Betula nana var. intermedia
Native to (or naturalized in) Oregon:
- Broadleaf deciduous shrub, often spreading, to 10 ft (3 m) tall, twigs with large resinous warty glands, bark dark brown. Leaves alternate, simple, 2-4 cm long, rounded to broadly elliptic, rather leathery, margin crenate-serrate or serrate, glabrous beneath, gland dots on both surfaces (visible only with high magnification); short petiole. Male catkins near the base of twigs, 1.2-2.5 cm long, light brown. Fruit catkins 1.5-2 cm long, erect, wings of the nutlets narrower than the body.
- Hardy to USDA Zone 3 Native to North America and Greenland, in the Pacific Northwest, found in mountain meadows, bogs, and around springs and seeps. Similar to Betula nana and has been categorized as Betula nana var. intermedia.
- glandulosa: bearing glands
- Oregon State Univ. campus: south (east) Peavy Hall, north of Dryden Hall.