. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 3. Trifolium dubium Sibth. Least Hop- clover or Hop-trefoil. Fig. 2476. Trifolium dubium Sibth. FI. Oxon. 231. 1794. Trifolium minus Smith, Engl. Bot. pi. I2j6. 1799. Trifolium procumbens var. minus Koch, Fl. Germ. & Helv. Ed. 2, 195. 1843. Straggling or ascending, nearly glabrous, stems 2'-2o' long, branching. Leaflets obovate, truncate or emarginate at the apex, or eve
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 3. Trifolium dubium Sibth. Least Hop- clover or Hop-trefoil. Fig. 2476. Trifolium dubium Sibth. FI. Oxon. 231. 1794. Trifolium minus Smith, Engl. Bot. pi. I2j6. 1799. Trifolium procumbens var. minus Koch, Fl. Germ. & Helv. Ed. 2, 195. 1843. Straggling or ascending, nearly glabrous, stems 2'-2o' long, branching. Leaflets obovate, truncate or emarginate at the apex, or even obcordate, denticulate, cuneate at the base, the lateral ones nearly sessile, the terminal stalked; stipules ovate or lanceolate, adnate to the lower part of the pe- tiole; peduncles 3"-l2" long; heads nearly glo- bose, 2"-3" in diameter, 3-20-flowered; flowers about li" long, turning brown, at length reflexed; standard exceeding and folded over the pod, scarcely striate. In fields and waste places. Massachusetts to New Jersey, Arkansas. Georgia and Mississippi. Also in Washington, Oregon and British Columbia. Jamaica. Naturalized from Europe. Summer. Said to be the true Shamrock. Called also yellow-suckling. Wild or yellow-trefoil.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
