Aster, Purple - Dieteria canescens

(Hoary Tansyaster)

Plant w/Flowers
Plant w/Seeds

 

The Flowers

 
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Description

"Dieteria canascens (formerly Machaeranthera canescens)[2] is an annual plant or short lived perennial plant in the (daisy family), known by the common names hoary tansyaster and hoary-aster.[3] "Canescens" means "gray-hairy".[4]

Dieteria canascens is a woolly-haired, glandular annual or perennial herb with one or more branching stems sometimes exceeding 100 cm (39 in) in height.[6]

The linear to oblong leaves may reach 10 centimetres (3.9 inches) long near the base of the stems, their edges usually serratedor toothed.

The stems are glandular with short hairs.[3][6]

The inflorescence bears one or more flower heads lined with several layers of pointed, curling or curving phyllaries. The head has a center of many yellow disc florets and a fringe of blue or purple ray florets each 1 to 2 centimeters long. The fruit is an achene around 3 millimeters in length tipped with a pappus of long hairs.[6]

A number of insects can often be found in the flowers.[3]

Uses:

The Zuni people take an infusion the whole plant of subspecies canescens, variety canescens and rub it on the abdomen as an emetic.[7]" (Wikipedia)


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