Eastern Hemlock

Tsuga canadensis · Pinaceae (Pine family)

AI-generated identification · may be incorrect
Eastern Hemlock

Leaf Morphology

Leaf Type

Specialized (needle-like), evergreen

Shape

Linear, flat needles with a blunt or slightly notched apex and a short, twisted petiole-like base

Margin

Entire (smooth) and slightly revolute (rolled under)

Arrangement

Spiral arrangement on the twig, but twisted to appear flattened in a horizontal, two-ranked spray

Venation

Parallel (single central vein per needle)

Key Features

Flat, linear needles attached to tiny woody pegs (sterigmata) with two distinct white bands underneath, paired with a drooping leader and soft, fern-like branchlets

Description

A graceful, long-lived evergreen conifer with a pyramidal crown, drooping leader, and soft, feathery foliage arranged in flat sprays. The bark is deeply furrowed and reddish-brown on mature trees. It produces small, oval cones measuring about 3/4 inch long that hang near the branch tips.

Habitat

Cool, moist ravines, rocky slopes, streambanks, and dense northern forests; thrives in acidic, well-drained soils and high humidity with partial to full shade

Native Range

Native to eastern North America, stretching from Nova Scotia and southern Quebec west to Minnesota, and south along the Appalachian Mountains to northern Georgia

Identified on 10/4/2026