Compilation
Dieteria sessiliflora

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Name

Identification
Machaeranthera canescens (Pursh) A.Gray [family ASTERACEAE ] (stored under name); Verified by A.G.Jones, Dieteria sessiliflora Nutt. [family ASTERACEAE ] Verified by A.G.Jones,
Related name
  • Dieteria sessiliflora
  • Machaeranthera canescens
  • Dieteria viscosa
  • Dieteria spinulosa
  • Dieteria coronopifolia
  • Aster spinulosus

Flora

Entry for Dieteria canescens (Pursh) Nuttall var. sessiliflora (Nuttall) D. R. Morgan & R. L. Hartman [family ]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Dieteria canescens (Pursh) Nuttall var. sessiliflora (Nuttall) D. R. Morgan & R. L. Hartman [family ], Sida, 20: 1396. 2003
Dieteria sessiliflora Nuttall [family ], Trans. Amer. Philos. Soc., n. s., 7: 301. 1840
Machaeranthera canescens (Pursh) A. Gray var. sessiliflora (Nuttall) B. L. Turner [family COMPOSITAE]
Machaeranthera sessiliflora (Nuttall) Greene [family COMPOSITAE]
Treatment Author(s)
David R. Morgan
Information
Annuals, biennials, or short-lived perennials. Stems 1+, erect, canescent, usually gland-dotted; branches ascending. Mid leaf blades linear-lanceolate to linear. Peduncles 0 (heads sessile) or shorter than involucres. Involucres narrowly to broadly turbinate, 6–10(–12) mm. Phyllaries in 4–7 series, spreading to reflexed, apices often canescent, stipitate-glandular. Ray florets pistillate, fertile. Cypselae sparsely to moderately appressed-hairy.
Phenology
aug (summer), sep-oct (fall)
Altitude range
600–1800 m;
Distribution
USA Idaho.
Discussion
Variety sessiliflora is known only along the Snake River and its tributaries.

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