Streptanthus albidus smaller and narrower, sometimes linear in shape, and toothed or smooth-edged. Flowers occur at intervals along the upper stem. Each has a spherical to urn-shaped calyx of keeled sepals about a centimeter long with curving petals emerging from the tip. The calyx of sepals may be white to purple, depending on subspecies. The fruit is a long, narrow silique which may be 12 centimeters in length. There are two subspecies, both rare. Streptanthus albidus Streptanthus albidus is a species of flowering plant in the mustard family known by the common name Metcalf Canyon jewelflower. It is endemic to California, where
Nemophila heterophylla each a few millimetres long, pointed, and covered with long hairs, and there are reflexed appendages between the sepals. The bowl-shaped flower corolla is white or blue and a few millimeters to over a centimeter wide. The fruit is a capsule which develops within the calyx of sepals and contains a few yellowish seeds. Nemophila heterophylla Nemophila heterophylla is a species of flowering plant in the borage family known by the common name small baby blue eyes. It is native to South east UK and California north of the Transverse Ranges. It grows in many types of habitat, from valley