Ptelea trifoliata baldwinii (Ptelea trifoliata baldwinii)
Description
Ptelea trifoliata is a small tree, or often a shrub of a few spreading stems, 6-8 m (20-26 ft) tall with a broad crown. The plant has thick fleshy roots, flourishes in rich, rather moist soil. In the Mississippi embayment (Mississippi River Valley) it is found most frequently on rocky slopes as part of the undergrowth. Its juices are acrid and bitter and the bark possesses tonic properties. The twigs are slender to moderately stout, brown with deep U-shaped leaf scars, and with short, light brown, fuzzy buds. The leaves are alternate, 5-18 cm long, palmately compound with three (rarely five) leaflets, each leaflet 1-10 cm long, sparsely serrated or entire, shiny dark green above, paler below. The western and southwestern forms have smaller leaves (5-11 cm) than the eastern forms (10-18 cm), an adaptation to the drier climates there. The flowers are small, 1-2 cm across, with 4-5 narrow, greenish white petals, produced in terminal, branched clusters in spring: some find the odor unpleasant but to others trifoliata has a delicious scent. The fruit is a round wafer-like papery samara, 2-2.5 cm across, light brown, maturing in summer. Seed vessel has a thin wing and is held on tree until high winds during early winter. The bark is reddish brown to gray brown, short horizontal lenticels, warty corky ridges, becoming slightly scaly, unpleasant odor and bitter taste. It has several Native American uses as a seasoning and as an herbal medicine for different ailments.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Sapindales
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Family: Rutaceae
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Genus: Ptelea
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