sida, arrowleaf

COMMON NAME: Sida, arrowleaf
SCIENTIFIC NAME: Sida rhombifolia
FAMILY: Malvaceae
LIFECYCLE: Annual, perennial with milder winters
FEATURES: Leaves simple, alternate; leaves dentate on upper 2/3 and smooth on lower 1/3. Simple
white to yellow flowers with 5 petals (typical Malvaceous type flowers, except smaller).
Can easily be mistake with prickly sida and spurred anoda.
DESCRIPTION: Summer annual or perennial weed in crops, landscape, and tall mowed turfgrass areas.
In coastal plains of Alabama it can function as a perennial with a very strong rootstock
that cannot be easily pulled from the ground. 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.

Leaf Arrowleaf sida stem

Leaf
Arrowleaf sida stem

Additional Rough mowed stand of arrowleaf sida

Additional
Rough mowed stand of arrowleaf sida

Leaf Leaf close up

Leaf
Leaf close up

Additional Leaf close up

Additional
Leaf close up