disturbed

Showing 85–94 of 94 results

  • Tanacetum vulgare / tansy

    • yellow, somewhat flattened, button-like flowers
    • pretty clearly in the aster family
    • camphor-ish smell
    • finely divided, fern-like compound leaves

  • Taraxacum officinale / dandelion

    • rosette growth habit with lobed leaves
    • yellow dandelion-like flowers - composites with only ray florets
    • only one flower head per stem
    • characteristic puff-ball seedheads
    • found anywhere and anytime

  • Taraxia tanacetifolia / tansyleaf evening primrose

    • single, sessile, bright yellow, cup shaped flowers; 4 petals
    • grows as a rosette, flat to the ground
    • leaves are up to 12 inches long; very deeply lobed
    • still blooming in mid-October; starts in mid summer
    • grows on sandy/gravelly soil, e.g. drying lake beds

  • Thlaspi arvense / field pennycress

    • inflorescence a raceme with white, teeny flowers
    • oval seed pods ca. 1/3" across
    • blooms late spring and summer
    • continues blooming as pods fill from older flowers
    • common weed in disturbed habitats including cultivated land

  • Tripleurospermum inodorum / scentless chamomile

    • daisy-like blossoms with finely divided leaves
    • central disk shape changes from button- to dome- to hemisphere- with age
    • ray petals droop as disk expands
    • leaves don't smell when crushed

  • Turritis glabra / tower mustard

    • long (3"-ish) stick-like seedpods, erect and hugging the stem
    • nondescript mustard-family 4 petalled flowers in a cluster at the top
    • tall stem with leaves clasping the stem (no petioles)
    • generally in exposed, dry habitats

  • Urtica dioica / stinging nettle

    • near streams and moist bogs, in woodland understories, disturbed places, wastelands
    • leaves - strongly serrated margin, a heart-shaped base, a pointed tip
    • flower - greenish or brownish in dense dangling clusters
    • nasty hairs that sting you

  • Valeriana sitchensis / Sitka valerian

    • rhizomatous perennial - possibly in large colonies
    • sizable head of small white flowers; 5 petals
    • stamens extend beyond petals
    • leaves opposite, deeply lobed (almost compound)

  • Verbascum thapsus / mullein

    • rosette of large, soft, hairy leaves
    • small yellow flowers densely packed on a very tall spike
    • persistent ugly brown spike after flowering is done
    • often on otherwise bare ground

  • Wyethia amplexicaulis / yellow mules ear

    • blooms in late June, July
    • large yellow sunflower-like central flower, smaller additional flowers
    • long, shiny, not-hairy leaves - like green mule's ears
    • strongly aromatic
    • may cover acres, almost as a monoculture
    • crunchy in the fall

Showing 85–94 of 94 results