The New Zealand Plant Conservation Network

Species

Humulus lupulus var. lupulus

Common Name(s)

hops

Family

Cannabaceae

Flora Category

Vascular - Exotic

Structural Class

Dicotyledonous Lianes and Related Trailing Plants

Habitat

Terrestrial.

Features

Dioecious or monoecious climber with extensive roots. Stems striate, up to 10m long and clothed in rough deflexed hairs. Leaves broadly ovate, not lobed or deeply 3~5-lobed; lobes acute to acuminate, serrate, generally glabrous to sparsely hairy above, generally glabrous to moderately hairy with yellow glandular hairs below. Petiole usually equal to leaf blade. Stipules 2 per node and 2-fid or 4 per node and entire. Bracts of female flowers triangular, hairy, green, elongating and becoming yellowish at fruiting to form a cylindric-ovoid infructescence (the hop) with yellow glandular hairs esp. at base of bracts. Calyx of male flowers ovate-triangular, green, hairy. Achene ovate-ellipsoid, covered by glandular calyx. (- Webb et. al., 1988)

Similar Taxa

Climber with extensive roots; stems up to 10m long; dioecious (male and female flowers on different plants) or monoecious (same plant); bracts of female flowers triangular, hairy, green and becoming yellowish at fruiting to form cylindric-ovoid fruiting structure (the hop) (Webb et al., 1988).

Flowering

January, February

Flower Colours

Green

Fruiting

February - March

Year Naturalised

1872

Origin

Europe, C&W Asia

This page last updated on 18 Jan 2010