[The Geranium Family in the Columbia River Gorge of Oregon and Washington]

Geraniums of the Columbia River Gorge of Oregon and Washington

The Genus Geranium

Rydberg's Geranium, Sticky Purple Geranium: Geranium viscosissimum var. incisum (Synonyms: Geranium canum, Geranium nervosum, Geranium strigosius, Geranium strigosum, Geranium viscosissimum ssp. nervosum, Geranium viscosissimum var. nervosum)

Rydberg's Geranium: Geranium viscosissimum var. incisum

Bicknell's Geranium: Geranium bicknellii (Synonyms: Geranium bicknellii var. longipes, Geranium carolinianum var. longipes, Geranium nemorale, Geranium nemorale var. bicknellii) - Leaves 2-7 cm broad with the main divisions cut or cleft into lanceolate or oblong segments. Petals rose-purple, less than 7mm long, about equaling the sepals in length.

Carolina Geranium: Geranium carolinianum (Synonyms: Geranium carolinianum var. carolinianum, Geranium carolinianum var. confertiflorum, Geranium carolinianum var. sphaerospermum, Geranium sphaerospermum) - Leaf blades 2-7 cm broad, 5-9 parted with the primary divisions deeply divided into linear segments. Flowers purple with each petal 7-11 mm long, hardly longer than the sepals.

Longstalk Cranesbill, Long-stalked Geranium, Long-stalk Crane's-bill: Geranium columbinum - Flowers pink, five petalled, 7-11 mm wide. Calyx glandular-pilose.

Cutleaf Geranium, Cut-leaf Crane's-bill, Cutleaf Geranium, Cut-leaf Geranium: Geranium dissectum (Synonym: Geranium laxum) - Leaves 5-7 parted, segments deeply cleft into usually curved sections. Flowers are purple with petals less than 7 mm long.

Dovefoot Geranium, Dove's Foot Geranium: Geranium molle - Small wildflower to 8 inches. Flowers small, pink, with notches at the tip of each petal. Leaves simple-palmate. Pistil develops into a shorter, thicker, needle-like seed pod.

Small-flower Crane's-bill, Small-flowered Crane's-bill, Small Geranium: Geranium pusillum -

Herb Robert, Robert Geranium, Stinky Bob: Geranium robertianum - Wildflower to one foot tall. Leaves compound palmate, light green, somewhat parsley-like but smaller. Leaves and stems lightly hairy. Flowers pink, five petalled,the petals 5-11 mm long. Calyx glandular-pilose.

Rydberg's Geranium, Sticky Purple Geranium: Geranium viscosissimum var. incisum (Synonyms: Geranium canum, Geranium nervosum, Geranium strigosius, Geranium strigosum, Geranium viscosissimum ssp. nervosum, Geranium viscosissimum var. nervosum)

Sticky Geranium, Sticky Purple Geranium: Geranium viscosissimum var. viscosissimum (Synonym: Geranium attenuilobum) - Its range comes close to the Columbia River Gorge with its appearance in the mid-Klickitat River drainage. It is unclear at this time how far down the Klickitat River this species comes. Richardson's geranium (Geranium richardsonii) may also be found in this region.


Paul Slichter E-mail