“…Furthermore, a few imprecise references exist of Z. tubispatha Herb., without indication of herbarium collections (Bailey, 1939;Standley & Steyermark, 1952). From the neighboring countries, nine species have been registered from Peru (Macbryde, 1936;Brako & Zarucchi, 1993), three or four from Panama (Woodson & Schery, 1965;Spencer, 1986;DArcy, 1987), and a single one for both Ecuador and Venezuela (Traub, 1958;Meerow, 1990).…”