SporePlants213-page4

SporePlants213-page4 - tropical Lycopodiums are...

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Spore-Dispersing Vascular Plants - 4 Lycopodiae The representatives of the Lycopodiae are most often dichotomously branched with radial symmetry. Roots are likewise dichotomously branched. Evergreen aerial stems branch from prostrate surface stems or rhizomes. One Lycopodium can trail along the forest floor for 60 feet or more. Lycopodiums found in temperate areas are rarely over 6 – 8” in height. In the tropics, some reach heights of 2 or more feet, and some
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Unformatted text preview: tropical Lycopodiums are inconspicuous epiphytes. The microphyll leaves are almost always spirally arranged. Sporangia are produced in the axils of specialized microphylls, called sporophylls. It is common for the sporangia to cluster in a terminal strobilus. The more “primitive” Lycopodiums have axillary sporangia. All are homosporous. Lycopodium strobili Sporangia, ls...
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This note was uploaded on 01/08/2012 for the course BIO 213 taught by Professor Makina during the Fall '09 term at SUNY Stony Brook.

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