late summer

Showing 73–84 of 134 results

Hypericum perforatum / St. John’s wort
- bright yellow, 5-petaled flowers
- many stamens sticking out every which way
- sizable black and/or white glands on leaves and petals
- waist high and grows in large colonies (invasive)
- not (yet) seen west of the Tetons
Iliamna rivularis / streambank globemallow
- showy, pink flowers, sometimes rose or nearly white
- tall, up to 6 feet
- large, broadly "heart-shaped" leaves with big, triangular lobes
Lactuca serriola / prickly lettuce
- numerous dime-sized yellow flowers in an "airy" panicle
- buds droop or hang in a "shepherd's hook" before opening
- seed heads are dandelion-like, but more delicate
- highly divided, prickly leaves
- mostly in "waste" areas
Ligusticum filicinum / fern-leaf licorice root
- found at higher altitudes in moister, forest areas
- compound umbel with white flowers in comparatively widely spaced umbellets
- large, very finely divided leaves; leaflets long and thin - "fern-like"
Linaria vulgaris / yellow toadflax
- fine, threadlike leaves, plants up to 3 feet tall
- flowers similar to snapdragon, pale yellow with orange lower lip, long spur
- flowers in tight terminal clusters
- plants typically in patches
- "noxious" weed in Idaho
Lupinus spp. / silvery and silky lupins
- palmately compound, usually silvery-green leaves
- 5-9 leaflets per leaf; long petioles
- flowers on long, spikey racemes, blooming from bottom upward
- numerous flowers, but all rather teeny; most purple or blue
- flowers are above the leaves
- seeds in short, hairy pods
Madia glomerata / mountain tarweed
- stems, leaves, flowers - strongly aromatic, like tar
- sticky glandular hairs cover foliage and floral bracts
- flowers in clusters with 1 to 3 yellow ray florets
- disk florets retain visible petals; black stamens
Medicago lupulina / black medic
- prostrate, long creeping stems
- compound leaves with 3 small, rounded leaflets
- teeny yellow flowers in very small button-like clusters
- disturbed areas with compacted soil - roadsides & wastelands
Medicago sativa / alfalfa
- escaped forage plant
- bright purple flowers in dense clusters
- pea-like flowers with broad upper petal, 2 small laterals, keel
- compound leaves with 3 leaflets, the central one extended on a short stalk
- disturbed sites - roadsides, full sun
Melilotus spp / sweetclover
- yellow or white, floppy, tubular flowers in long-ish clusters (racemes)
- 3 small, pointy leaflets with petioles
- rangy, unkempt branching
- roadsides, waste places and sometimes in fields, grasslands
Mentha canadensis / American cornmint
- crushed leaves smell like peppermint
- clusters of teeny white-blue-pink flowers in the axils of stem leaves
- square stems, lance-shaped leaves
- shaded, moist areas
- may form large clones
Mertensia ciliata / mountain bluebells
- taller than others bluebells - up to four feet
- often forms dense stands by streams and seeps
- flowers dark blue, bell-shaped, held on one side of stem
- leaves blue-green, pointed, with prominent veins, marginal pointy hairs