familyCabombaceae
genusBrasenia
Show Lower Taxa
Brasenia
Gen. Pl. 1: 372. 1789.
Common names: Water-shield
Etymology: for Christoph Brasen, 1738-1774, Moravian missionary and plant collector in Greenland and Labrador
Treatment appears in FNA Volume 3.
| Taxon | Illustrator ⠉ | |
|---|---|---|
 | Ceratophyllum demersum Ceratophyllum echinatum Cabomba caroliniana Brasenia schreberi | John Myers John Myers John Myers John Myers |
Herbs, young vegetative parts heavily coated with mucilage. Leaves floating; petiole long. Leaf-blade elliptic. Flowers: sepals 3, not petaloid, linear-oblong to narrowly ovate; petals 3, linear-oblong, lacking auricles, base not clawed; stamens 18-36 (-51), opposite both sepals and petals; pistils 4-18, simple, 1-locular; ovules (1-) 2; stigma linear-decurrent. Fruits slightly to strongly fusiform. Seeds ovoid, tubercles absent. x = 40.
Distribution
Worldwide except Europe, mainly temperate and upland tropics
Discussion
Species 1 (1 in the flora).
Brasenia is known from the fossil record in Europe although it is not known to grow there currently.
Selected References
None.
Lower Taxa
... more about "Brasenia"
dehiscing +
absent +
lacking +
not clawed +
conspicuous +
Water-shield +
fleshy +
minute +
sparse +
for Christoph Brasen, 1738-1774, Moravian missionary and plant collector in Greenland and Labrador +
slender +
diurnal +
indehiscent +
fusiform +
leathery +
axillary +
shortened +
absent +
absent +
peltate +
elliptic +
dissected +
short-petioled +
floating +
submersed +
arising +
laminar +
young +
vegetative +
persistent +
hypogynous +
abundant +
alternate +
linear-oblong +
short to long +
simple +
4;18 +
vegetative +
Gen. Pl. +
1789 +
branched +
repent +
slender +
adventitious +
1;3 +
ovoid +
not petaloid +
longitudinal +
18;36 +
erect +
linear-decurrent +
absent +
water +
Brasenia +
Cabombaceae +
genus +
absent +
rhizomatous +
perennial +