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Figure 2. Zephyranthes pulchella (yellow), Z. smallii (pale yellow) and Z. 
chlorosolen (white) in Brownsville, Texas. 
The predominant color of the interior of the perianth segments at anthesis is 
significant in distinguishing rain-lilies. The predominant color may be white or 
various degrees of red (usually pink) or yellow. Some form of red (usually pink) is 
often seen in white or yellow species. Generally this secondary red is most 
intense in the bud, fades through the peak of anthesis, and begins to return 
during senescence (Fig. 3). 
Z. aftre/teTraub Z rosea Lindley Z. ctinna Baker 
Z. simpsow Chapman Z aimpaonii Chapman Z s/mpsorw Chapman Z atamasca (L.) Herb 
Figure 3. Examples of predominant colors in Zephyranthes (top) and secondary 
red (usually pink) in white-flowered rain-lilies (bottom). 
The intensity of the predominant color generally declines with the age of the 
flower (Fig. 4). While I was at Blandy Farm, Dr. Flory received from Panama a 
