Uncategorized

Showing 253–264 of 343 results

Populus angustifolia / narrow-leaf poplar
- a riparian tree also planted for landscaping
- long, narrow leaves with serrated edges
- furrowed, grey bark on mature trees; smooth and yellow-ish on young trees
- flowers are small, grey catkins in very early spring
- fruits are fluffy white cotton in early-mid summer
Populus tremuloides / quaking aspen
- white barked, often growing in large clones
- leaves flat with long, flat petiole at 90˚
- leaves quake in even light breezes
- twigs and buds reddish, long and pointed
- catkin flowers in very early spring
- leaves turn yellow or reddish or orange-ish in fall
Populus trichocarpa / black cottonwood
- conical tree
- heart or arrow-head shaped leaves; pointy tips
- inflorescences are red or brownish catkins in early spring
- cotton-y fruits disperse in early summer
Potamogeton richardsonii / Richardson’s pondweed
- submerged aquatic with emergent inflorescence
- crinkly, broad-ish leaves which clasp the stem
- variable length internodes
- often tangled up with sago pondweed
Potentilla fruticosa / shrubby cinquefoil
- low, deciduous, shrub; wetlands and riparian zones
- yellow buttercup-like flowers with 5 leaflets, often in clusters
- blooms from June until frost
- pinnately compound leaves, typically with 5 leaflets
- fruit (achene) remains into winter
Potentilla gracilis / slender cinquefoil
- yellow, 5-petaled flowers with many stamens
- petals touch or overlap
- leaves with 5-9 toothed, deeply cut lobes
- leaves may be hairy, especially below
- many different exposed habitats
Potentilla norvegica / rough cinquefoil
- 5 yellow petals, not fused
- 5 sepals longer than petals, esp. after flowering
- numerous stamens and pistils
- compound leaves with leaflets grouped in 3s
- prominent veins; toothed margins
- hairy stems
- mostly in disturbed areas, including gardens
Potentilla recta / sulfur cinquefoil
- perennial
- 8 to 30 stems per plant, each with 1-60 flowers
- petals are light yellow; centers are darker, sulfur yellow
- shiny, erect hairs arise at right angles to the stems.
- leaves are alternate and palmately compound, 5-9 leaflets per leaf
- invades both disturbed and undisturbed habitats
Primula parryi / Parry’s primrose
- striking, bright magenta (or pink) flowers with yellow centers, 5 petals
- 3 to 30 flowers per stalk
- brilliant green foliage as a rosette
- foliage releases horrible smell with the slightest touch
- typically at higher altitudes in wet places
Prosartes trachycarpa / rough-fruited fairybells
- heart-shaped, clasping leaves with parallel veins
- pendant white flowers with 6 petals/tepals, often obscured by leaves
- round, yellow then orange then red fruits with rough surface in late summer
- moist forest understoreys
Prunella vulgaris / self-heal
- compact spike of tiny purple, mint-like flowers
- upper/lower lips purple and white respectively
- square stems, opposite leaves
Prunus virginiana / western chokecherry
- oval leaves with serrated margins and abrupt taper at tip
- reddish twigs with prominent lenticels
- drooping clumps of white flowers w/ yellow centers in spring
- red to black cherries in fall, up to ½ inch diameter
- leaves turn orange or yellow in fall