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the fleshy axis of a spike often surrounded by a spathe

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decus-silvae, first described around 1920, which bears its spadices on a remarkable stalk up to 10 ft (3 m) tall, while the dark purple inflorescence is 4.9 ft (1.5 m) long.
It is a dioecious, myrmecophilous tree of 20-35 m height with many clusters of 3-5 wind-pollinated spadices, each bearing 2700-4700 cylindrical achenes, 1-2 mm long and 0.8-1.3 mm wide (Alvarez-Buylla and Martinez-Ramos 1992; Alvarez-Buylla and Garay 1994).
Both genders produce long, branched reproductive shoots supporting spikes of flowers, termed "spadices." Pollen is released into the water as clumps of grains [approximately equal] 2 mm long that are dispersed rapidly by water motion (S.
The population thus displays an age gradient in floral development within and among spadices and among shoots that I averaged over the clonal hierarchy of flowers within spadices within shoots.
To assess whether the number of female spadices per flowering shoot varied with time during a reproductive episode, one-way ANOVA was performed on counts from a single depth (1.5 m) covering the period from January to September 1991.
Not every spadix carried aborted fruits or seeds; I calculated the percent spadices with abortions on each flowering shoot and averaged the percent over flowering shoots with abortions.
Female inflorescence buds give rise to clusters of three to five spadices, 12-21 cm long.