Common hop American wild (Humulus lupulus var. lupuloides)

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Humulus lupulus var. lupuloides: Wild American Hops Guide

Climbing high along the moist riverbanks and woodland edges of eastern North America, the wild vines of Humulus lupulus var. lupuloides release a rich, resinous aroma of pine and citrus when brushed by wind. These vigorous perennial bines use hook-like hairs to climb surrounding vegetation and structures, reaching heights of up to ten meters in a single growing season.

As a native North American variety of the common hop, this plant plays an essential ecological role in supporting local pollinators and herbivorous insects. Its dense, cone-like structures, known as strobiles, contain valuable lupulin glands that have caught the attention of botanists and brewers alike.

Taxonomy

∟ царство Plantae
∟ division Tracheophytes (Vascular Plants)
∟ subdivision Spermatophytes (Seed plants)
∟ Angiosperms
∟ mesangiosperms (Core angiosperms)
∟ eudicots
∟ Superrosids
∟ rosids
∟ order Rosales
∟ family Cannabaceae (Hemp family)
∟ genus Humulus (Hops)
∟ species Humulus lupulus (Common Hop)
∟ variety Humulus lupulus var. lupuloides (Common hop American wild)

Morphology

The vegetative structure of Humulus lupulus var. lupuloides is characterized by rough, twining stems that grow in a clockwise direction. These climbing bines are armed with stiff, downward-pointing hairs that provide traction as they scale vertical surfaces.

Its leaves are opposite and deeply divided into three to five sharply serrated lobes, though upper leaves may remain simple. The petioles of mid-stem leaves are notably shorter than or equal to the length of the leaf blades. The underside of each leaf is dotted with yellow, glandular trichomes called lupulin glands, and the veins are covered with moderate pubescence.

Being a dioecious species, male and female flowers develop on separate plants. The female inflorescences mature into soft, pale green, cone-like strobiles composed of overlapping papery bracts. These strobiles are rich in resinous lupulin, which protects the developing seeds from herbivores.

Flowering season

Flowers typically appear from mid-summer to early autumn, usually between July and September.

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Applications

Historically, indigenous peoples of North America utilized the wild cones of Humulus lupulus var. lupuloides for traditional medicine and wellness. Infusions and poultices made from the strobiles were commonly prepared to treat insomnia, relieve pain, and soothe digestive discomfort.

In modern times, craft brewers occasionally harvest this wild variety to infuse local beers with a distinct, rustic terroir characterized by strong herbal and piney notes. Furthermore, the plant is highly valued in habitat restoration projects. It serves as a vital larval host for native butterfly species, including the Eastern Comma and the Question Mark.

Interesting facts

The climbing strategy of Humulus lupulus var. lupuloides is remarkably consistent, as its bines always twine in a clockwise direction. Unlike many other climbing vines that utilize tendrils, this variety relies entirely on stem rotation and hook-like hairs to ascend.

Natural Preservative: The bitter resins produced in the lupulin glands of the strobiles have natural antimicrobial properties that prevent the growth of harmful bacteria.
Butterfly Nursery: This plant is a primary food source for the caterpillars of several beautiful brush-footed butterflies, making it crucial for regional biodiversity.
Climatic Resilience: Found across diverse environments from the cold Northeast to the arid canyons of the Southwest, this variety displays remarkable genetic adaptability.