Flora of North America species comparison

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Cyperus subg. Pycnostachys
Culms

and leaves with non-Kranz anatomy (C3).
Inflorescences

spikes;

rachilla persistent, wingless.
Spikelets

borne in digitate clusters (rarely singly) or in umbellate or glomerulate heads;

floral scales deciduous, 2-keeled or folded (conduplicate).
Flowers

stamens 1–3;

stigmas 3.
Achenes

trigonous, plano-convex, or terete.

Cyperus subg. Pycnostachys
Distribution
Worldwide
Discussion

Species ca. 150 (22 in the flora).

The greatest species diversity of Cyperus subg. Pycnostachys is found in the lowland forests of Central America, South America, Africa, and Malesia.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 23.
Parent taxa Cyperaceae > Cyperus
Subordinate taxa
Synonyms C. subg. Protocyperus
Name authority C. B. Clarke: in J. D. Hooker, Fl. Brit. India 6: 597. (1893)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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