Dieteria canescens var. sessiliflora
Sida 20: 1396. 2003.
Basionym: Dieteria sessiliflora Nuttall Trans. Amer. Philos. Soc., n. s. 7: 301. 1840
Synonyms: Machaeranthera canescens var. sessiliflora (Nuttall) B. L. Turner Machaeranthera sessiliflora (Nuttall) Greene
Revision as of 19:31, 16 December 2019 by FNA>Volume Importer
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: Flowering Aug–Oct.
Habitat: Flats, canyon slopes
Elevation: 600–1800 m
Discussion
Variety sessiliflora is known only along the Snake River and its tributaries.
Selected References
None.
Lower Taxa
None.