|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: Nyctaginaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Perennial herb from thick caudex. Stem: little-branched, erect, > 7 mm diam; internodes with sticky brown ring. Leaf: few, +- in lower 1/2, petioled; blade oblong to round, thick. Inflorescence: openly branched; flowers in head, raceme, or umbel-like cluster; bracts 1--3, free, not forming involucre. Flower: perianth funnel-shaped; stamens 3, exserted; stigma +- spheric, exserted. Fruit: inconspicuously 10-ribbed, glabrous.
Species In Genus: 5 species: especially Chihuahuan Desert, northeastern Mexico. Etymology: (Latin: ring stem, from sticky ring on internode) Note: Closely related to Boerhavia.
eFlora Treatment Author: Andy Murdock & Richard Spellenberg
Jepson Online Interchange
Previous taxon: Allionia incarnata var. villosa
Next taxon: Anulocaulis annulatus
Citation for this treatment: Andy Murdock & Richard Spellenberg 2016. Anulocaulis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=8784, accessed on May 26, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 26, 2016.