Osmunda regalis
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Read about Osmunda regalis in the Standard Cyclopedia of Horticulture
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Osmunda regalis, Linn. Royal Fern. Growing in clumps 2-10 ft. high, some of the Lvs. bearing panicles at their apices; pinna; 1-2 in. long, rounded at the base and usually blunt. Well adapted for open, moist places. E. N. Amer. and Japan. — Commonly called royal fern, fl o w e r i n g fern or king-fern. O . japonica, Thunb., is a form with the sporophylls forming distinct Lvs. and soon withering away: various crested forms appear in cult. O. gracilis, offered by some dealers, is probably a S. American form of O. regalis. O. palustris and varieties belong also with O. regalis. This is a diminutive form from Brazil, with slender elegant fronds, abundantly produced from a woody rootstock. S. 3:30, and p. 42. G. 37:423. Var. Mayi, G.C. III. 40:161, and var. crispato-congesta, a dwarf form, are both forms of O. palustris.
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
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