Littorella P.J. Bergius
shoreweed
Plantaginaceae
Centrolepis, Eleocharis, Isoetes, Isolepis, Lilaeopsis. Lobelia, Pilularia, Sagittaria, Trithuria
North America, Europe, South America
Littorella americana Fernald
L. uniflora (L.) Asch.
not known
not weedy
small emergentemergent:
(adj) (syn. emersed) with parts raised out of the water; extending up out of the water
or littorallittoral:
(adj) of or along the shore
, mat-forming plant
Perennialperennial:
(adj) (of a plant) having a life cycle of more than two years
, stoloniferous, forming dense mats. Leaves in a basalbasal:
(adj) at or pertaining to the base, or point of attachment
rosetterosette:
(n) a radiating cluster of leaves, usually close to the ground at the base of a plant
; leaf bladeblade:
(n) (syn. lamina) the flat, expanded part of a leaf, frond, or petal (excluding, e.g., the petiole)
linear, subcylindrical to flattened. Flowers inconspicuous, +/- 4 mm in diameter, actinomorphicactinomorphic:
(adj) of flowers, having radial symmetry; capable of being bisected into identifical halves along more than one axis
, unisexualunisexual:
(adj) (of a flower) with either stamens (male) or pistils (female) but not both; consisting of only male or female flowers
; male flowers solitary, pedicellatepedicellate:
(adj) borne on a pedicel
; female flowers in few-flowered spikespike:
(n) an indeterminate, unbranching inflorescence of sessile flowers or flower clusters on a usually elongated axis
. Sepals 4; petals 4, fused at base, scariousscarious:
(adj) dry, thin, membranous, non-green, more or less translucent
. Fruit a hard nut. Dispersal of nuts unknown.
littorallittoral:
(adj) of or along the shore
areas of still or running waters
A genus of three accepted species; L. uniflora (L.) Asch. and L. americana Fernald are both accepted species but are often used as synonyms.