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Rosaceae – Rose Family ROSACEAE – ROSE FAMILY Plant: herbs, vines, shrubs and trees Stem: Root: Leaves: simple or pinnately compound, mostly alternate but rarely opposite; stipules present but may fall early, or without stipules Flowers: mostly perfect, a few dioecious, regular (actinomorphic); (4)5 sepals; (4)5 petals or sometimes none; stamens 1-10 to many, often in multiples of 5 around central cup; ovary inferior to sub-inferior or rarely superior, 3- many carpels,1 to many pistils Fruit: fleshy or dry seed or fruit, various forms Other: large family; ornamentals such as roses; fruits such as apples, cherries, peaches, plums, etc. as well as strawberries, blackberries and raspberries; Dicotyledons Group Genera: 125+ genera WARNING – family descriptions are only a layman’s guide and should not be used as definitive Flower Morphology in the Mostly 5 sepals and 5 petals usually with many stamens; leaves Rosaceae (Rose Family) mostly alternate or pinnately compound; often with stipules Examples of some common genera (A-M) Pasture [Carolina] Rose Black Chokeberry [Sesquehana] Sand Cherry Rosa Carolina L. Photinia melanocarpa (Michx.) Robertson Prunus susquehanae hort. ex Willd. & Phipps [Common] Ninebark Callery [Bradford] Pear Physocarpus opulifolius (L.) Maxim. Pyrus calleryana Decne. (Introduced) Thimbleberry Rubus parviflorus Nutt. Jetbead [Old-Field] Common Cinquefoil Rhodotypos scandens (Thunb.) Steeplebush [Hardhack] Potentilla simplex Michx. Makino (Introduced) Spiraea tomentosa L. ROSACEAE – ROSE FAMILY Black Chokeberry; Photinia melanocarpa (Michx.) Robertson & Phipps Ninebark; Physocarpus opulifolius (L.) Maxim. Silvery [Silver] Cinquefoil; Potentilla argentea L. (Introduced) Varileaf Cinquefoil; Potentilla diversifolia Lehm. Sulfur Cinquefoil; Potentilla recta L. (Introduced) Rough [Norwegian] Cinquefoil; Potentilla norvegica L. ssp. monspeliensis (L.) Aschers. & Graebn [Old-Field] Common Cinquefoil; Potentilla simplex Michx. Sweet Cherry; Prunus avium L. (Introduced) Mexican [Big Tree; Wild] Plum; Prunus mexicana S. Watson Wild Goose Plum; Prunus munsoniana W. Wight & Hedrick Black Cherry; Prunus serotina Ehrh. var. serotina [Sesquehana Sandcherry]; Prunus susquehanae hort. ex Willd. [Prunus pumila L. var. cuneata (Raf.) Bailey] Chokecherry; Prunus virginiana L. var. virginiana Antelope Bitterbrush; Purshia tridentata (Pursh) DC. Callery [Bradford] Pear; Pyrus calleryana Decne. (Introduced) Jetbead; Rhodotypos scandens (Thunb.) Makino (Introduced) Prickly Rose; Rosa acicularis Lindl. Pasture [Carolina] Rose; Rosa Carolina L. Multiflora Rose; Rosa multiflora Thunb. ex Murr. (Introduced) Swamp Rose; Rosa palustris Marsh. Thimbleberry; Rubus parviflorus Nutt. Southern Dewberry; Rubus trivialis Michx. ROSACEAE – ROSE FAMILY Creeping Sibbaldia [Cloverleaf Rose]; Sibbaldia procumbens L. Three-Toothed Cinquefoil [Shrubby Fivefingers]; Sibbaldiopsis tridentata (Aiton) Rydb. (Potentilla tridentata) False Spiraea; Sorbaria sorbifolia (L.) A. Braun European Mountain Ash; Sorbus aucuparia L. (Introduced) White Meadowsweet; Spiraea alba Du Roi var. alba Steeplebush [Hardhack]; Spiraea tomentosa L. Black Chokeberry USDA Photinia melanocarpa (Michx.) Robertson & Phipps Rosaceae (Rose Family) Kitty Todd Nature Preserve, Lucas County, Ohio Notes: small shrub; flowers white (pink), small; leaves finely toothed, mostly glabrous, usually with a line of glands along the upper midrib; twigs and buds mostly glabrous to somewhat hairy; fruit a red berry turning black [V Max Brown, 2004] [Common] Ninebark USDA Physocarpus opulifolius (L.) Maxim. Rosaceae (Rose Family) Oak Openings Metropark, Lucas County, Ohio Notes: common shrub; 5-petaled flower, white to pinkish, sepals green; leaves alternate, with rounded lobes and toothed; bark very scaly or shreddy; fruit in umbel-like clusters of capsules often lasting through winter (varieties based on pubescent of capsules) [V Max Brown, 2004] Silvery [Silver] Cinquefoil USDA Potentilla argentea L. (Introduced) Rosaceae (Rose Family) Oak Openings Metropark, Lucas County, Ohio Notes: 5-petaled flower, yellow, petals exceeding sepals; leaflets deeply (3-5) toothed or lobed, underside of leaflets and stem silvery pubescent; plant erect; late spring to early fall [V Max Brown, 2004] Leaf bottom Sulfur Cinquefoil USDA Potentilla recta L. (Introduced) Rosaceae (Rose Family) Oak Openings Metropark, Lucas County, Ohio Notes: 5-petaled flower, pale yellow and notched; palmate leaves, 5-7 leaflets, narrow and coarsely toothed, not silvery pubescent beneath but may have some long hairs; mostly single stemmed below flowering branches; erect plant; late spring to fall [V Max Brown, 2007] Rough [Norwegian] Cinquefoil USDA Potentilla norvegica L. ssp. monspeliensis (L.) Aschers. & Graebn Rosaceae (Rose