Johnstonella grayi

Johnstonella grayi (Vasey & Rose) Hasenstab & M.G.Simpson

Syst. Bot. 37(3): 754. 2012

[Johnstonella HOME / INICIO]

Pronunciation/Pronunciación:
 John-sto-nél-la grày-i
Etymology/Etimología:
 after Asa "Gray," American botanist, 1810-1888
Synonyms/Sinónimos:

 Krynitzkia grayi Vasey & Rose, Proc. U. S. Natl. Mus. 1888, 11: 536. 1889. (Basionym)
Cryptantha grayi (Vasey & Rose) J. F. Macbride, Contr. Gray Herb. 48: 43. 1916
Type/Tipo:


 E. Palmer 801, 6-15 Mar 1889, MEXICO: Baja California [Sur]: Lagoon Head.
HOLOTYPE: NY00335471
ISOTYPES: GH00096296; K000478228, UC24683.

Treatment from: Johnston, I. M. 1925. Cryptantha grayi. In: The North American species of Cryptantha. Pp. 39-40. Cambridge, Massachusetts.


Distribution of Johnstonella grayi (all 3 varieties)
[Click to see high resolution image.]
baja flora distribution map gbif distrubution map
LEFT: Baja Flora. http://bajaflora.org, accessed 4 Oct 2011. RIGHT: GBIF. Global Biodiversity Information Facility. http://www.gbif.org. Accessed on 28 Jan 2020.



Key: to the three varieties


    Stems with appressed and spreading-hispid trichomes; basal fruits along cymule axis apart, not touching one another ...... J. grayi var. cryptochaeta
    Stems with predominantly appressed trichomes, very few if any spreading; fruits along cymule axis close together, touching one another
        Nutlets tuberculate, often densely so, but with at least some tubercles on inner side or margin ...... J. grayi var. grayi
        Nutlets not tuberculate, smooth on all surfaces ...... J. grayi var. nesiotica


Johnstonella grayi in the field
Johnstonella grayi
Photograph courtesy of Jon Rebman, 20 April 2015.




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