Johnstonella grayi (Vasey & Rose) Hasenstab & M. G. Simpson
Syst. Bot. 37(3): 754. 2012


[Johnstonella Home]

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

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:


E. Palmer 801, 6-15 Mar 1889, MEXICO: Baja California [Sur]: Lagoon Head.
HOLOTYPE: NY 00335471
ISOTYPES: GH 00096296; K 000478228, UC 24683.

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.]
Courtesy of Bajaflora.org (2011-10-04)



Key: to the three varieties


    Corolla conspicuous, 2-3 mm wide; nutlets tuberculate ......................................... J. grayi var. grayi

    
Corolla inconspicuous, 0.5-1 mm wide; nutlets tuberculate to glabrous

        Nutlets abundantly tuberculate ............................................................ J. grayi var. cryptochaeta

        
Nutlets sparsely tuberculate to glabrous .................................................... J. grayi var. nesiotica



Nutlet Images of three varieties
[Click to see high resolution image.]


Johnstonella grayi var. grayi
(SD 94535)
Nutlet, dorsal view
Scale bar = 1 mm


Johnstonella grayi var. cryptochaeta
(SD 92565)
Nutlet, dorsal view
Scale bar = 1 mm


Johnstonella grayi var. nesiotica
(SD 50143)
Nutlet, dorsal view
Scale bar = 1 mm