Difference between revisions of "×pascoleymus bowdenii"
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Revision as of 20:51, 5 November 2020
Culms 2-3 mm thick. Auricles to 1 mm; blades 5-10 mm wide. Rachis internodes 7-12 mm. Spikelets 12-22 mm. Glumes 1.2-9 mm; lemmas about 10 mm, hairy, hairs about 1 mm, awns 1.5-4 mm.
Discussion
The holotype of ×Pascoleymus bowdenii was collected at Beaverlodge, Alberta. Boivin (1967) considered it a hybrid between Agropyon smithii [= Pascopyrum smithii] and Elymus innovatus [= Leymus innovatus]. The tapering leaf blades and hairy lemmas support the involvement of L. innovatus; support for the involvement of P. smithii is less evident. ×Pascoleymus bowdenii differs it its wide blades from ×Elyleymus turneri, another hybrid having L. innovatus as one of its parents, but these do not provide any particular support for identifying P. smithii as the other parent. Some of the additional specimens that Boivin placed in ×Pascoleymus bowdenii belong to L. triticoides.
Selected References
None.