Amsinkia tessellata, rough fiddleneck

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Intermountain Flora
Plants 1.5-6 dm tall, simple or moderately branched; herbage spreading-hispid throughout, or the hairs of the leaves merely ascending, the upper part of the stem also with shorter and softer, somewhat retrorse hairs; leaves linear or generally broader, often lance-oblong or lance-ovate, often but not always broader than in the first 3 species, up to 10 cm long and 3 cm wide; inflorescence often with some rufous or blackish bristles; sepals 7-14 mm long at maturity, those of many or all of the flowers unequal in width and reduced in number (commonly 4, sometimes 2 or 3) by lateral fusion, the broader one(s) often apically bidentate or shortly bifid; corolla yellow, marked with orange, or more often golden or orange and marked in the throat with vermilion, 7-12 mm long, the limb mostly 3-5 mm wide, the tube mostly about 20-nerved below the insertion of the stamens; nutlets oviod, 2.5-3.5 mm long, brownish or gray, tessellate-tuberculate (suggesting an irregular cobblestone pavement with bulging stones) and generally also somewhat rugose; scar somewhat elevated, roughly ovate or lance-ovate, about 1 mm long, set just below the base of the ventral keel; 2 n = 24.

Cronquist, A., Holmgren, A.H., Holmgren, N.H., Reveal, J.L., and Holmgren, P.K. (1984) "Intermountain Flora" pg. 278, vol. 4, The New York Botanical Garden New York.