Show Lower Taxa
Cyperus acuminatus, Cyperus amabilis, Cyperus cuspidatus, Cyperus dentatus, Cyperus difformis, Cyperus distinctus, Cyperus drummondii, Cyperus entrerianus, Cyperus eragrostis, Cyperus fuscus, Cyperus gracilis, Cyperus haspan, Cyperus involucratus, Cyperus lecontei, Cyperus ochraceus, Cyperus onerosus, Cyperus prolifer, Cyperus pseudovegetus, Cyperus reflexus, Cyperus seslerioides, Cyperus surinamensis, Cyperus virens
Difference between revisions of "Cyperus subg. Pycnostachys"
in J. D. Hooker, Fl. Brit. India 6: 597. 1893.
Synonyms: Cyperus subg. Protocyperus Lye
Treatment appears in FNA Volume 23.
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|accepted_name=Cyperus subg. Pycnostachys | |accepted_name=Cyperus subg. Pycnostachys | ||
| − | |accepted_authority=C. B. Clarke | + | |accepted_authority=C. B. Clarke |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in J. D. Hooker, Fl. Brit. India | |title=in J. D. Hooker, Fl. Brit. India | ||
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name=Cyperus subg. Pycnostachys | name=Cyperus subg. Pycnostachys | ||
| − | |authority=C. B. Clarke | + | |authority=C. B. Clarke |
|rank=subgenus | |rank=subgenus | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1893 | |publication year=1893 | ||
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|genus=Cyperus | |genus=Cyperus | ||
|subgenus=Cyperus subg. Pycnostachys | |subgenus=Cyperus subg. Pycnostachys | ||
Latest revision as of 21:39, 5 November 2020
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.
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.
Lower Taxa
Cyperus acuminatus, Cyperus amabilis, Cyperus cuspidatus, Cyperus dentatus, Cyperus difformis, Cyperus distinctus, Cyperus drummondii, Cyperus entrerianus, Cyperus eragrostis, Cyperus fuscus, Cyperus gracilis, Cyperus haspan, Cyperus involucratus, Cyperus lecontei, Cyperus ochraceus, Cyperus onerosus, Cyperus prolifer, Cyperus pseudovegetus, Cyperus reflexus, Cyperus seslerioides, Cyperus surinamensis, Cyperus virens