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Cuscuta howelliana Rubtzoff, Leafl. W. Bot. 10:335. 1966 Type: From isotype at GH: U.S.A. California. Lake Co.: Boggs Lake, open dry margin of the lake, inundated in winter, 20 Aug 1966, Rubtzoff & Arnaud 5792 (the holotype is at CAS, more isotypes at: CAS, OSC, and UC).              Want to know more about its taxonomy?            Want to know more about its phylogeny?      W

can you tell the difference betwen the parasite and the host?
Eryngium flower (above) and primordium of Cuscuta (below)
can you tell the difference betwen the parasite and the host?
Eryngium flower (left) and primordium of Cuscuta (right)
corolla lobes
corolla lobes
corolla, 3D
calyx, dissected
seeds
gynoecium
capsule
Cuscuta howelliana cymes embedded in the Eryngium inflorescence
Cuscuta primordium originating from the hosts' inlorescence receptacle
bract & calyx
corolla, dissected
flower
infrastaminal scales
bracts in the Eryngium inflorescence (this is how you tell them apart!)
calyx, dissected
calyx lobes

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