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(Last Modified On 1/11/2013)
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(Last Modified On 1/11/2013)
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Species
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OENOTHERA ROSEA Ait.
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PlaceOfPublication
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Hort. Kew., ed. 1, 2:3. 1789.
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Synonym
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Hartmannia rosea G. Don in Sweet, Hort. Brit., ed. 3, 236. 1839. Xylopleurum roseum Raim. in Engler & Prantl, Die nat. Pflanzenfam. III, 7:214. 1893. Oenothera rubra Cav., Icones 4:68, t. 400. 1797. Qenothera purpurea Lam., Encycl. 4:554. 1797. Oenothera virgata R. & P., Fl. Peruv. 3:79, t. 3IS5 1802. Hartmannia virgata Spach, Nouv. Ann. Mus. Paris 4:363. 1835. Hartmannia gauroides Spach, 1.c. Hartmannia affinis Spach, Ann. Sci. Nat., ser. 2, 4:167. 1835. Oenothera psycrophila Ball, Journ. Linn. Soc. 22:38. 1885. Oenothera rosea var. parvifolia Coult., Contr. U. S. Nat. Herb. 2:116. 1891. Hartmannia rosea var. parvifolia Small, Bull. Torrey Bot. Club 23:181. 1896. Godetia Heucki Phil., Anal. Univ. Chil. 84:743. 1893. Gaura epilobia Mob. & Sesse ex Ser. in DC., Prodr. 3:45. 1828.
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Description
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Perennial, flowering the first year, with several erect or ascending, slender, simple or branched stems from a somewhat woody caudex and 1-5 dm. long, or shrubby and becoming 10 dm. tall, more or less strigulose throughout, sometimes with spreading hair on the lower stems; leaves usually not crowded, the basal oblanceolate to narrowly obovate, subentire to coarsely sinuate-dentate or pinnatifid, 2-5 cm. long, obtuse, narrowed into slender petioles 1-2 cm. long; cauline leaves gradually reduced up the stem, mostly oblong-ovate, 1.5-3 cm. long; uppermost reduced to bracts in axils of which are borne the flowers in slender racemes; floral tube 4-8 mm. long, slender, strigulose-canescent without, somewhat puberulent within; sepals 5-8 mm. long, with free tips ca. 1 mm. long, and commonly coherent in anthesis; petals rose to red-violet, broadly obovate, 5-10 mm. long; stamens subequal, almost as long as petals; filaments slender 4-6 mm. long; anthers 2.5-4 mm. long; capsule proper obovoid, 8-10 mm. long, 3-4 mm. thick, the 4 angles somewhat winged, scarcely 1 mm. wide, the midrib of each valve strongly developed, base of capsule passing into a hollow and ribbed part 5-20 mm. long; seeds oblong-obovoid, asymmetrical, brown, ca. 0.6 mm. long.
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Distribution
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Common in damp places from southern United States to Peru and Bolivia. To be expected in Panama.
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