Directory       News       Site Map       Home
         
    Jepson eFlora: Taxon page
Key to families | Table of families and genera

Previous taxon Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Previous taxon

CABOMBACEAE WATERSHIELD FAMILY

Thomas J. Rosatti

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.
2 genera, 6 species: temperate, tropical America, Africa, eastern 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

BRASENIA WATERSHIELD

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.))

B. schreberi J.F. Gmel.
NATIVE
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); to Alaska, Montana; eastern North America, Central America, South America, Africa, eastern Asia, eastern Australia. Apr–Oct [Online Interchange] {CNPS list}
Unabridged synonyms: [Brasenia peltata Pursh; Brasenia purpurea (Michx.) Casp.; Cabomba peltata (Pursh) F. Muell.; Hydropeltis purpurea Michx.]

Previous taxon: Brasenia
Next taxon: Cabomba

Contact/Feedback

Name search

Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 31 2014
Citation for this treatment: [Author of taxon treatment] 2013. Brasenia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=16062, accessed on Oct 31 2014

Copyright © 2014 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.


click for enlargement Brasenia schreberi
See CalPhotos for additional images
2006 Louis-M. Landry

Geographic subdivisions indicated for the distribution of Brasenia schreberi 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.
READ ABOUT YELLOW FLAGS
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).

View elevation by latitude chart
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 eFlora flowering time.