Night-blooming jessamine

Shrubs or trees, 1–12 m; young stems sparsely pubescent, hairs glandular; axillary branches not subtended by minor leaf. Leaves: petiole 5–18 mm; blade ovate, elliptic, or ovate-elliptic, 3.7–21 × 1.4–8.5 cm. Inflores­cences 1–3 per axil, each cluster 1–4-flowered. Flowers: calyx 2.2–3.5 × 1.2–1.8 mm, lobes 5, erect or spreading, 0.5–1 mm; corolla pale yellow to pale green, 16–24 mm, lobes 2–4.5 mm. Berries white, 5–11 × 5–9 mm. 2n = 16.

Flowering mid-summer–winter. Secondary scrub, forest edges, roadsides; 0–200 m; introduced; Calif., Fla., La.; Mexico (Chiapas, Morelos, Oaxaca, San Luis Potosí, Yucatán); Central America (Nicaragua, Panama); South America (Brazil, Colombia, Venezuela).

Cestrum nocturnum is considered to be an agricultural and environmental weed (R. P. Randall 2002).