What’s a dichotomous key?
Help
Section Squarrosae
See list of 2 species in this section-
1a. Carpellate spikes with widely radiating perigynia, the lower of each spike often reflexed; achenes 1.1–1.4 mm wide, with a sinuous, persistent style; beak of perigynium usually smooth
-
1b. Carpellate spikes with appressed-ascending to ascending perigynia; achenes 1.4–1.7 mm wide, with a partially deciduous style and only the straight basal portion remaining on the achene; beak of perigynium often sparsely scabrous
Show photos of:
Each photo represents one species in this section.