Buckwheat - Oct. 29, 10:49
This picture is of the Flat-Topped Buckwheat, which grows many small flowers in bunches.

Prickly Pear Cactus - Oct. 29, 11:35
The Prickly Pear cactus is common in the southern-Californian chaparral. Its spines are actually modified leaves, adapted to lose less water and protect the plant from other organisms attempting to steal its water. Cacti of most types contain a surplus of water, as it is a rarity in such dry environments.

Coffee Berry - Oct. 29, 10:51
Named the "Coffee Berry" due to its berries' resemblance to coffee beans, the California Coffee Berry has edible berries.

Poison Oak - Oct. 29, 10:46
The Poison Oak has three leaves, usually of a red tint or color, and leave an itchy rash on any point of contact as a defense mechanism. Thus, it should be avoided.

Whipple Yucca - Oct. 29, 11: 03
Every part of the Yucca, including its flowers, are edible. It grows a stalk, which can achieve up to 10 feet before it distributes seeds and promptly dies.

White Sage - Oct. 29, 10:49
The White Sage is characterized by white, leathery leaves, which are used to keep in water. It has a strong smell, probably to repel other organisms seeking their water.