Johnsonia lupulina is a rhizomatous, tufted, clump-forming, grass-like or perennial herb with leaves 48–75 mm (1.9–3.0 in) long and 1.7–2.3 mm (0.067–0.091 in) wide. The flowering scape is 42–72 mm (1.7–2.8 in) long with broadly lance-shaped floral bracts 17–24 mm (0.67–0.94 in) long and 5–6 mm (0.20–0.24 in) wide. The perianth is 7–8 mm (0.28–0.31 in) long and creamy-white, and the sepals are wider than the petals. The anthers are 4–5 mm (0.16–0.20 in) long and the style is 5–6 mm (0.20–0.24 in) long. Flowering occurs from September to November and the fruit is a capsule 7–8 mm (0.28–0.31 in) long.
This species occurs between Albany and Collie in the Esperance Plains, Jarrah Forest, Swan Coastal Plain and Warren biogeographic regions of south-western Western Australia, where it grows on dunes, roadsides and damp situations in woodland.
Johnsonia lupulina is listed in the following regions:
Maps
Walpole-Nornalup National ParkPlaces
Broke, WA