Lasioideae

Lasioideae is a subfamily of grasses (family Poaceae) found primarily in tropical and subtropical regions worldwide. This subfamily is characterized by a diverse range of growth habits, from delicate annuals to robust perennials, and is ecologically important in many grassland and savanna ecosystems. Key morphological features that distinguish Lasioideae include specific arrangements of leaf structures, the anatomy of their spikelets (the basic unit of the grass inflorescence), and their caryopses (the fruit).

The genera within Lasioideae exhibit considerable variation in their adaptations to different environments. Some species are well-suited to arid conditions, while others thrive in wetter habitats. Their reproductive strategies also differ, with some relying heavily on wind pollination and others employing more specialized mechanisms. The subfamily is of interest to botanists for its evolutionary relationships within the Poaceae and its contributions to biodiversity. While not as economically significant as some other grass subfamilies, Lasioideae plays a vital role in supporting local flora and fauna in the regions where it occurs. Research continues to explore the genetic diversity, ecological functions, and potential uses of this fascinating group of grasses.