1. Leaves with ovate to broadly triangular blades mostly less than twice as long as wide, the lowermost (or next to lowermost) pair of lateral veins equaling or exceeding all others in length and prominence (and with several smaller branches toward margin of blade); buds each covered with several overlapping scales; bracts (“scales”) in ament coarsely toothed to lacerate or fringed; flowers with an oblique or symmetrical cuplike disc at base; stigmas consisting of 4 or more lobes.
Populus
1. Leaves with lanceolate to linear blades (1.5–) 2 or more times as long as wide, the lowermost several pairs of lateral veins shorter than those toward middle of blade, scarcely prominent; buds each covered with a single scale; bracts (“scales”) in ament entire; flowers with glands at base but no disc; stigmas 2, unlobed.
Salix
All species found in Salicaceae
| Populus alba | WHITE POPLAR, SILVER POPLAR | |
| Populus balsamifera | BALSAM POPLAR, HACKMATACK | |
| Populus deltoides | COTTONWOOD | |
| Populus grandidentata | LARGE-TOOTH ASPEN, BIG-TOOTH ASPEN | |
| Populus heterophylla | SWAMP COTTONWOOD | |
| Populus nigra | LOMBARDY POPLAR, EUROPEAN BLACK POPLAR | |
| Populus tremuloides | QUAKING ASPEN | |
| Salix alba | WHITE WILLOW | |
| Salix amygdaloides | PEACH-LEAVED WILLOW | |
| Salix atrocinerea | LARGE GRAY WILLOW | |
| Salix bebbiana | BEAKED WILLOW, BEBB'S WILLOW | |
| Salix candida | SAGE WILLOW, HOARY WILLOW | |
| Salix cinerea | GRAY WILLOW | |
| Salix cordata | SAND-DUNE WILLOW, FURRY WILLOW | |
| Salix discolor | PUSSY WILLOW | |
| Salix eriocephala | WILLOW | |
| Salix euxina | BRITTLE WILLOW, CRACK WILLOW | |
| Salix exigua | SANDBAR WILLOW | |
| Salix humilis | UPLAND WILLOW, PRAIRIE WILLOW | |
| Salix lucida | SHINING WILLOW | |
| Salix matsudana | CORKSCREW WILLOW | |
| Salix myricoides | BLUELEAF WILLOW | |
| Salix nigra | BLACK WILLOW | |
| Salix pedicellaris | BOG WILLOW | |
| Salix pellita | SATINY WILLOW | |
| Salix pentandra | BAY-LEAVED WILLOW, LAUREL WILLOW | |
| Salix petiolaris | SLENDER WILLOW, MEADOW WILLOW | |
| Salix planifolia | TEA-LEAVED WILLOW | |
| Salix purpurea | BASKET WILLOW, PURPLE-OSIER WILLOW | |
| Salix pyrifolia | BALSAM WILLOW | |
| Salix sericea | SILKY WILLOW | |
| Salix serissima | AUTUMN WILLOW | |
| Salix viminalis | BASKET WILLOW, COMMON OSIER, SILKY OSIER | |
Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. February 20, 2019. https://michiganflora.net/family.aspx?id=SALICACEAE.