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Section Clandestinae
See list of 2 species in this section-
1a. Perigynia 3.7–6 mm long; carpellate scales retuse to obtuse, cuspidate; leaves dark green, mostly equaling or exceeding the reproductive stems; most carpellate spikes borne on long, often arching, peduncles to 13 cm emerging from basal nodes
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1b. Perigynia 2.4–2.9 mm long; carpellate scales acute to obtuse, without a cusp; leaves pale green, mostly shorter than the reproductive stems; carpellate spikes all borne above the base on peduncles to 7 cm long
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