About Streptanthus coulteri A.Gray
Classification and Growth Form
Streptanthus coulteri (also referred to as Caulanthus coulteri) is an annual herb that grows between 100 and 1600 millimeters (4 to 63 inches) tall.
Stem and Leaf Structure
It produces a slender, branching stem lined with generally lance-shaped leaves, which can have edges ranging from smooth to sharply sawtoothed.
Flower Shape
Its widely spaced flowers are somewhat bullet-shaped, covered by pouched sepals.
Sepal Coloration
The sepals are bright to deep purple when new, and fade to yellow-green as they age.
Petal Features
When the sepals open, they reveal dark-veined petal tips with wavy margins.
Fruit Characteristics
The fruit is a long, thin silique that may reach up to 13 centimeters (5.1 inches) in length.
