Milk Maids

Cardamine californica

Mustard Family (Brassicaceae)

Native

Key Identifying Characteristics

One of the earliest blooming plants in the SF Bay Area. Typically about 1 foot tall, with roundish leaves at the base and three-lobed dagger shaped leaves near the top. Loose clusters of 4 petaled flowers, white to light pink, in the shape of a flattened cross.

Height / Size

Typically 1 foot high

Leaves

Leaves are alternating. Near the ground the leaves are roundish. Leaves higher up are three-part and lance-shaped.

Flower

Flowers are 0.5 inch in diameter, with 4 white to light pink petals in the shape of a flat cross. Stamens and pistil form a tight bunch in a yellow green center.
Blooms Time: January to May.

Fruit / Seed

Seedpods are long, slim capsules, 1.5 inches long, which project upward and outward from the stem. When mature, the seedpod splits lengthwise exposing 10 to 18 small, dull, brown seeds.

Habitat

Shady damp habitats but also open woodlands, grasslands and chaparral.

Location / Range

All trails. Common on Brooks Fall Overlook trail. Found from Washington to Baja.

Lifespan

2 years

Fascinating / Fun Facts

The flower closes its petals in late afternoon and when it rains, and nods the pedicel (flower stalk) to protect the pollen from rain. Also called Tooth Wort or Bitter Cress.

Sources

Calscape
Jepson eFlora
naturecollective.org
PlantID.net for San Pedro Valley CP (NRDB.org)
VanderWerf, Barbara. 1994. Montara Mountain. Gum Tree Lane Books, El Granada, CA. pg. 62