|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: Plantaginaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Annual [perennial herb], in water or on wet ground; monoecious [dioecious]. Stem: slender, generally ascending under water, floating on surface, or prostrate on ground, generally much-branched. Leaf: generally opposite, 4-ranked, lance-linear to spoon-shaped, entire [lobed]. Inflorescence: flowers 1--2(4) per leaf axil, bracts 2, +- white, generally inflated, or 0. Flower: minute, unisexual; perianth 0. Staminate Flower: stamen 1, filament elongate. Pistillate Flower: ovary superior, slightly lobed at tip and base, chambers 4, styles 2, thread-like. Fruit: 0.6--1.6[2.4] mm, +- dry, +- grooved lengthwise, splitting into 4 achene-like units.
Species In Genus: +- 75 species: tropics, temperate. Etymology: (Greek: beautiful hair, from long linear submerged leaves of some of Medit taxa) Note: Taxonomically difficult; mature fruit and 10× magnification needed for identification. Callitriche peploides Nutt. a nursery weed in southern California; Callitriche stenocarpa Hegelm., misappl. to various California taxa, but recorded from many sites in the Rocky Mountains and could be expected in California.
eFlora Treatment Author: Richard V. Lansdown & Robert E. Preston
Jepson Online Interchange
Key to CallitrichePrevious taxon: Bacopa rotundifolia
Next taxon: Callitriche fassettii
Citation for this treatment: Richard V. Lansdown & Robert E. Preston 2016. Callitriche, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9777, accessed on December 05, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 05, 2016.