curlycup gumweed (OSMP Seed Collection)

curlycup gumweed

Grindelia squarrosa

Collection Season ²

Summary ³

Grindelia squarrosa, also known as a curly-top gumweed or curlycup gumweed, is a small North American biennial or short-lived perennial plant. Curlycup gumweed averaged 1 to 3 feet high with numerous branching stems. Leaves are 1 to 4 inches long with entire to serrate or even somewhat lobed margins. Flowerheads are yellow and involucural bracts are highly resinous.

Uses ²

Curlycup gumweed is highly attractive to native bees. Its drought tolerance and late-season flowering make it especially valuable for CRP an dother range plantings in the arid west where late-blooming forbs are limited. It has little forage value to livestock making it a grazing resistant species in pastures.

Seed Collection and Processing ²

Seeds can be collected by beating the seeds off the plant of by clipping the flowerheads. Seeds can be sieved and air-screened. Seeds can be placed in a freezer for 24 hours to help eliminate seed eating insects.

Probable Locations ²

It is very commonly found in disturbed roadsides, open fields and in poorly managed pastures and rangelands.

Fontes e Créditos

(c) Matt Lavin, alguns direitos reservados (CC BY-SA), http://www.flickr.com/photos/35478170@N08/3478033983
(c) skramer16, alguns direitos reservados (CC BY-SA)
Adaptado por skramer16 de uma obra de (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Grindelia_squarrosa

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