Symplocarpus


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Symplocarpus

 

a genus of herbaceous plants of the family Araceae. The single species, S. foetidus, is a perennial having a short thickened rhizome. The large basal leaves, which reach a length of 40 cm, are petiolate and cordate or ovate. The small, bisexual, tetramerous flowers are gathered in a spadix surrounded by a dark purple bract. The plant grows in the Soviet Far East (primarily the southern part), Japan, northeastern China, and eastern North America. It is encountered in moist coniferous and mixed forests and in swampy meadows. The entire plant has a strong smell of garlic and is poisonous. Flowering occurs in early spring.

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Symplocarpus foetidus, the dominant species of the shaded seep (IV of 70.2), was occasionally found beneath the taller vegetation in the sunny seep (IV of 4.9).
43 4.05 9.0 Peltandra virginica 23 8.08 8.7 Aster lanceolatus 37 3.42 7.6 Boehmeria cylindrica 30 2.02 5.7 Cicuta maculata 27 2.67 5.6 Symplocarpus foetidus 17 3.60 4.9 Lysimachia nummularia 10 4.67 4.4 Ribes americanum 13 3.50 4.3 Parthenocissus quinquefolia 13 1.38 2.9 Leersia virginica 13 1.12 2.7 Iris shrevei 7 0.52 1.3 Stachys tenuifolia 7 0.20 1.1 Vitis vulpina 3 0.50 0.8 Acer saccharinum 3 0.10 0.6 Cinna arundinacea 3 0.10 0.6 Eupatoriadelphus maculatus 3 0.10 0.6 Fraxinus nigra -- -- -- Alliaria petiolata -- -- -- Smilax tamnoides -- -- -- Antenoron virginianum -- -- -- Acer negundo -- -- -- Thelypteris palustris -- -- -- Celastrus scandens -- -- -- Totals 153.12 200.0 Average bare ground/litter 4.50 Shaded seep Mean Species Freq.
tetanica Monarda fistulosa Dasiphora fruticosa Comandra urnbellata Phlox maculata foribunda Eleocharis elliptica Rudbeckia hirta Epilobium coloratum Hypoxis hirsuta pulcherrima Helianthus giganteus Lithospermum canescens Thalictrum revolution Liatris spicata Senecio aureus Lobelia kalmii Smilacina stellata Physostegia virginiana Symplocarpus foetidus Pilea fontana Zizia aurea Prenanthes racemosa Solidago patula Symphyotrichum oolentangiense
sullivantii, Solidago patula, and Symplocarpus foetidus.
In the southwestern corner and southern end of the study area, there is a large seep and lower quality fen that is dominated by Carex stricta, Impatiens capensis, Symphyotrichum puniceum, Thelypteris palustris, Solidago patula, Symplocarpus foetidus, Eupatoriadelphus maculatus, and Cardamine bulbosa.
The seeps are dominated primarily by Symplocarpus foetidus.
Symplocarpus foetidus (L.) Nutt.: (+); Skunk Cabbage; frequent; seeps and floodplain; BSUH 12142.
The soft, mucky organic soil is occupied almost exclusively by Symplocarpus foetidus (skunk cabbage).
37, 0.93, 7 -- -- Spiraea tomentosa -- 7, 0.21, 1 7, 0.37, 1 Symplocarpus Foetidus 3.0, 17, 1 -- -- Thelypteris palustris 13, 0.57, 3 45, 6, 10 81, 8, 12 Taxicodendron radicans -- -- 4, 0.04 <1 Toxicodendron vernix -- -- -- Trientalis borealis -- -- -- Triglochin maritima -- -- -- Typha sp(p).
recurvatus, Symplocarpus foetidus, Valeriana pauciflora, and Valerianella umbilicata.