PlantaeDB Logo
Login Sign-up

Genus Saccharum in Family Poaceae

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).

Do you wish to read more about plant taxonomy? Click here!

Genus Description

Suggest a correction!

Saccharum (Poaceae) is a genus of about thirty species of perennial grasses distributed across tropical and subtropical regions of Asia, Africa and Oceania (POWO, 2024; WFO, 2024). The most widely cultivated member, Saccharum officinarum L., also serves as the nomenclatural type of the genus (ICN). Plants typically form tall, robust, cane‑like clumps arising from rhizomes, and possess long linear leaf blades with prominent midribs and overlapping sheaths; ligules are present and may be membranous. The inflorescence is a large, plume‑like panicle composed of numerous paired spikelets, each with a reduced lower glume and often an absent or short awn; the ovary is superior with a single basal ovule, and the fruit is a typical caryopsis (Clark et al., 2010). The genus reaches its greatest richness in South and Southeast Asia, where local endemics such as S. barberi are restricted to the Indian subcontinent (WFO, 2024); additional species, including S. arundinaceum, occur in tropical Africa, while others extend to the Pacific islands (POWO, 2024). Typical habitats range from low‑land savannas and river margins to montane grasslands up to about 2000 m. Saccharum is primarily wind‑pollinated, with some species reproducing vegetatively through rhizomes and nodal segments, a trait exploited in sugarcane cultivation. The base chromosome number is x = 8, but many taxa are polyploid, especially cultivated forms that may reach octoploid levels (2n = 80), reflecting extensive hybridization and genome duplication (Kumar et al., 2016). Recent phylogenetic analyses place Saccharum within the tribe Andropogoneae and show it to be sister to Miscanthus, forming a well‑supported clade (Clark et al., 2010). A subgeneric framework distinguishing cultivated taxa (subg. Saccharum) from wild taxa (subg. Parvisaccharum) has been proposed, but most contemporary treatments retain a single, broadly circumscribed genus (POWO, 2024). Alternate circumscriptions that segregated S. spontaneum into the separate genus Erianthus have been largely rejected, although historical synonymizations persist in the literature (Clayton & Renvoize, 1986). The economic importance of Saccharum is dominated by S. officinarum, the world’s principal source of sugar, while wild relatives such as S. spontaneum provide valuable genetic diversity for breeding disease‑resistant cultivars (Kumar et al., 2016). Several species are cultivated as ornamental grasses, and a few become weedy in rice paddy systems, but the genus has limited timber value (WFO, 2024). Many wild species face habitat loss, underscoring the need for continued ex situ conservation and systematic research to elucidate cryptic diversity and support climate‑resilient sugarcane development (POWO, 2024; WFO, 2024).

Pick a Species to see its components: