Wild Florida Photo - Silphium asteriscus

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Silphium asteriscus

STARRY ROSINWEED

SOUTHERN ROSINWEED

Florida native

 

An occasional wildflower of flatwoods along the west coast of the Florida peninsula south into Lee County and north through the central panhandle and some western panhandle counties. The range extends throughout the southeastern United States, west into Texas and Oklahoma, north into Illinois and Indiana and northeast into Maryland.
A perennial usually less than a meter (3ft.) tall, with leafy, hairy stems. Leaves are highly variable in size, shape and arrangement. The well developed stem leaves have toothed margins and are rough to the touch. The flower disks and rays are both yellow and they bloom from summer into fall. The rays have toothed tips and the involucre bracts (phyllaries) are large and arranged in two to three series.
Rosinweeds produce seed from the ray flowers as opposed to sunflowers that produce seed from the disk flowers.

View online purchase options for Flower Behind The Flower by Paul Rebmann

 
Silphium asteriscus is a member of the Asteraceae - Aster family.
 

Native Florida Plants

  Robert G. Haehle; Joan Brookwell
 Low Maintenance Landscaping and Gardening

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Native Florida Plants
Native landscapes are easier to maintain, use less water and thrive without chemical pesticides and fertilizers. Native Florida Plants describes every type of regional flora—-from seaside foliage and wildflowers to grassy meadows, shrubs, vines, and aquatic gardens—-in 301 profiles and accompanying color photographs.


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