Ipomopsis aggregata

Ipomopsis aggregata (Polemoniaceae) is one of a profusion of wildflowers that occur in dry meadows at the Rocky Mountain Biological Laboratory in Gothic, Colorado. It flowers from late June into August, and is visited and pollinated primarily by migrating Broad-tail and Rufous hummingbirds.

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My PUBLICATIONS involving Ipomopsis aggregata:

1997. Brody, AK, RJ Mitchell. Effects of experimental manipulation of inflorescence size in the hummingbird pollinated plant Ipomopsis aggregata. Oecologia 110:86-93

1994. Mitchell, RJ. Effects of floral traits, pollinator visitation and plant size on Ipomopsis aggregata fruit production. American Naturalist 143:870-889

1993. Mitchell, RJ. Adaptive significance of Ipomopsis aggregata nectar production: observation and experiment in the field. Evolution 47:25-35.

1993. Mitchell, RJ. Path analysis: pollination. In SM Scheiner and J Gurevitch, eds. Design and Analysis of Ecological Experiments, pp 211-231. Chapman and Hall.

1992. Mitchell, RJ. Testing evolutionary and ecological hypotheses using path analysis and structural equation modeling. Functional Ecology 6:123-129.

1992. Mitchell, RJ & NM Waser. Adaptive significance of Ipomopsis aggregata nectar production: iabirdpollination success of single flowers. Ecology 73:633-638.

1991. Campbell, DC, NM Waser, MV Price, EA Lynch, RJ Mitchell. Components of phenotypic selection: pollen export and corolla width in Ipomopsis aggregata. Evolution 45:1458-1467.

1988. Ellstrand, NC & RJ Mitchell. Spatial and temporal patterns of floral inconstancy in plants and populations of Ipomopsis aggregata (Polemoniaceae). Botanical Gazette 149:209212.

Links:

Ipomopsis at the Native plants of Arizona website (Northern Arizona University)