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The real L. flava is perhaps not now in cultivation, or, if it be, it is extremely rare. It appears to be very local in its distribution, and was originally discovered on the summit of Paris Mountain, in S. Carolina, by John Fraser; introduced early in the 19th century. The plants that went in cultivation under the name were either L. prolifera or L. glaucescens, both of which are inferior to it. It is about the most beautiful of American honeysuckles. The bright orange-yellow flowers are about 11⁄4 in. long, the corolla-tube glabrous outside, slenderly tapered downwards, not bellied. The flowers are produced in two or more whorls on a stalked, terminal inflorescence; style glabrous. Leaves rather glaucous beneath, glabrous, the uppermost one to three pairs connate, not glaucous above as they are in L. prolifera. Bot. Mag., t. 1318.
What is believed to be the true species is illustrated in The Garden (Journ. R.H.S.), Vol. 104, p. 218 (1979). The plant photographed was growing at the Henry Foundation near Philadelphia, USA.