Polaskia chichipe
National Institutes of Health
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Five new oleanane-type saponins 1–5 together with a known saponin 6 and a steroidal glycoside 7 were isolated from Polaskia…
Floral nectaries are essential for plant reproduction. Their position and shape are important because these factors determine the…
Succulent cacti are remarkable plants with capabilities to withstand long periods of drought. However, their adult success is…
1 Abstract. The effect of different combinations of chemical scarification, soaking and substrates (ex vitro and in vitro) on…