Genus Muntingia in Family Muntingiaceae
In botanical taxonomy, a genus (plural genera) is a rank used to group closely related species within a family. In the hierarchy, genus sits below family and above species.
Genera are defined by shared morphological, anatomical, and genetic characteristics (for example, features of flowers, fruits, seeds, or leaves) that indicate a close evolutionary relationship among the species they contain.
Each genus can include one or more species. Examples include Rosa (roses) and Solanum (nightshades, including tomato and eggplant).
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Genus Description
Suggest a correction!Muntingia L., the sole genus of Muntingiaceae, comprises the single, widely cultivated and naturalized species Muntingia calabura L., commonly called strawberry tree or capulín. The species is nearly pantropically distributed from Mexico to northern Argentina and throughout the Caribbean, occurring in secondary forests, forest edges, riverbanks, roadsides, and other open, often disturbed habitats up to about 1500 m. Linnaeus’s original description serves as the type for the name Muntingia (APG II, 2003; Christenhusz et al., 2018).
The tree is evergreen and typically reaches 8–15 m with reddish-brown bark and a wide, rounded crown. Its leaves are simple, alternate, distichous, oblong-lanceolate to elliptic, 5–15 cm long, with an asymmetrically cordate to rounded base, serrate margins, and a mucronate apex; they bear stellate and tufted hairs and small stipules. Inflorescences are solitary or fascicled in axils of reduced leaves; the flowers are pentamerous with valvate, reflexed sepals, five spreading white petals, numerous exserted stamens inserted on a fleshy receptacle, and a superior ovary with five locules and numerous ovules on axile placentas. The fruit is a globose, yellowish to reddish berry about 1–1.5 cm across, with a thin pericarp and numerous tiny, flattened seeds embedded in a sweet pulp (Soejima & Tan, 2005; Kubitzki, 2011).
Muntingia calabura is most diverse in the lowland Neotropics, where it is weedy and frequently escapes cultivation; it is also widely cultivated and naturalized in tropical Asia, the Pacific, and other regions. It prefers full sun and moist, well-drained soils, thriving from coastal to lower montane zones and tolerating disturbance. The white, odorless flowers are visited by bees and occasionally hummingbirds, and the fruits are eaten by birds and bats that disperse seeds over long distances; vegetative reproduction is not reported (Willmer, 2011; Lambert et al., 2009). Chromosome numbers of 2n=30 are commonly reported in cultivated material (Chen et al., 2013).
Historically placed in Tiliaceae, Muntingia has been segregated into its own family based on phylogenetic evidence placing it in Malvales, near Elaeocarpaceae and based on unique features (APG II, 2003; Soltis et al., 2000). The circumscription is stable with only M. calabura accepted; synonymization of M. verticillata under M. calabura is widely followed (POWO, 2024; WFO, 2024; Christenhusz et al., 2018). The genus is sometimes treated as comprising a single subgenus or section, but formal infra-generic ranks are not consistently applied.
Muntingia calabura is widely planted as a shade tree and street tree and used for ornamental fruit production; the wood is light and locally used, and the species is a common pioneer and sometimes invasive in secondary habitats (GISD, 2024). No major medicinal claims are made here. While the species is of least concern in its native range, continued monitoring is warranted where it has become naturalized (POWO, 2024).