Ludwigia octovalvis (Jacq.) Raven.
Common Name : Primrose willow
Family : Onagraceae
HABIT |
A SEMI-SHRUBBY, ERECT, ANNUAL OR PERENNIAL HERB; 0.3-1.2 M TALL. |
STEMS |
WOODY BELOW, MUCH BRANCHED |
LEAVES |
ALTERNATE, NEARLY SESSILE, PUBESCENT TO GLABRESCENT, VARIABLE IN
SIZE AND SHAPE, 0.7-14 CM LONG AND 0.1-4 CM WIDE, LINEAR TO BROADLY ELLIPTIC,
APEX ACUTE TO ATTENUATE; BASE NARROWLY TO BROADLY CUNEATE. |
FLOWERS |
YELLOW, PUBESCENT, SOLITARY,
BORNE IN AXILS OF UPPER LEAVES. |
FRUITS |
CAPSULE MEMBRANOUS,
SUBQUADRANGULAR, CYLINDRICAL, 8-RIBBED, 2.5-5 CM LONG. |
SEEDS |
MINUTE, OVOID, SHINY, BROWN. |