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Helianthus (maximiliani)

Carol and Jerry Baskin
University of Kentucky
University of Kentucky
Lexington, Kentucky 40506-0225

Family Scientific Name: Asteraceae
Family Common Name: Sunflower family
Scientific Name: Helianthus maximiliani Schrad.
Common Name: Maximillian's sunflower
Species Code: HELMAX
General Distribution: H. maximillianii is found from southern Cananda to Miane, south to North Carolina and west to the Rocky mountains to Texas. It is introduced elsewhere.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Time To Grow: 0
Propagule Processing: Seeds exhibit physiological dormancy.
Pre-Planting Treatments: Seeds are placed in cold moist stratification for 56 days.
Germination occurs at 30D/15N C alternating temperature cycle. Germination was equal in light and dark.
References: Baskin et al.Table10.22 In: Baskin, C.J. and Baskin, J.M. Seeds: Ecology, Biogeography and Evolution in Dormancy and Germination, Academic Press, 1998. Chapter 10: A Geographical Perspective on Germination Ecology: Temperate and Arctic Zones, pages 331 to 458.


Baskin, Jerry M.; Baskin, Carol C.. 2002. Propagation protocol for production of Container (plug) Helianthus maximiliani Schrad. plants University of Kentucky Lexington, Kentucky. In: Native Plant Network. URL: http://NativePlantNetwork.org (accessed 2021/05/11). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.

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