Hymenoxys texana Cockerell (1904:499)

Prairie dawn, Texas prairie dawn-flower, Texas bitterweed

Taxonomy & Nomenclature

Synonyms: Actinella texana J.M.Coult. & Rose in Bot. Gaz. 16: 27 (1891); Picradenia texana Greene in Pittonia 3: 273 (1898); Actinea texana (J.M.Coult. & Rose) Cory in Rhodora 38: 408 (1936)

Conservation Status

Last record (disputed): 1889-1890 (Li & Adair, 1997:124) or 1900 (Ripley, 1975:40)

Rediscovered in: 1981 (Mahler, 1983; Li & Adair, 1997:124)

Distribution

Gulf Coastal Plain, Texas

Biology & Ecology

Hypodigm

Media

References

Ayensu, E.S. & Defilipps, R.A. (1978). Endangered and Threatened Plants of the United States: 1-403. Smithsonian Institution and WWF-US, Washington DC.

Humphreys, Aelys M., Govaerts, Rafaël, Ficinski, Sarah Z., Lughadha, Eimear Nic and Vorontsova, Maria S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. https://doi.org/10.1038/s41559-019-0906-2 [Supplementary Dataset 1]

Li, Shiyou and Adair, Kent T. (1997). Species Pools of Seed Plants in Eastern Asia and North America. Nacogdoches, Texas: AIthur Temple College of Forestry. [chapter 8: Species extinction, pp. 121-131]

Mahler, W. F. (1983). Rediscovery of Hymenoxys texana and notes on two other Texas endemics. SIDA 10(1): 87-92. [Abstract]

POWO. (2025). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 23 March 2025]

Ripley, S. Dillon. (1975). Report on endangered and threatened species of the United States. House Document 94-51: 1-200 [40].

Roskov Y. et al. (eds.). (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

http://www.centerforplantconservation.org/collection/cpc_viewprofile.asp?CPCNum=2296

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