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Echinodorus berteroi

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About Upright Burhead (Echinodorus berteroi) Echinodorus berteroi (upright burhead or cellophane sword) is an aquatic plant species in the Alismataceae It is native to the southern and central parts of the United States, as well as Central America, the West Indies, and South America as far south as Argentina. Submersed leaves often modified into phyllodes, 10 - 45 cm long x 0. 5 - 4 cm wide, linear to narrowly elliptical, of very variable shape and size, light-green, membraneously transparent, network between the veins often lighter or darker, thus the submersed leaves often appearing mosaic-like coloured. Emerse leaves long-petioled, 5 - 55 cm long, blades light-green, cordate, 5 - 12 cm long x 3 - 5 cm wide, in terrestrial dwarf forms the blades are ovate, truncate at the base, 2 - 5 cm long x 1 - 2 cm wide. In the blades there are very clear pellucid lines 1 - 5 mm (exceptionally up to 11 mm) long. Stem upright, inflorescence compound, branched in lower whorls. In terrestrial forms stem only 6 - 10 cm long. Corolla white, about 1. 5 cm in diameter, stamens 12, achenes numerous in echinate head, nutlets grey-brown, 2. 5 - 3. 5 mm long x 1 - 1. 3 mm wide, broadly keeled, with 2 winged ribs alternating with 3 non-winged ribs; facial gland single, close to the beak, indistinct or quite absent. Mature specimens may have between 10 - 30 leaves. most of them differing in shape and size. Prefers a larger tank with a deep, rich substrate and good light. It is easy to grow but will soon outgrow the average aquarium. Can be divided, or in submerse plants, adventitious plantlets will form on the infloresence and can be divided and planted out. Seed will be set in emerse plants, and can be planted out in shallow trays with sand and shallow warm water. Prefers soft, rather acid water. Sub-tropical to tropical temperatures. It doesn't seem to thrive in hard water. Will grow in and by the pond in warmer regions, but must be protected from frost.
Plant Description
Plant Type
Perennial herb

Native Status

Natural Setting
Elevation ?
7' - 5660'

Annual Precip. ?
6.5" - 40.2"

Summer Precip. ?
0.15" - 2.72"

Coldest Month ?
39.9° F - 55.5° F

Hottest Month ?
64.0° F - 80.9° F

Humidity ?
0.79 vpd - 27.94 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Cellophane Sword

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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