Family) Ottawa National Wildlife Refuge, Ottawa County, Ohio Notes: 5-petaled flower, yellow, sepals longer than petals; palmate leaf, 3 leaflets, serrate; stem hairy, erect to sprawling, stout, branched; summer to fall [V Max Brown, 2006] Varileaf Cinquefoil USDA Potentilla diversifolia Lehm. Rosaceae (Rose Family) Fraser area, Grand County, Colorado Notes: 5-petaled flower, bright yellow, tip truncated with narrow base, pedicels long; leaves mostly basal with long petioles, leaves palmate, 5-7 leaflets, coarsely toothed (especially in upper half), moderately hairy on both surfaces or not, sometimes silvery haired below; erect plant; lower elevations to alpine environments; summer (several varieties) [V Max Brown, 2012] [Old-Field] Common Cinquefoil USDA Potentilla simplex Michx. Rosaceae (Rose Family) Oak Openings Metropark, Lucas County, Ohio Notes: 5-petaled flower, yellow, solitary on long pedicel, petals usually longer than sepals; palmate leaf with 5(-7) leaflets, commonly coarsely toothed on distal ¾ of leaflet; mostly prostrate plant when mature, rooting at tip; spring to summer [V Max Brown, 2004] Sweet Cherry USDA Prunus avium L. (Introduced) Rosaceae (Rose) Family Maumee River Metroparks, Lucas County, Ohio Notes: shrub to tree; 5-petaled flower, white, large, on pedicels of several cm; bark thin, scaly, becoming dark; leaves ovate to oblong, serrate, pubescent on veins below, 10-14 pairs of veins; twigs thick; winter buds large and scaled; fruit red and sweet [V Max Brown, 2004] Mexican [Big Tree; Wild] Plum USDA Prunus mexicana S. Watson Rosaceae (Rose) Family Wilson’s Creek National Battlefield, Greene County, Missouri Notes: shrub to small tree; 5-petaled flower, white, 2-4 on pedicel; bark scaly when young, becoming darker and furrowed when older; leaves alternate, ovate-lanceolate, toothed, hairy below especially on veins, glabrous above, net veined above and below, petiole hairy; winter buds mostly glabrous; mature fruit grayish-blue at maturity, fleshy and clings to seed, seed oval with ridges on one side and grooved on the other; spring [V Max Brown, 2010] Wild Goose Plum USDA Prunus munsoniana W. Wight & Hedrick Rosaceae (Rose) Family Wilson’s Creek National Battlefield, Greene County, Missouri Notes: shrub to small tree; 5-petaled flower, white, 2-4 on pedicel; bark smooth, with horizontal lenticls, scaly later; leaves alternate, lanceolate, finely toothed, somewhat hairy below especially on veins, glabrous above and glossy, long pointed, mature leaves somewhat folded, minute glands on inside curve of each tooth; winter buds mostly glabrous; mature fruit yellow to red with white dots, somewhat glaucous usually, yellow flesh, seed oval, pointed tip, groved on sides; spring [V Max Brown, 2010] Black Cherry USDA Prunus serotina Ehrh. var. serotina Rosaceae (Rose Family) Oak Openings Metropark, Lucas County, Ohio Notes: tree; 5-petaled flower, white, on raceme; leaves elliptical to lanceolate, finely toothed (rounded and curved in); bark dark, smooth when young but breaks into scaly plates with age; slender, rank smell when broken; winter buds small, bright brown, with rounded tips; fruit red to purplish-black; spring [V Max Brown, 2005] [Sesquehana] Sand Cherry USDA Prunus susquehanae hort. ex Willd. [Prunus pumila L. var. cuneata (Raf.) Bailey] Rosaceae (Rose Family) Kitty Todd Nature Preserve, Lucas County, Ohio Notes: small shrub; 5-petaled flower, white, from leaf axils on long petioles; leaves alternate, elliptical to somewhat ovate, mostly entire on lower half and finely toothed on distal half, usually glaucous below; bark wrinkled; twigs reddish-brown; winter buds small [V Max Brown, 2007] Chokecherry USDA Prunus virginiana L. var. virginiana Rosaceae (Rose Family) Oak Openings Metropark, Lucas County, Ohio Notes: shrub or small tree; 5-petaled flower, white, on raceme; leaves alternate, mostly ovate, thin, serrate, teeth ascending, short sharp tip; bark fissured; twigs with rank odor, partially covered with gray fuzz; winter bud scales brown with lighter margins; fruit red to dark red, small and shiny; spring [V Max Brown, 2006] Antelope Bitterbrush USDA Purshia tridentata (Pursh) DC. Rosaceae (Rose Family) Lake Granby Area, Grand County, Colorado Notes: shrub (usually < 3-4 m); 5-petaled flower, white to light yellow; leaf wedge-shaped with 3 apical lobes, hairy above and densely white hairy below, edges often revolute; stems reddish, often flaky; plant hairy and glandular; lower elevations to foothills environments; summer [V Max Brown, 2012] Callery [Bradford] Pear USDA Pyrus calleryana Decne. (Introduced) Rosaceae (Rose Family) Nixa, Christian County, Missouri Notes: tree; 5-petaled flower , white and showy, in umbels from lateral branches; leaves simple, fairly small (up to 9 cm), rounded with
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