Ornamental portulaca:

often called moss rose, has more needle-like leaves than purslane foliage.

The flowers also are showier, often looking either like a cactus bloom or a tiny carnation or rose.

Flowers do not open on cloudy or rainy days.

Learn more here:

Purslane:

  • is a fast-growing herbaceous annual with succulent leaves and stems. 
  • was grown in India originally and provided nutrition and reported health benefits. Those who eat purslane have described its taste as lemony or similar to spinach. (read more about their nutrition value)
  • They typically open only on hot, sunny days from midmorning to early afternoon.

Learn more: