Botanical description
— Species, A. stricta, F.v.M., Fragm. i, 57.
A small shrub or tree attaining sometimes 40 feet, quite glabrous.
Leaves. — Opposite, on long petioles, mostly oblong-lanceolate, but varying from almost ovate to narrow- lanceolate, acute or acuminate, the primary veins distant, oblique, and not very prominent, 3 to 5 inches long.
Flowers. — Numerous, in corymbose cymes, either solitary and terminal or two together in the forks of the branches and shorter than the leaves.
Calyx-segments. — Ovate, almost acute, about 1/2 line long, with a few minute and irregular glands at the base inside.
Corolla-tube. — About 1 line long, glabrous, or slightly bearded inside at the base, the right-hand edges overlapping in the bud.
Follicles. — From 3 to 4 inches to twice that length.note
Seeds. — Linear, flat or concave, pubescent, 4 to 6 lines long, ciliate with long hairs at the upper end and shorter ones at the lower end. (B.Fl., iv. 314)