Holocarpha

Life-forms

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Madieae
Subtribus: Madiinae
Genus: Holocarpha
Species: H. heermannii – H. macradenia - H. obconica - H. virgata

Source(s) of checklist:

Tropicos.org 2018. Holocarpha. Missouri Botanical Garden. Published on the internet. Accessed: 2018 Feb. 22.

Name

Holocarpha Greene, 1897

Type species: Hemizonia macradenia DC.

References

Edward Lee Greene, Flora Franciscana 4: 426. 1897.

Links

International Plant Names Index. 2018. Holocarpha. Published online. Accessed: Feb. 22 2018.
The Plant List 2013. Holocarpha in The Plant List Version 1.1. Published on the internet. Accessed: 2018 Feb. 22.
Tropicos.org 2018. Holocarpha. Missouri Botanical Garden. Published on the internet. Accessed: 2018 Feb. 22.
Hassler, M. 2018. Holocarpha. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2018 Feb. 22. Reference page.

Holocarpha is a small genus of flowering plants in the daisy family. The genus contains four species of tarweeds, which are all endemic to California.[1]

Description

Holocarpha are glandular, aromatic annual herbs bearing yellow flowers.[2]

Species[3][1]

Holocarpha heermannii - Heermann's tarweed
Holocarpha macradenia - Santa Cruz tarweed
Holocarpha obconica - San Joaquin tarweed
Holocarpha virgata - yellowflower tarweed

Other "tarweeds"

Plants with the same common name, but in a different genus include:

Santa Susana tarweed - Deinandra minthornii - (Asteraceae, endemic state-listed rare species in Simi Hills and nearby ranges) [4]

References

Calflora taxon report, University of California, genus Holocarpha
Flora of North America, Holocarpha Greene, 1897.
The Plant List search for Holocarpha
http://www.calflora.net/bloomingplants/santasusanatarplant.html . accessed 8/30/2010