July

Showing 169–180 of 200 results

Scutellaria galericulata / marsh skullcap
- riparian zones and wetlands
- blue, trumpet shaped (legume) flowers; usually in pairs on same side of a stem
- flowers not at the top of the stems
- square stems, widely spaced opposite leaves; adjacent pairs at right angles
Sedum lanceolatum / lanceleaf stonecrop
- bright yellow, star-shaped flowers (possible red tinge)
- fleshy/succulent, small leaves (green, yellow or red)
- open rocky outcrops, gravelly sites
- drought tolerant
Senecio integerrimus / tall western groundsel
- early spring to early summer, often with larkspur
- bright yellow flower head with several, disheveled looking blossoms
- only 5-13 ray florets (petals)
- cobwebby hairy basal leaves, especially when young
- seasonally moist areas, from sagebrush to higher parts of the fen
Senecio triangularis / arrowleaf ragwort
- leafy stems with arrow-shaped, coarse-toothed leaves
- often in large patches on moist soil
- clusters of yellow flower heads, each with 8-ish untidy ray florets
- numerous green involucral bracts, sometimes with black tips
- largest leaves occur mid-stem
Silene latifolia / white campion
- white, 5-petaled flowers with distinctive inflated calyx (bladder)
- flowers in clusters atop stems
- whole plant densely hairy
- widespread on alkaline soils (e.g. the Valley)
Sisymbrium altissimum / tumble mustard
- inflorescence a raceme with yellow, teeny flowers
- long, thin seed pods (siliques)
- blooms throughout the spring and summer
- shoots look like a bunch of sticks glued together
- dries and breaks off, then tumbles
Solanum physalifolium / ground cherry nightshade
- flowers look like potato or tomato flowers
- small white, 5 recurved petals
- clump of yellow stamens protrude from flower
- triangular leaves with wedge-shaped bases
- usually sprawling on ground
Solidago missouriensis / Missouri goldenrod
- perennial herb, up to 40" tall
- inflorescence is a branching panicle with many (≥200) yellow flower heads
- involucres are ¼ long with 3 or 4 layers of narrow, pointed, hairless, yellow-green bracts
- leaves are thin and lanceolate, upright and rigid with prominent midribs
- upper leaves have pronounced but small teeth
Sonchus arvensis / field sowthistle
- yellow dandelion-like
- multiple flowers per stalk
- often in patches in wet fields
- leaves spiney but without lobes, clasping the stems
- often several stems from a single point at the soil level
Spiraea betulifolia / white spiraea
- short (1-3 feet), dominant shrub in forest understory
- rounded leaves with toothed outer margins
- teeny flowers in flat-topped clusters up to 5" across
- flowers are white with 5 petals and many stamens
Stenotus acaulis / stemless goldenweed
- very short, mat forming perennial yellow "daisy"
- thin, lance-shaped leaves, pointing upward
- yellow flower head with 6-15 ray florets, up to 50 disk florets
- in dry, rocky, open-scrub habitats
Streptopus amplexifolius / white twisted-stalk
- creeping herb
- oval, clasping leaves; parallel veins; sharp tip
- pronounced stem "kink" at each node gives twisted look
- drooping, cream-colored flowers, 6 recurved tepals, borne singly
- single, elongated red berries in fall
- found in moist undergrowth