Hymenachne

Hymenachne is a genus of widespread wetlands plants that is in the grass family. They are commonly known as marsh grasses.[4] They are distributed in tropical and subtropical regions of Asia, the Americas, and the Pacific Islands.[5] A species from the Americas, H. amplexicaulis, is well known in other parts of the world as an introduced and invasive species.[6]

Hymenachne
Hymenachne amplexicaulis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Panicoideae
Supertribe: Andropogonodae
Tribe: Paspaleae
Subtribe: Otachyriinae
Genus: Hymenachne
P.Beauv.[1][2]
Synonyms[3]
  • Panicum sect. Hymenachnae (P.Beauv.) Hack.

Hymenachne is similar to genus Sacciolepis. Both were formerly considered part of Panicum.[7]

Hymenachne aquatic plants frequently found in marshes and other wet habitats. Their stems are spongy with aerenchyma tissue.[7] The longest stems can reach 4 meters. They are perennial, sometimes with rhizomes. The leaves are linear or lance-shaped.[8] The inflorescence is usually a cylindrical, spike-shaped panicle, rarely with branches.[7]

Diversity

Accepted species[9][10]
formerly included[9]

see Panicum Pennisetum Sacciolepis

  • Hymenachne aurita - Panicum auritum
  • Hymenachne boiviniana - Panicum boivinianum
  • Hymenachne campestris - Sacciolepis vilvoides
  • Hymenachne condensata - Panicum condensatum
  • Hymenachne fluviatilis - Sacciolepis vilvoides
  • Hymenachne frondescens - Panicum stoloniferum
  • Hymenachne indica - Sacciolepis indica
  • Hymenachne insulicola - Panicum auritum
  • Hymenachne interrupta - Sacciolepis interrupta
  • Hymenachne leptostachya - Panicum pulchellum
  • Hymenachne montana - Pennisetum montanum
  • Hymenachne myosuroides - Sacciolepis myosuroides
  • Hymenachne myosurus - Sacciolepis myuros
  • Hymenachne myuros - Sacciolepis myuros
  • Hymenachne phalarioides - Sacciolepis indica
  • Hymenachne phleiformis - Sacciolepis myuros
  • Hymenachne polymorpha - Panicum auritum
  • Hymenachne striata - Sacciolepis striata

References

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