E. sericeus — Hays Co. Rehydrated herbarium leaf from R. T. Harms 94 [TEX], 7/14/2010.
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Evolvulus sericeus & Evolvulus discolor Transparency Venation

by Bob Harms ()

1. Evolvulus discolor rehydrated transparency scans from Coahuila Mexico (from R. M. Stewart [LL], 1941; earlier determined as E. nuttallianus):

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[Click to enlarge.]

2. Evolvulus sericeus fresh transparency scans from Hays and Travis Counties (collected in September/October 2012):

A minimal 8 mm basal leaf without apparent secondary venation with reflective lighting,
but the transparency scan reveals the typical palmatipinnate venation. Hays Co.
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Hays Co.
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Hays Co.
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Hays Co. Venation clearer when enlarged.
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Travis Co.
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