wetland ecology 3

  1. Image Upload 1Image Upload 2
    • triadenum fraseri
    • fraser's marsh st johnswort
    • OBL
    • pink flowers cluster at top of leafy stem, 30-45cm tall, purplish stems, leaves are opposite entire oblong to egg shaped, very blunt
  2. Image Upload 3Image Upload 4Image Upload 5
    • Utricularia gibba
    • humped bladderwort
    • OBL
    • aquatic herb without roots, slender stems float, submerge, or creep along substrate, alternate threadlike leaves, bladders trap inverts, able to tolerate low nutrient conds
  3. Image Upload 6Image Upload 7Image Upload 8
    • Utricularia vulgaris / macrorhiza
    • common bladderwort
    • OBL
    • submerged, free floating, alternate lacy complex leaves, repeatedly divided into unequal segments until threadlike, horizontally floating, sparsely branched stems often form mats
  4. Image Upload 9Image Upload 10
    • Bidens frondosa
    • devils beggarstick
    • FACW
    • 1-3' tall, compound leaves, 3-5 leaflets, opposite along stem, can be alternate at top, lanceolate, coarsely serrated, some upper stems terminate in a flower, may be 1 or 2 smaller flowers below, yellow flowers
  5. Image Upload 11Image Upload 12Image Upload 13
    • Boehmeria cylindrica
    • small spike false nettle
    • FACW+
    • opposite, simple ovate-lanceolate leaves, pointed at tip, rounded at base, 3 main veins, coarsely toothed, many tiny flowers crowd on slender spikes, stinging hairs absent, 2.5 ft unbranched, smooth, stems,
  6. Image Upload 14Image Upload 15
    • Cephalanthus occidentalis
    • common buttonbush
    • OBL
    • coarse shrub, 6-12' tall, pincushion like flower heads
  7. Image Upload 16Image Upload 17
    • Nuphar lutea
    • yellow pond lilly
    • OBL
    • Mostly submerged, underwater stem can be more than 2 meters, alternate leaves, can reach 16", wavy edges, thin submerged leaves eminate from rooted rhizome, erect floating leaves from stem.
  8. Image Upload 18Image Upload 19Image Upload 20Image Upload 21
    • Peltandra virginica
    • green arrow arum
    • OBL
    • 2-3 ft, large oblong broadly triangular bright green leaves, green wavy margined tapering leaflike spathe curled around a rod like spadix
  9. Image Upload 22Image Upload 23Image Upload 24
    • Schoenoplectus fluviatilis
    • river bullrush
    • OBL
    • emergent sedge, triangular 1/3-3/4" stems, many leaves,
  10. Image Upload 25Image Upload 26
    • Typha angustifolia
    • narrow leaf cattail
    • OBL
    • distinct gap between male and female flowers, found in deeper waters usually >2.5' deep
  11. Image Upload 27Image Upload 28
    • Eleocharis
    • spikerush
    • OBL
    • sedge from matted or creeping rhizomes, unbranched leafless stems end in single erect spikelets, stems 3sided, 4sided, round flattened or grooved
  12. Image Upload 29Image Upload 30
    • Eupatorium perfoliatum
    • common boneset
    • FACW+
    • 2-4' tall, unbranched except for flowering side stems near apex, stem covered in long white hairs, opposite leaves up to 8", light to yellowish green, lanceolate shape perforated by stem, serrate margins, copious network of veins, upper stems terminate clusters of white flowerheads
Card Set
wetland ecology 3
more wetland plants