Polemoniaceae
©The 
World Botanical Associates Web Page
Prepared by Richard W. Spjut
August 2005, updated Dec. 2005
| 
      Ipomopsis aggregata | Ipomopsis aggregata | 
| Rocky Mountains, Colorado. 
      August1979. Pick-up load (recollection) of scarlet gilia collected by 
      Richard Spjut in Colorado for isolation of antitumor agents. Ipomopsis tenuituba Nevada. Humboldt-Toiyabe NF: Mountain City District: west slopes of Independence Range, Jack Creek along FR Rd 732; 41º31.039, 116º03.419, 6500 ft. Riparian aspen and willow (75%), and elderberry (25%) community along creek with with high density (100%) stands of Veratrum californicum bordered by open meadows with sedges, grasses, Dasiphora fruticosa. 27 July 2010 
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      Ipomopsis longiflora 
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| Arisawa M., S. Funayama, J. M. Pezzuto, A. D. Kinghorn, G. A. Cordell and N. R.. Farnsworth. 1984. Potential anticancer agents XXXII. Hydroquinone from Ipomopsis aggregata. J. Nat. Prod. 47(2): 393–394. 
      Arisawa M.,  S. 
      Funayama, J. M. Pezzuto, A. D. Kinghorn, G. A. Cordell and N. R.. 
      Farnsworth.  1984. 
      Plant 
      anticancer agents. XXX: Cucurbitacins from Ipomopsis aggregata (Polemoniaceae).  
      J. Pharm. Sci. 73(3): 411–413.  “Isocucurbitacin B (I), 
      3-epi-isocucurbitacin B (II), and cucurbitacin B (III) were identified as 
      the principal cytotoxic constituents of Ipomopsis aggregata (Pursh) 
      V. Grant (Polemoniaceae). The structure of the new compound, II, was 
      determined through analysis of its spectrometric characteristics.” | |