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Published In: Systema Naturae, ed. 12 2: 165. 1767. (15-31 Oct 1767) (Syst. Nat. (ed. 12)) Name publication detail
 

Project Name Data (Last Modified On 8/11/2017)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Native

 

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2. Lonicera dioica L. (limber honeysuckle, wild honeysuckle, red honeysuckle)

L. dioica var. glaucescens (Rydb.) Butters

Map 1422, Pl. 334 g, h

Plants lianas to 4 m or more long, the main stems loosely twining toward the tips, climbing on adjacent vegetation (sometimes twining on themselves and forming loose mounds) or more or less trailing on the ground. Twigs glabrous, the pith hollow, the bark of older branches becoming shredded. Winter buds ovoid but somewhat flattened, glabrous. Leaf blades mostly 3–9 cm long, 2.0–6.5 cm wide, mostly elliptic, rounded or more commonly angled at the base, rounded or more commonly angled or tapered to a bluntly or sharply pointed tip, those of the uppermost 1 or few pairs strongly perfoliate, 1.2–2.2 times as long as wide, the pair broadly elliptic to oblong-elliptic in overall outline, rounded or broadly angled to bluntly pointed tips, sometimes abruptly tapered to minute, sharp points, the upper surface glabrous and bright green (that of the perfoliate leaves sometimes slightly glaucous toward the center), the undersurface glabrous or sparsely to moderately and evenly pubescent with soft, more or less spreading hairs, very strongly glaucous (sometimes almost white). Flowers in 1 or 2 whorls of 6 at the branch tips, the flowers sessile, the 2 bracts each 4–6 mm long, free, very broadly triangular, glabrous, the pair of bractlets on opposite sides of each flower minute (0.3–0.5 mm long), free, oblong to broadly ovate. Calyces glabrous, the lobes 0.2–0.4 mm long, semicircular to broadly oblong-rounded, often pale or whitened. Corollas 20–30 mm long, strongly zygomorphic, divided 1/3–1/2 of the way to the base into 2 recurved-curled lips of about equal length, the upper lip shallowly (3)4-lobed, the lower lip with 1 lobe, the tube weakly swollen or pouched on the lower side near the base, white to lemon yellow and pinkish-tinged (rarely nearly red), not changing color after pollination. Stamens and style exserted from the corolla, slightly longer than the corolla lobes, the style sparsely to densely hairy. Ovaries free. Fruits 5–10 mm in diameter, orangish red to red. 2n=18. April–June.

Uncommon, widely scattered in the state (eastern [mostly northeastern] U.S. west to North Dakota, Wyoming, and Oklahoma; Canada). Bases and ledges of bluffs, mesic upland forests, and banks of streams and rivers; rarely also fencerows.

Plants with pubescent leaves and densely pubescent styles have been called var. glaucescens, but Perino (1978) studied patterns of morphological variation across the species range and concluded that the pubescence patterns showed complete intergradation.

 
 


 

 
 
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