Isotype of Hemizonia congestaDC. [family ASTERACEAE ] (stored under name); Verified by Not on sheet,
Related name
Hemizonia congesta
Hemizonia leucocephala
Hemizonia multicaulis
Common name
Hayfield tarweed, Flora of North America Vol. 21
Flora
Entry for Hemizonia congesta de Candolle [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 21,
Names
Hemizonia congestade Candolle [family COMPOSITAE], in A. P. de Candolle and A. L. P. P. de Candolle, Prodr., 5: 692. 1836
Treatment Author(s)
Bruce G. Baldwin
John L. Strother
Information
Leaf blades 50–175+ × 2–8(–12+) mm. Involucres hemispheric to ± urceolate or globose, 3.5–12 × 3–8+ mm. Ray laminae 5–12 mm. Disc corollas 2.5–3.5 mm. Cypselae black, 2–3.5 mm.
