Western Rattlesnake Plantain

On a shaded forest floor, among fallen needles and moss, a flat circle of dark leaves lies close to the ground. Each leaf is split down the middle by a white stripe. In late summer a hairy stalk rises from the center with small white flowers, many turned to one side. This is western rattlesnake plantain, Goodyera oblongifolia, an orchid that spends most of its life as leaves alone.¹

Start with those leaves. They stay green through winter, grow 2.5 to 10 centimeters long, and are usually marked with white only along the center vein, sometimes with fine white side veins close to it.¹ Near the Pacific coast, from northern California to southeastern Alaska, many plants carry a full white net across the leaf. Botanists once named those netted plants as their own variety. Then garden experiments found plain-striped leaves and netted leaves growing from the same clone, so the variety was dropped.¹ One orchid colony can wear a plain white stripe on one rosette and a full snakeskin net on another.

That pattern gave the plant its name. Early settlers held an old belief that a plant’s markings hinted at what it was good for, and they saw snakeskin in the white leaf veins. The flat rosette may have reminded them of broadleaf plantain.² Despite both halves of the name, this is no relative of the lawn blackseed plantain. It is an orchid.

A world plant checklist records it as native from Alaska and British Columbia south through California, Arizona and New Mexico into northeastern Mexico, and east through the Great Lakes to Quebec, Maine, New Brunswick, Nova Scotia and Newfoundland.³ It grows in moist or dry conifer and mixed forest, from sea level to about 3,400 meters. In the southern Rocky Mountains it stays in high spruce and fir forest, and in the East it grows only on ground once covered by glaciers.¹ In Maine, where it is listed as endangered, it grows mostly at the bases of old northern white-cedars.⁴ The first community record on this page came from central Oregon on June 28, 2026, inside that native range.

The plant works on a slow schedule. Each rosette takes one to three years to mature and flowers only once. As its seed capsules ripen, that rosette dies, but by then new rosettes have grown from the same creeping underground stem, so the colony carries on.⁴ In Maine, more than 95 percent of the plants found had leaves and no flowers at all. Its seeds are specks under a millimeter long. Like the seeds of pink lady’s slipper, they carry almost no stored food, and in the soil they need fungi to start growing.⁴

When a spike does bloom, bumblebees do most of the work. The lowest flowers open first and hold the most nectar, so bees start at the bottom and climb.⁵ They leave with the orchid’s pollen packets stuck to their tongues and carry them to the next plant.⁴ Under ultraviolet light, the flowers glow strongly.⁴

Three other rattlesnake plantains share North American woods, and without flowers they can be hard to separate. Downy rattlesnake plantain has a fine white net on every vein and a dense, even cylinder of flowers. Checkered and lesser rattlesnake plantain usually lack the broad center stripe and have smaller flowers.⁶ On the same shady ground, American wintergreen also keeps an evergreen rosette, but its rounded leaves are plain green.

If you find one striped rosette, look around it before you move on. A few more nearby may share one stem under the needles, each waiting its turn to flower once.