Cryptantha cycloptera (Greene) Greene
Pittonia 1: 120. 1887.

Classification After:
Mabry, M. E., R. A. Dowdy, L. M. Simpson, J. P. Rebman, and M. G. Simpson. 2016. Taxonomy of the winged popcorn flower: Cryptantha pterocarya (Boraginaceae). Phytotaxa 253: 97-130.


Pronunciation:
Cryp-tán-tha cy-clóp-te-ra
Etymology (varietal epithet):
"ring/circle wing," in reference to the wing encircling the nutlet body
Synonyms:

Krynitzkia cycloptera Greene Bull. Calif. Acad. Sci. 1: 207. 1884. (Basionym)
Cryptantha pterocarya (Torrey) Greene var. cycloptera (Greene) J. F. MacBride, Contr. Gray Herb. 48: 44. 1916.
Type:

Cyrus Guernsey Pringle s.n., 15 April 1884. Hills near Tucson, Pima Co., Arizona.
CAS 202, barcode 0006884.

Key to forms of Cryptantha cycloptera
After: Mabry, M. E., R. A. Dowdy, L. M. Simpson, J. P. Rebman, and M. G. Simpson. 2016. Taxonomy of the winged popcorn flower: Cryptantha pterocarya (Boraginaceae). Phytotaxa 253: 97-130.

   Nutlets homomorphic with all four nutlets winged ................................................................... C. cycloptera forma cycloptera
  Nutlets heteromorphic with odd nutlet having reduced wing at sides and base
.............................. C. cycloptera forma truncata



Kartesz, J.T., The Biota of North America Program (BONAP). 2012. North American Plant Atlas (http://www.bonap.org/MapSwitchboard.html).
Chapel Hill, N.C. [maps generated from Kartesz, J.T. 2010. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP). (in press)].
COLOR KEY: Dark green=present in state; Light green=present in county, not rare; Yellow=present in county, rare. Accessed 28 Mar 2016.

[Click image to view full resolution]
TYPE SPECIMEN
Cryptantha
cycloptera (CAS 202, barcode 0006884)



Nutlet, dorsal view


Nutlet, ventral view


Nutlet, side view




TYPE SPECIMEN
Cryptantha
cycloptera
(CAS 202, barcode 0006884)
Hills near Tucson, Pima Co., Arizona, USA. Approximate locality: 32.3 N 111.0 W
15 April 1884. Cyrus Guernsey Pringle s.n.



[Click on images below to zoom in.]
Cryptantha cycloptera (SD 28896)

Nutlet, dorsal view
Scale bar = 1 mm

Nutlet, ventral view
Scale bar = 1 mm

Nutlet, side view
Scale bar = 1 mm



4 Nutlets + Calyx