Narrow Leaf Milkweed Identification. Narrow leaf milkweed is a glabrous perennial with glabrous to ascending stems. There are around a 100 native species of milkweed in north america and we are not going to cover the details to identify all of them.
Milkweed is perhaps most well known for its seeds. And produce green linear leaves during the spring season following winter rains. There are 5 separate sepals petal like leaves and 5 fused petals.
Following the flowering season this species can survive with little supplemental moisture.
Narrow leaf milkweed will grow to heights of 3 4 ft. Leaves are in whorls of 3 5 often with axillary clusters of small leaves. Across 10 12 cm of lavender and white starry flowers from early summer to fall. The leaf blades are narrowly.