Sicyos semitonsus H.St.John (1970:453)
Wild bur-cucumber, Laysan bur cucumber
Taxonomy & Nomenclature
Synonym/s: Cladocarpa semitonsa (H.St.John) H.St.John in Bot. Jahrb. Syst. 99: 491 (1978)
Conservation Status
Missing (NatureServe, 2026)
Last (and only) record: 1964 (NatureServe, 2026)
Distribution & Habitat
Laysan, Hawaiian Islands, USA
POWO (2026) states Lanai but this is presumably in error.
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Kartesz, J. T. (1994). A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
NatureServe. (2026). Sicyos semitonsus: Wild Bur-cucumber. NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available at: https://explorer.natureserve.org/ [Accessed on 19 August 2026]
POWO. (2026). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 19 August 2026]
Wagner, Warren L., Herbst, D. R. and Sohmer, S. H. (1999). Manual of the Flowering Plants of Hawaiʹi, revised edition. Honolulu, HI: University of Hawaii Press and Bishop Museum Press. 1853 pp.