Dieteria canescens var. ambigua (B.L.Turner) D.R.Morgan & R.L.Hartm.
Family: Asteraceae
hoary tansyaster
[Machaeranthera canescens var. ambigua B.L. Turner,  more...]
Dieteria canescens var. ambigua image

Annuals, biennials, or short-lived perennials. Stems 1+, ascending to erect, canescent, sometimes sparsely stipitate-glandular; branches ascending. Mid leaf blades lanceolate to linear. Peduncles equaling or longer than involucres. Involucres broadly turbinate, 8-12 mm. Phyllaries in 5-10 series, usually appressed, sometimes spreading, apices densely appressed-hairy, usually eglandular, sometimes sparsely stipitate-glandular, then obscured by appressed hairs. Ray florets pistillate, fertile. Cypselae glabrous or glabrate. 2n = 8.

Flowering Aug-Oct. Grasslands and pine forests; 1300-2600 m; Ariz., Colo., N.Mex.