About Astragalus pycnostachyus A.Gray
Common Name and Growth Form
This species, commonly known as marsh milkvetch, is a perennial herb.
Stem Characteristics
It grows as a thick, erect clump of hollow, woolly stems that reach 40 to 90 centimeters in height.
Leaf Structure
Its leaves can grow up to 15 centimeters long, and are composed of numerous narrow oval-shaped leaflets.
Inflorescence and Flowers
Its inflorescence is a cluster holding many flowers, which range in color from whitish to greenish, and each flower grows up to one centimeter long.
Fruit Traits
Its fruit is an inflated, papery legume pod that bears a small hooked beak at its tip.
