Viburnums (Viburnum)

Group I. Viburnums with Leaves with Coarse Teeth


..... Stipules ..... No Stipules .....
..... hairy hairless hairy hairless
1)not lobed ..... ..... ..... .....
undersides hairy ..... downy arrowwood v. (2.rafinesquianum v. r) lvs stalkless or nearly so; grayish barked stems; dry, esp calcareous woods; VT to NJ

softleaf arrowwood v. (3.molle) most heart-shaped; peeling grayish bark on older stems; rocky woods & hills; e PA

..... .....
not hairy: ..... ..... ..... ....
shiny lvs ..... ..... Siebold v. (1.sieboldii) 6" lvs, rugose, dk green; rare, Japanese escape .....
not shiny ..... ..... southern arrowwood v. (4.dentatum var dentatum) NJ to FL, on coastal plain northern arrowwood v. (4.dentatum var lucidum) twigs often six-sided & ridged
1)lobed ..... ..... ..... .....
hairy mapleleaf v. (5.acerifolium) all fertile fls; moist or dry woods; s to FL cranberry v. (opulus var americanum) glands; u-shaped sinuses; lvs higher than wide; ring of fertile fls; leaf stalks grooved; moist woods; s to PA

guelder-rose v. (7.opulus var opulus) glands concave; deeply lobed; lvs wider than high, downy below (dk green); moist woods; s to PA; Eurasian escape

..... .....
not hairy ..... ..... ..... squashberry v. (6.edule) slightly lobed; moist woods; s to PA

Group II.Viburnums with Leaves with Fine Teeth


..... twigs & leafstaslks/lvs: ...... ..... .....
..... winged ..... not winged .....
..... dull shiny hairy not hairy
A. heart-shaped lf ..... ..... ..... .....
gray hairy ..... ..... wayfaring tree v. (12.lantana) 5-12cm; a sometime Eurasian escape .....
outer fls large: rusty hairy ..... ..... hobblebush v. (13.alnifolium) outer fls large; lvs 10-18cm; moist woods; s in mts to NC .....
B. oval leaves: ..... ..... ..... .....
dull ..... ..... ..... blackhaw v. (11.prunifolium) leaf dull green above, 6-8cm; lfstalks grooved; woods, thickets & roadsides; CN to GA
red hairy ..... rusty blackhaw v. (10.rufidulum) X; lf lustrous above, rather thick, 5-8cm; lfstalks grooved; dry or rocky woods & banks; s VA to FL ..... .....
C. elliptical ..... ..... ..... .....
long pointed ..... nannyberry v. (9.lentago) leaf oblong or orbicular, glabrous, abruptly long pointed, 5-8cm; woods & roadsides; s to NJ, VA ..... .....
not long pointed northern wild raisin v.; witherod v. (8. nudum var. cassinoides) more northern, extending s in mts to NC & GA southern wild rasin v.; possum-haw v. (8.nudum var. nudum) lvs to 12cm; mostly in wet woods & swamps; s to FL ..... .....