Erect Spiderling is a perennial herb to 1 m tall, the erect cousin of
. It is a plant
with a robust taproot. Stems are sticky, thickened at nodes, green or
purple. Leaves occur in unequal pairs, have stalks and are finely hairy.
Larger leaves 1-4 X 0.5-2.5 cm, and the smaller ones are 0.5-3 X 0.4-2 cm.
Flowers occur in panicles or umbel-like clusters in leaf axils or at the
end of branches, with 3-9 flowers per bunch. Flower tube is constricted
about the middle, green below, and white to pink in the upper part, divided
into 5-lobes. Fruit is to 4 mm long, thin-walled, ribbed, and becomes
sticky when wet. It contains a single, club-shaped, longitudinally-ribbed
seed. Erect Spiderling is native to the American continent, Africa and South-East Asia, and is widely naturalized in many regions.