchc. c. USA 74 KAN OKL 77 TEX