|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Polygonaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Annual, erect to spreading, glabrous or sparsely glandular. Leaf: basal, linear to narrow, awns 0; ocreae 0. Inflorescence: terminal, cyme-like; peduncles 0 or erect or reflexed; involucres 1, tubular, teeth (3)4, generally glabrous, awned. Flower: 2--10, glabrous or hairy and glandular; perianth white to rose or green-yellow, lobes 6, entire; stamens 9. Fruit: brown to maroon, generally elliptic, glabrous; embryo curved.
Species In Genus: 3 species: temperate western North America, southern South America. Etymology: (Greek: sharp case, for awned involucre) Note: Other taxa in TJM (1993) moved to Acanthoscyphus, Sidotheca.
eFlora Treatment Author: James L. Reveal & Thomas J. Rosatti
Jepson Online Interchange
Key to OxythecaPrevious taxon: Oxyria digyna
Next taxon: Oxytheca dendroidea subsp. dendroidea
Citation for this treatment: James L. Reveal & Thomas J. Rosatti 2016. Oxytheca, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=11221, accessed on December 07, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 07, 2016.