''Eucephalus gormanii'' is a North American species of flowering plant in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

known by the common name Gorman’s aster. It grows on rocky slopes and on cliffs at high elevations in the Cascade Mountains of the US State of

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

. ''Eucephalus gormanii'' is a perennial herb up to 40 cm (16 inches) tall, with short rhizomes and a woody

caudex A caudex (plural: caudices) of a plant is a stem, but the term is also used to mean a rootstock and particularly a basal stem structure from which new growth arises.pages 456 and 695 In the strict sense of the term, meaning a stem, "caudex" is m ...

. Stems are hairless. One plant will usually produce 2-5

flower heads A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...

per stem. Each head has 5-13 white ray florets surrounding numerous yellow

disc floret The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

s.Piper, Charles Vancouver 1916. Proceedings of the Biological Society of Washington 29(23): 101
as ''Eucephalus gormani''

References

{{Taxonbar, from=Q15597055 Astereae Flora of Oregon Plants described in 1916 Flora without expected TNC conservation status Endemic flora of Oregon Endemic flora of the United States