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Chusquea and Swallenochloa (Poaceae: Bambusoideae): Generic Relationships and New Species

Thomas R. Soderstrom and Cleofe E. Calderon
Brittonia
Vol. 30, No. 3 (Jul. - Sep., 1978), pp. 297-312
Published by: Springer on behalf of the New York Botanical Garden Press
Stable URL: http://www.jstor.org/stable/2806264
Page Count: 16
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Chusquea and Swallenochloa (Poaceae: Bambusoideae): Generic Relationships and New Species
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Abstract

One new species of Chusquea and three of Swallenochloa are described. Morphological characters, especially of the culm leaves and branching, are pointed out as useful in distiguishing the two genra. A key to the 7 recognized species of Swallenochloa is given, and a discussion of its habitat, the paramo. Comment is made upon the recent evolution of the paramo habitat and therefore of the bamboo adapted to it, and reasons offered for the apparent active speciation which characterizes this bamboo genus.

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