|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: Pontederiaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Annual, perennial herb, generally submersed, emergent, or on wet ground. Stem: +- erect, slender, elongate, +- spreading, rooting at nodes or stout. Leaf: alternate, linear, sessile, or +- in basal rosettes, +- ovate [cordate, reniform]; petiole 0 or not inflated, generally > blade. Inflorescence: generally 1-flowered. Flower: +- radial or bilateral; perianth salverform, lobes 6; stamens 3, alike or of 2 sizes, shapes, anthers coiled or not; ovary 1-chambered.
Species In Genus: +- 12 species: tropics, temperate America, Africa. Etymology: (Greek: different, anther, from unequal anthers of most species) Note: Flowers developed underwater generally cleistogamous; Heteranthera rotundifolia (Kunth) Griseb. (flowers peduncled; leaves generally not in basal rosette; closely related to Heteranthera limosa) a weed in rice fields in Butte, Yuba cos., possibly elsewhere.
eFlora Treatment Author: Charles N. Horn & Elizabeth McClintock
Jepson Online Interchange
Key to HeterantheraPrevious taxon: Eichhornia crassipes
Next taxon: Heteranthera dubia
Citation for this treatment: Charles N. Horn & Elizabeth McClintock 2016. Heteranthera, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9828, accessed on August 30, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 30, 2016.