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Published In: Alsographia Americana 56. 1838. (Alsogr. Amer.) Name publication detailView in Biodiversity Heritage Library
 

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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10. Viburnum rufidulum Raf. (southern blackhaw, wild raisin)

Map 1446, Pl. 338 e, f

Plants shrubs or small trees 2–6(–10) m tall. Bark firm, not peeling, relatively smooth to finely roughened or warty on younger branches, occasionally forming small plates or furrows on older trunks, gray to grayish brown or purplish gray. Winter buds oblong-conical, often somewhat flattened, with a pair of scales, these valvate (the margins touching but not overlapping), densely pubescent with minute, red to reddish brown, stellate hairs, not sticky. Stipules absent. Petioles 7–16 mm long, with poorly to moderately well-developed wings 0.2–1.0 mm wide flanking the ventral groove, especially toward the tip, these straight (not undulate or curled), densely pubescent with microscopic, red to reddish brown, stellate hairs, sometimes appearing less pubescent late in the season, lacking prominent glandular swellings near the tip. Leaf blades 1.5–10.0 cm long, 1.0–6.5 cm wide, unlobed, relatively thick and somewhat leathery, elliptic to oblong-elliptic or oblong-ovate, rounded to angled or occasionally short-tapered at the base, rounded or broadly angled to a usually bluntly pointed tip, rarely contracted to a short-tapered, sharply pointed tip, the margins finely toothed with the teeth 5–11 per cm, numerous on each side, the upper surface glabrous or with scattered microscopic, red to reddish brown, stellate hairs mostly along the midvein, shiny (this sometimes not apparent in dried specimens), the undersurface moderately to densely pubescent with scattered microscopic, red to reddish brown, stellate hairs when young, these becoming more scattered and mostly along the main veins with age, pinnately veined, the secondary veins evenly spaced, curved or arched toward the tip, looping and joined with adjacent veins into a network, not reaching the margin. Inflorescences sessile or short-stalked, with 3 or 4(5) primary branches, these sparsely pubescent with scattered microscopic, red to reddish brown, stellate hairs, usually also with scattered longer, branched or tangled hairs, at least when young, the marginal flowers fertile and similar to the other flowers. Ovaries glabrous. Fruits 8–18 mm long, ellipsoid, oblong-ovoid, or nearly spherical, bluish purple to blue or bluish black, glaucous. Nutlet 7–15 mm long, yellowish brown to dark brown. 2n=18. April–May.

Scattered south of the Missouri River and in northeastern Missouri (eastern [mostly southeastern] U.S. west to Kansas and Texas). Bottomland forests, mesic to dry upland forests, banks of streams, rivers, and spring branches, edges of glades, and bases and ledges of bluffs; also fencerows, pastures, railroads, and roadsides.

 


 

 
 
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