Hyperbaena mexicana

Hyperbaena mexicana is a shrub or small tree that grows up to 12 metres (39 ft) high, and around 13 centimetres (5.1 in) wide. The branches are cylindrical, and brown or greyish. The leaves are leathery, ovate to oblong-lanceolate, 7–20 centimetres (2.8–7.9 in) long, and 3–10 centimetres (1.2–3.9 in) wide. The edges are smooth and somewhat undulating. The leaf stem is 1–3 centimetres (0.39–1.18 in) long. The male inflorescences are usually clustered panicles or racemes, which grow on 0.4–1.8 centimetres (0.16–0.71 in) long stems. The flower stems are 1–5 millimetres (0.039–0.197 in) long. The male flowers have six sepals. The outer sepals are obovate, 1–1.3 millimetres (0.039–0.051 in) long, and around 1 millimetre (0.039 in) wide. The inner sepals are broadly ovate to orbicular, around 1.5 millimetres (0.059 in) long, and 1–1.2 millimetres (0.039–0.047 in) wide. The male flowers have six obovate to rhombic petals, which are 0.7–0.9 millimetres (0.028–0.035 in) long, and 0.5–0.6 millimetres (0.020–0.024 in) wide. The male flowers have six stamens.

The female inflorescences are usually solitary spikes or racemes, which grow on 0.5–2.3 centimetres (0.20–0.91 in) long stems. The flower stems are up to 8 millimetres (0.31 in) long. The female flowers have six sepals. The outer sepals are ovate, around 1.4 millimetres (0.055 in) long, and around 1 millimetre (0.039 in) wide. …

Hyperbaena mexicana is native to the wet tropical biome of Belize, El Salvador, Guatemala, Honduras, and Mexico (Gulf, south-east, and south-west). Within Guatemala, it is found in Petén, Izabal, El Progreso, Santa Rosa, Quetzaltenango, Retalhuleu, and Huehuetenango. It may also be present in Nicaragua. It grows at elevations of 150–1,400 metres (490–4,590 ft), in deciduous and wet forests.