|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 large taproot. Stem: much-branched. Leaf: petioled; blade < 8 cm, fleshy, margin often wavy. Inflorescence: head or umbel; bracts 5--10, green; flowers maturing 1 side of inflorescence before the other; receptacle flat or rounded, studded with peg-shaped pedicel-like projections 1--3 mm. Flower: nocturnal, perianth trumpet-shaped, lobes 4--5; stamens 3--5, included; stigma linear, included. Fruit: wings 2--4, wide, surrounding fruit body, translucent, conspicuously net-veined.
Species In Genus: 4 species: arid North America. Etymology: (Greek, Latin: 3-winged cup, from fruit) Note: Closely related to Abronia.
eFlora Treatment Author: Andy Murdock
Jepson Online Interchange
Key to TripterocalyxPrevious taxon: Mirabilis tenuiloba
Next taxon: Tripterocalyx crux-maltae
Citation for this treatment: Andy Murdock 2016. Tripterocalyx, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=8795, accessed on December 06, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 06, 2016.