sida, prickly

COMMON NAME: Sida, prickly
SCIENTIFIC NAME: Sida spinosa
FAMILY: Malvaceae
LIFECYCLE: Annual
FEATURES: Common annual herb. Plant stiff and rigid. Leaves solitary, alternate, and rhomboid with
lobed-toothed margins complete covering leaf edges. Flowers with five white to yellow,
solitary, occurring in leaf axils. Fruit a five-ridged capsule. Petiole (leaf stalk) is longer
than peduncle (flower stalk).
DESCRIPTION: Common weed in crop plants, along fencerows, infrequently mowed areas, and along field
edges. Often referred to as “teaweed” because of its similar leaves to tea (Camellia spp.).
Two characteristics distinguish arrowleaf and prickly sida: First, the length of the peduncle
(flower stalk) to petiole (leaf stalk). Arrowleaf has a longer peduncle and short petiole. Prickly
has a short peduncle and long petiole. Second, leaf edges. Arrowleaf has lobed teeth on the
upper half of the leaf, while prickly has lobed teethed throughout the leaf margins.

Broad View Flowering plant

Broad View
Flowering plant

Leaf Leaf

Leaf
Leaf