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 just below cymules with appressed and spreading-hispid trichomes; basal fruits along cymule axis apart, not touching one another; corollas inconspicuous, limb 0.5–1 mm wide ...... J. grayi var. cryptochaeta
    Stems just below cymules with predominantly appressed trichomes, few if any spreading-hispid; fruits along cymule axis close together, touching one another; corolla limb 0.5–3 mm wide
        Nutlets tuberculate, often densely so, but with at least some tubercles on inner side or margin; corollas conspicuous, limb 2–3 mm wide ...... J. grayi var. grayi
        Nutlets not tuberculate, smooth on all surfaces; corollas inconspicuous, limb 0.5–1 mm wide ...... J. grayi var. nesiotica


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




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