Systematics of Amsinckiinae (Boraginaceae): The Popcorn Flowers
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Johnstonella Brand Repert. Spec. Nov. Regni Veg. 21: 249 (1925) |
Pronunciation/Pronunciación: |
John-sto-nél-la |
Etymology/Etimología: |
after Ivan M. Johnston, authority on Boraginaceae, 1898-1960 |
Synonyms/Sinónimos: |
Crypantha Lehmann ex. G.Don, Gen. Hist. 4(1): 373 (1837) |
Type Species/EspeciesTipo: |
Johnstonella racemosa Brand, Repert. Spec. Nov. Regni Veg. 21: 249 (1925); see Simpson et al. 2014 |
Recent new combinations in Johnstonella: Simpson, Mabry, and Hasenstab. 2019. Phytotaxa 425: 279–289.
Distribution of Johnstonella:
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Prepared by: Kartesz, J.T., The Biota of North America Program (BONAP). 2012. North American Plant Atlas (http://www.bonap.org/MapSwitchboard.html).
COLOR KEY: Dark green=highest concentration of species; Light yellow-green=lowest concentration of species. NOTE: Center of diversity is in Baja California, Mexico.
RIGHT: GBIF. 2017. Global Biodiversity Information Facility. http://www.gbif.org. Accessed 21 Dec 2019.
Phylogeny of Johnstonella:
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Nomenclature updated, according to Simpson et al. 2019.
Cryptantha texana not transferred to Johnstonella; needs further study.
TOTAL NUMBER OF TAXA IN GENUS: 17 species/especies 19 minimum ranked taxa/taxones clasificados mínimos * =South America/Sudamericano ** =North and South America/Norteamericana y Sudamericano Tentative Proposed Series |
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California Native Plant Society (CNPS) Inventory Listings:
| 1A = Plants presumed extirpated in California and either rare or extinct elsewhere 1B = Plants rare, threatened, or endangered in California and elsewhere 2A = Plants presumed extirpated in California but common elsewhere 2B = Plants rare, threatened, or endangered in California but common elsewhere 3 = Plants about which more information is needed, a review list 4 = Plants of limited distribution, a watch list .1 = Seriously threatened in California — Over 80% of occurrences threatened / high degree and immediacy of threat .2 = Moderately threatened in California — 20-80% of occurrences threatened / moderate degree and immediacy of threat .3 = Not very threatened in California — Less than 20% of occurrences threatened / low degree and immediacy of threat or no current threats known |
KEY TO JOHSTONELLA TAXA/LLAVE A TAXONES DE JOHNSTONELLA
CHROMOSOME NUMBERS OF AMSINCKIINAE, including Johnstonella Brand, A. 1925. Drei neue Gattungen dar Cryptantheae. Repertorium Specierum Novarum Regni Vegetabilis 21:249-254.
LITERATURE CITED:
Hasenstab-Lehman, K. E. and M. G. Simpson. 2012. Cat’s eyes and popcorn flowers: Phylogenetic systematics of the genus Cryptantha s.l. (Boraginaceae). Systematic Botany 37:738–757.
Hinton, G. S. and G. L. Nesom. 2021. A new Johnstonella species (Boraginaceae) from Coahuila. Phytoneuron 2021-14:1-6.
Mabry, M. E. and M. G. Simpson. 2018. Evaluating the monophyly and biogeography of Cryptantha (Boraginaceae). Systematic Botany 43:53-76.
Simpson, M. G., K. Hasenstab-Lehman, and R. B. Kelley. 2014. Typification of the name Johnstonella (Boraginaceae). Taxon 63:930-931.
Simpson, M. G., C. M. Guilliams, K. E. Hasenstab-Lehman, M. E. Mabry, and L. Ripma. 2017. Phylogeny of the popcorn flowers: Use of genome skimming to evaluate monophyly
and interrelationships in subtribe Amsinckiinae (Boraginaceae). Taxon 66:1406–1420.
Simpson, M. G., M. E. Mabry, and K. Hasenstab-Lehman. 2019. Transfer of four species of Cryptantha to the genus Johnstonella (Boraginaceae). Phytotaxa 425:279–289.
Simpson, M. G., K. Hasenstab-Lehman, M. Mabry, and M. Muñoz. 2022. Johnstonella punensis (Boraginaceae), a new species endemic to the dry Puna of Chile.
PhytoKeys 197:149–164. https://doi.org/10.3897/phytokeys.197.84833
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