''Anulocaulis'' is a small genus of flowering plants known generally as ringstems. These five species are sometimes treated as members of genus ''
Boerhavia
''Boerhavia'' is a genus of over 100 species in the Nyctaginaceae family. The genus was named for Herman Boerhaave, a Dutch botanist, and the genus name is frequently misspelled "''Boerhaavia''". Common names include spiderlings and hogweeds.
T ...
''. Ringstems are thickly-rooted perennial wildflowers with
glutinous
Domestication syndrome refers to two sets of phenotypic traits that are common to either domestication of animals, domesticated animals, or domesticated plants. These traits were identified by Charles Darwin in ''The Variation of Animals and Pl ...
brown bands at their
stem internodes, the trait which gives them their common and Latin names. They bear tubular flowers at the tops of their stems. Ringstems are native to North America.
Species
*''
Anulocaulis annulatus'' - valley ringstem
*''
Anulocaulis eriosolenus'' - Big Bend ringstem
*''
Anulocaulis gypsogenus'' - gypsum ringstem
*''
Anulocaulis leiosolenus'' - southwestern ringstem
*''
Anulocaulis reflexus'' - Texas ringstem
See also
* ''
Nyctaginaceae
Nyctaginaceae, the four o'clock family, is a family of around 33 genera and 290 species of flowering plants, widely distributed in tropical and subtropical regions, with a few representatives in temperate regions. The family has a unique fruit t ...
''
References
External links
Jepson Manual Treatment
Nyctaginaceae
Caryophyllales genera
{{Caryophyllales-stub