Difference between revisions of "Gleichenia"

Revision as of 10:01, 7 September 2009

Plant Characteristics
Origin:	✈	?

Cultivation

Exposure:	☼	?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property.
Water:	◍	?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property.

Scientific Names

Read about Gleichenia in the Standard Cyclopedia of Horticulture
Gleichenia (W. F. Von Gleichen, 1717-1783). Gleicheniaceae. Ferns mainly from the tropical and south temperate zones, growing naturally in dense thickets; one species has recently been found in Louisiana, D. flexuosa. (Amer. Fern Jour. 4:15). The family is characterized by dorsal sori composed of a few nearly sessile sporangia; each sporangium is surrounded by a broad transverse ring, and opens vertically. The most striking thing about the family is the growth of the lvs. The lvs. of many of the species are perennial and show an indeterminate growth. During the growing season, the end of the If. will keep unrolling after the usual manner of ferns. During the resting season this tip rests, but resumes its growth the next season. The lvs. of some species may thus become over 100 ft. in length. The species after the third (aa) are often catalogued under Mertensia, a name which, because used for a genus of flowers, must give way to Dicranopteris if they are separated and placed in a distinct genus, where they probably belong. ^CH The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

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