Spring Flora of Oklahoma 
97 
II. SCHMALTZIA Desv. 
Shrubs with polygamo-dioecious, small, green flowers 
unfolding before the 3-foliolate alternate leaves. Flowers 
spicate or capitate. Ovary 1-ovuled. Styles 3, short. Fruit 
a small pubescent drupe. 
Leaflets l'-3' long, crenate-dentate, acutish. 
1. S. crenate. 
Leaflets 6"-18" long, obtuse or obtusish, with few round¬ 
ed teeth or lobes. 2. S. trilobata. 
1. Schmaltzia crenata (Mill.) Greene. Sweet-scented Sumac. 
A shrub. Leaves petioled, 3-foliolate, aromatic. Leaflets ovate or 
rhomboid, crenate or crenate-dentate, with numerous, large teeth. 
Flowers yellowish-green, in clustered spikes. Drupe globose, red, 
pubescent. 
In rocky woods. March-April. 
2i. Schmaltzia trilobata Nutt. Ill-scented Sumac. A glabrous 
or somewhat hairy shrub. Leaves petioled, 3-foliolate, unpleasantly 
odorous. Leaflets sessile, ovate or oval, all crenately few-lobed or 
toothed, or sometimes entire. Flowers and fruit as in preceding 
species. 
Sandy and rocky soil. March. 
III. TOXICODENDRON (Tourn.) Mill. 
Small trees, shrubs, or climbing vines, with 3-foliolate 
or pinnate leaves, poisonous to the touch, and axillary pan¬ 
icles of small, polygamous flowers unfolding after the leaves. 
Calyx 5-cleft. Petals and stamens 5. Drupes glabrous or 
sparingly pubescent. 
Glabrate, or somewhat pubescent; leaflets thin, entire or 
sinuate; fruit not papillose. 1. T. radicans. 
Densely pubescent; leaflets firm in texture, deeply 3-7- 
lobed; fruit papillose. 2. T. Toxicodendron. 
1. Toxicodendron radicans (L.) Kuntze. Poison Ivy. A woody 
vine, climbing by numerous, aerial rootlets, or erect and bushy. 
Leaves petioled, 3-foliolate, leaflets ovate or rhombic, entire or spar¬ 
ingly dentate or sinuate. Flowers green in loose, axillary panicles. 
Drupe globose-oblong, glabrous or sparingly pubescent. 
Thickets and along fences. May-June. Common. 
