Betula occidentalis (Water Birch)

8/18/11 Creekside, under bridge at Whitney Portal National Recreation trailhead. 

Lone Pine region, Eastern Sierras, Inyo National Forest, Inyo County, CA

8/18/11

LIFE LIST NOTES:

COMMON NAME: Water Birch

SPECIES: Betula occidentalis

FAMILY: Cornaceae (Dogwood Family)

LIFE LIST DATE: 8/18/2011

LOCATION: Creekside, bridge at Whitney Portal National Recreation trailhead. Lone Pine region, Eastern Sierras, Inyo National Forest, Inyo County, CA

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Jepson eFlora:

NATIVE

Stem: trunks to 10 m; bark red-brown to black, not peeling; twigs with large resin glands, hairy. 

Leaf: petiole < 15 mm, hairy; blade 2--5 cm, wide-ovate, glands especially adaxially, base +- truncate to tapered. 

Pistillate Inflorescence: 3--5 cm; bract fringed with hairs. 

Ecology: Streamsides, springs; 

Elevation: 600--2900 m. 

Bioregional Distribution: KR, CaRH, SNH, GB, DMtns; 

Distribution Outside California: scattered in western North America. 

Flowering Time: Apr--May 

eFlora Treatment Author: John O. Sawyer, Jr.