Jepson Herbarium
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Perennial, 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.
2 genera, 6 species: temperate, tropical America, Africa, e Asia, Australia; some Cabomba species cultivated for aquaria. [Taylor & Osborn 2006 Amer J Bot 93:344–356] Separation from Nymphaeaceae (carpels fused, fruits berry-like) confirmed by molecular data (Les et al. 1999 Syst Bot 24:28–46). —Scientific Editors: Bruce G. Baldwin, Robert E. Preston.
Unabridged references: [Les et al. 1999 Syst Bot 24:28–46; Taylor & Osborn 2006 Amer J Bot 93:344–356; Wiersema 1997 FNANM 3:78–80]
Unabridged note: Pollinated by wind (Brasenia) or insects (Cabomba).

Key to Cabombaceae

1 sp. (C. Brasen, Danish surgeon, plant collector, 1738–1774)
Unabridged etymology: (Christoph Brasen, 1738–1774, Danish surgeon and plant collector, leader of the 1771 missionary expedition that established the Moravian mission of Nain on the coast of Labrador (Charters & Hollombe, pers. comm.))

Submersed parts covered with thick mucilage.
Stem: slender, 3–20 dm, branching, red-brown.
Leaf: centrally peltate; blade << petiole, 3.5–12(13.5) cm, 2–8 cm wide, elliptic to ovate, ± entire.
Inflorescence: flowers 1 in axils.
Flower: perianth 10–20 mm, ± red-purple or purple-brown; petals ± > sepals, linear-oblong; filaments thread-like; carpels (2)4–18, stigmas linear- decurrent.
Fruit: 6–8(10) mm, oblong, leathery.
Seed: 1–2.
2n=80. Ponds, slow streams; < 2200 m. North Coast Ranges, High Cascade Range, High Sierra Nevada, Sacramento Valley, Modoc Plateau (except Warner Mountains);

Previous taxon: Brasenia
Next taxon: Cabomba

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].

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Bioregions in which taxon occurs	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.
Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates.	Data provided by the participants of the Consortium of California Herbaria. View all CCH records   CCH collections by month Duplicates counted once; synonyms included. Species do not include records of infraspecific taxa. Blue line denotes Manual flowering time.