*Megathyrsus maximus (Jacquin) B.K. Simon & S.W.L. Jacobs. Common name: Guinea Grass. Phenology: Jan-Dec. Habitat: A wide variety of dry to moist disturbed areas, pine plantations, fruit groves. Distribution: Native of Africa. Introduced in the Gulf states (GA, AL, FL) (FNA; Carter, Baker, & Morris 2009) and se. SC (Bradley et al. [in prep.]).
Origin/Endemic status: Subsaharan Africa
Synonymy ⓘ: = FNA24, K4; = n/a — RAB; = Panicum maximum Jacq. — Bah, HC, S, SFla, Tx, WH3; = Urochloa maxima (Jacq.) R.D.Webster — FlGr, FNA25; > Panicum maximum Jacq. var. maximum — Meso6; > Panicum maximum Jacq. var. pubiglume K.Schum. ex Peter — Meso6. Basionym: Panicum maximum Jacq. 1781
Links to other floras: = Megathyrsus maximus - FNA24; = Urochloa maxima - FNA25
Show parent genus | Show parent in key(s)
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FAC
- Eastern Mountains and Piedmont: FAC
- Great Plains: FAC
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.




Feedback
See something wrong or missing on about Megathyrsus maximus? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months. If a species is not keyed, that's because keying is ongoing. Please don't send us feedback about unkeyed species.
Horticultural Information
Intro:
Stems:
Leaves:
Inforescence:
Flowers:
Fruits:
Comments:
Height:
plant sale text:
bloom table text:
description:
stems:
leaves:
inflorescence:
flowers:
fruits:
comments:
cultural notes:
germination code:
native range:
0 unsaved edits on this page.