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Cabomba caroliniana

Higher Taxonomy
Family: CabombaceaeView DescriptionDichotomous Key

Common Name: WATERSHIELD FAMILY
Habit: Perennial herb, aquatic, rhizomes in mud. Stem: elongate, leafy, ends floating. Leaf: of 2 kinds: submersed, palmately dissected, opposite [whorled], short-petioled, not peltate; floating, simple, alternate, petioled, peltate, entire; stipules 0. Inflorescence: flowers 1 on long axillary peduncles, generally on or above water surface. Flower: bisexual, parts +- free; sepals, petals each 3[4], alternate, persistent; stamens 3--6 or 18--36(51), filaments slender, anthers opening lengthwise; carpels [1]2--18, ovaries superior, 1-chambered, ovules [1]2--3[5]. Fruit: achene- or follicle-like, indehiscent. Seed: 1--3, aril 0.
Genera In Family: 2 genera, 6 species: temperate, tropical America, Africa, eastern Asia, Australia; some Cabomba species cultivated for aquaria. Note: Separation from Nymphaeaceae (carpels fused, fruits berry-like) confirmed by molecular data (Les et al. 1999 Syst Bot 24:28--46).
Unabridged Note: Pollinated by wind (Brasenia) or insects (Cabomba).
eFlora Treatment Author: Thomas J. Rosatti
Scientific Editor: Bruce G. Baldwin, Robert E. Preston.
Genus: CabombaView Description 

Common Name: FANWORT
Leaf: blade +- >= petiole; submersed leaves dissected into many +- thread-like to linear segments. Flower: perianth white to +- yellow [purple]; carpels [1]3[4], stigmas head-like. Seed: 1--3.
Species In Genus: 5 species: generally tropical America. Etymology: (Probably aboriginal)

Cabomba caroliniana A. Gray
NATURALIZED
Leaf: submersed petiole 7--30(40) mm, blade 10--40 mm, (15)30--60 mm wide, +- deltate to reniform; floating 0--few, 6--20(30) mm, 1--4 mm wide, linear-elliptic, +- entire, base +- notched. Flower: sepals (5)7--12 mm, white or cream; petals +- > sepals, colored as sepals except base with 2 +- yellow nectaries. Fruit: 4--7 mm. Chromosomes: 2n=+-78,+-104.
Ecology: Ponds, slow streams; Elevation: 0 m. Bioregional Distribution: SnJV; Distribution Outside California: Oregon; native to eastern United States (except northern part of range), southern South America. Flowering Time: May--Sep Note: Reportedly spreading rapidly in Sacramento Delta, expected widely.
eFlora Treatment Author: Thomas J. Rosatti
Jepson Online Interchange
Noxious Weed

Previous taxon: Cabomba
Next taxon: Nymphaeaceae

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botanical illustration including Cabomba caroliniana

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Citation for this treatment: Thomas J. Rosatti 2016. Cabomba caroliniana, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=16450, accessed on April 30, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on April 30, 2016.


Geographic subdivisions for Cabomba caroliniana:
SnJV;
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.