Seed production and seedling establishment in the mayapple, Podophyllum peltatum
Several conclusions relative to the shoot apex of Podophyllum peltatum
and the affect of the seasonal cycle upon the apical meristem can be drawn from this investigation:
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.
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.
Many of the forbs occurring in this cemetery were woodland species, including Ageratina altissima, Campanulastrum americanum, Cryptotaenia canadensis, Geranium maculatum, Osmorhiza longistylis, Phryma leptostachya, Podophyllum peltatum
and Symphyotrichum cordifolium (sagittifolium).
was used by the Penobscot Indians to treat cancer.
0 0, 0, 0 Ostrya virginica 0, 0, 0 0, 0, + Oxalis stricta 0, 0, 0 +, +, 0 Parthenocissus quinquefolia +, 1, + 2, 2, + Podophyllum peltatum
+, 0, 0 3, 0, 0 Polygonatum biflorum 0, 0, 0 1, +, 0 Polygonum sp.
2000 (1) Podophyllotoxin is a lignan isolated from Podophyllum peltatum
(2) Camptothecin is an alkaloid isolated from Camptotheca acuminata Table 5 Rank of natural products that present activity in ovarian neoplasias.
Seasonal studies of two plant species, Podophyllum peltatum
and Arisaema triphyllum were carried out.
Seasonal studies of three plant species Podophyllum peltatum
, Arisaema triphyllum and Tipularia discolor were carried out.