'Fls 2-3 per stem, 71 mm wide; perianth segments very broad, rounded at apex, clear primrose yellow, with prominent white mucro, spreading, somewhat concave, smooth, overlapping half; the inner segments a little narrower, less obviously mucronate, with margins incurled or wavy, shouldered at base; corona short and broad funnel-shaped, lightly ribbed, darker in tone than the perianth, mouth straight, occasionally split and overlapping, wavy, with rim minutely crenate.

According to The American Horticultural Society's 1937 issue of the The American Daffodil Year Book, Guy L. Wilson's article “Some Modern Daffodils for Garden Decoration” states: “Trevithian is perhaps a more reliable doer and freer bloomer; its flowers are usually borne in twos and threes, and are shallow cupped, soft clear self yellow of faultless form ad the loveliest quality.”
DaffSeek 12-18-13.

Old House Gardens description - '“Pre-eminent” and “breath-taking,” Scott Ogden raves about this “refined, modern Campernelle” in Garden Bulbs for the South. It’s “stunningly fragrant,” he says, and — maybe best of all — a few bulbs “will multiply tenfold in three or four years.” With 2-3 neatly rounded flowers per stem, its mid-late blooms extend the jonquil season’s joys.'

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