Prickly Sida

Sida1.bmp (1395578 bytes)

Cotyledons.  Key characteristics: covered with dense hairs, rounded to heart-shaped.

Sida2.bmp (1625774 bytes) 

Vegetative plants.  Key characteristics: leaves are alternate and the margins are serrated.

Sida3.bmp (1625774 bytes)

Stem.  Key characteristics: fleshy stipules are located at the base of the petioles.

Sida4.bmp (1823694 bytes)

Flower.  Key characteristics: produced in the leaf axils, are pale yellow and have 5 petals.

  

Seed.  Seed  have two spines on one terminal and rounded on the other.  Length, including spines, is approximately 4.0 mm.

Life cycle: summer annual.