Manual of the Trees of North America (Exclusive of Mexico) 2nd ed.

by Charles Sprague Sargent

LVIII. STYRACEÆ.

Trees or shrubs, with stellate pubescence or lepidote, watery juice, and scaly buds. Leaves alternate, simple, penniveined, without stipules. Flowers regular, perfect; calyx more or less adnate to the tube of the corolla; disk 0; anthers introrse, 2-celled, the cells opening longitudinally; ovary superior or partly superior, crowned with a simple style; ovules anatropous. Fruit drupaceous, with thin dry flesh, and a thick-walled 1-seeded bony stone. Seeds, with albumen.

The Storax family is confined to North and South America, the Mediterranean region, eastern Asia and the Malay Archipelago. Of the six genera of this family two are represented in the flora of North America.

CONSPECTUS OF THE GENERA OF THE UNITED STATES.

Calyx adherent to the whole surface of the ovary; corolla 4-lobed. Fruit oblong-obovoid, 2 or 4-celled and 2 or 4-winged.1. [Halesia.] Calyx adherent to the base only of the ovary; corolla usually 5-parted. Fruit subglobose, 1-celled.2. [Styrax.]