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Section Bicolores
See list of 2 species in this sectionReference: Ball (2002a).
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1a. Perigynia becoming gold-orange just prior to being shed, smooth or minutely papillose; lateral spikes relatively sparsely flowered, the internodes of the mid-portion (0.5–) 0.7–1.5 mm long; uppermost spike usually entirely staminate; carpellate scales ovate-oblong, divergent in fruit
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1b. Perigynia glaucous-white, densely papillose [Fig. 71]; lateral spikes densely flowered, the internodes of the mid-portion 0.2–0.7 mm long; uppermost spike, or at least many in the population, gynecandrous; carpellate scales ovate-orbicular, ascending
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Each photo represents one species in this section.