Heteroblasty and preformation in mayapple,
Podophyllum peltatum (Berberidaceae): Developmental flexibility and morphological constraint.
The apex of
Podophyllum peltatum can be described as a dome of medium size and exhibiting an internal structure not unlike that of other angiosperm apices.
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Podophyllum Peltatum: With vomiting and gagging or empty retching.
Unique fenced treatment species, such as Michigan lily (Lilium michiganense), showy orchis (Orchis spectabilis), and may-apple (
Podophyllum peltatum) had a higher mean C than did unique browsed treatment species, which also included more non-natives.
Physiological integration for carbon in mayapple (
Podophyllum peltatum), a clonal perennial herb.
Podophyllum peltatum L.--FPW, MSW; Common; C = 3; BSUH 19418.
Podophyllotoxin from
Podophyllum peltatum is too toxic for cancer treatment, but served as lead compound for the semi-synthetic derivatives, etoposide and temposide which belong to the standard armatory of chemotherapeutics in clinical oncology.
9 7.3 Prunus serotina 6 7.1 Shrub Layer Frangula alnus 13 26.0 Viburnum dentatum 8 19.3 Ulmus americana--saplings 3 6.4 Herb Layer Frangula alnus--seedlings 7 8.1 Rhamnus cathartica--seedlings 3 3.9 Toxicodendron radicans 1 3.2 Mixed Hardwood Forest--7 plots Tree Layer Ostrya virginiana 7 22.4 Fagus grandifolia 4 21.3 Fraxinus americana 4 11.9 Shrub Layer Fagus grandiJblia--saplings 3 3.1 Carya cordiformis--saplings 2 2.9 Ulmus americana--saplings 1 2.9 Herb Layer Toxicodendron radicans 3 20.0
Podophyllum peltatum 2 2.4 Potentilla simplex 1 1.4 TABLE 2 List of invasive species present at Shaker Median Park.
angustata, Ptelea trifoliata, and
Podophyllum peltatum).
Laverty (1992) similarly found an increase in fruit set in the nectarless mayapple (
Podophyllum peltatum) when it was in proximity of nectar-producing lousewort (Pedicularis canadensis).
Potential for the loss of self-incompatibility in pollen-limited populations of mayapple (
Podophyllum peltatum).
Several workers have reported the use of endophytes for the production of pacitaxel, camptothecin, podophyllotoxin, hypericin, and gentiopicrin isolated from the hosts Taxus cuspidata, Nothapodytes foe tida/Campto theca acuminata,
Podophyllum peltatum, Hypericum perforatum, and Gentiana macrophylia, respectively, although there are no reports of successful industrial scale-ups (Zhao et al.
Groundcover plants included Angelica sp., Trillium sp., May-apple (
Podophyllum peltatum), ferns (Thelypteris sp.), jewelweed (Impatiens pallida), stinging nettle (Urtica sp.) and violets (Viola sp.).
In the understory of deciduous forests in Ontario, Laverty and Plowright (1988) recorded enhanced fruit and seed set in mayapples (
Podophyllum peltatum) that were associated with lousewort (Pedicularis canadensis) than in those far from lousewort.
Podophyllum peltatum L.; May-apple; Woodlands; Abundant and widespread; C = 3; BSUH 17835.
