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Anthesis of Paphiopedilum villosum. Figure 5. Anthesis of Paphiopedilum villosum. that I have no doubt it acts as an attraction device for potential pollinators. Sparkling, as an enhanced visual attraction is also mentioned in Platanthera stricta Lindl. although in this orchid it is due to reflection and refraction from the epidermis and mesophyll (Patt et al., 1989). Somewhat below the middle of the staminode the greenish to yellowish wart (W, Fig. 6) stands out conspicuously. It is...

Material And Methods

Mountaineering equipment was used for tree climbing and long-term flower surveillance in the canopy. Rope placement on trees was achieved with the help of a powerful bow to shoot a heavy arrow attached to a line over suitable branches. This line, or one or two consecutively stronger ones, was used to draw up the climbing rope. It is a very time consuming technique especially since I nearly always worked alone to protect the sites. Clump height was measured with a line lowered perpendicularly...