Ipomopsis

 Polemoniaceae

©The World Botanical Associates Web Page
Prepared by Richard W. Spjut
August 2005, updated Dec. 2005

Ipomopsis aggregata
scarlet gilia
Marble Mts Wilderness, CA
Open red fir-mountain hemlock
forest along ridge, trail
from Haypress Meadows
to One-Mile Lake
July 2004

Ipomopsis aggregata
Humboldt Toiyabe NF,
Jarbidge Rd, NV
June 2005

Ipomopsis aggregata

Rocky Mountains, Colorado. August1979. Pick-up load (recollection) of scarlet gilia collected by Richard Spjut in Colorado for isolation of antitumor agents.
Spjut 5500 (PR-53016)

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

 

Ipomopsis longiflora
Hidalgo Co. NM, Oct 2007

 

   

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.