Hoptree

Ptelea trifoliata 'Aurea' Rutaceae

Other names

Wafer-Ash, Sinking-Ash, Water-Ash

Growth habit

Tree

Perennation

Perennial

Location

Cornell Class of 1923 Flowering Tree Collection, Sculpture Garden

Source of plant

Gardens North

Description

A large shrub or small tree of a bushy, rounded nature; if tree-like, usually low-branched; has a tendency to sucker. Leaves are yellow when young, later greenish-yellow,alternate, trifoliate, leaflets ovate to elliptic-oblong, 2.5 to 5" long, narrowed at ends, sometimes acuminate, middle largest with a short petiolule, the lateral ones oblique at base, smaller, entire, or obscurely crenulate, sessile, lustrous dark green above and glabrous below; if viewed with a hand lens while back-lighted distinct oil-glands are evident; pungent when bruised; petiole 2-4" long. Fall color can be a good yellow. Flowers are small, unisexual, greenish white, 1/3 to 1/2" diameter, fragrant, borne in terminal, 2-3" diameter corymbs on short lateral branches, in late May to June. Fruits are compressed, broadly winged, suborbicular, 2 sided, to 1" diameter indehiscent samaras; brownish at maturity, rather conspicous; effective August through September.

USDA Hardiness Zone

3

Special characteristics

foliage characteristics