Woodland cudweed is an erect forb, 10-60cm tall, has a narrow, inflorescence, somewhat leafy-bracteate, with 10 or more heads. Pappus bristles are united into a ring at base. Involucre scarcely woolly, or woolly only at the base, 5 to 7 mm, its bract rounded or obtuse, light or greenish-stramineous toward the base, some or all with a conspicuous dark brown, commonly inverted V-shaped spot above the middle. Achenes are sparsely strigose. Leaves are alternate, linear or narrowly oblanceolate, numerous and overlapping, mostly glabrous above. Larger basal and lower cauline leaves 3-8mm wide. Leaves at the base of the inflorescence are 2-3mm wide.