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|Family: Haloragaceae||View Description||Dichotomous Key|
|Genus: Myriophyllum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Myriophyllum quitense Kunth
Habit: Monoecious; winter buds 0. Stem: > 1 m, dark gray when dry; from strong +- white rhizomes. Leaf: in whorls of 4--5, 1--2.5 cm, comb-like, with 8--20 thread-like segments; lowermost stem leaves on young shoots bract-like, entire, opposite. Inflorescence: simple to conspicuously branched spike, 4--8 cm, emergent; bracts 4--10 mm, triangular, minutely serrate. Flower: stamens 8.
Ecology: Uncommon. In streams, thermal creeks, shallow water along lakeshores with strong wave action; Elevation: < 2000 m. Bioregional Distribution: CaRH, n SNH, e SnBr; Distribution Outside California: to British Columbia, New Brunswick, Prince Edward Island, Wyoming, Utah, Arizona, Mexico, South America. Flowering Time: Jul--Sep
Unabridged Synonyms: Myriophyllum elatinoides Gaudich.
Unabridged Note: Ash-like sheen on stem, leaves of dried herbarium specimens; be aware of its special habitats. In young shoots look for lowermost opposite, bract-like stem leaves.
eFlora Treatment Author: Adolf Ceska & Oldriska Ceska
Jepson Online Interchange
Previous taxon: Myriophyllum hippuroides
Next taxon: Myriophyllum sibiricum
Citation for this treatment: Adolf Ceska & Oldriska Ceska 2017. Myriophyllum quitense, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=34271, accessed on April 25, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 25, 2017.