Panicum hillmanii

Chase Hillman's Panic
J. Wash. Acad. Sci. 14: 345, f. 1 (1934)
Taxonomic status Accepted
Occurrence status Present
Origin Introduced
Degree of establishment Naturalised

In habit and general appearance, closely resembling Panicum capillare var. capillare, but distinguished by the generally slightly coarser panicle branches, the rachilla which is shortly developed between the upper and lower glumes, the sterile floret which has the palea developed and c. half as long as the lemma, and the fertile lemma which has a conspicuous crescentic callus c. 0.7 mm wide, extending upward from the base. Flowers Dec.–Apr.

MuM, Wim, VVP, VRiv, MuF, GipP, OtP, WaP, Gold, CVU, DunT, NIS, HSF. Also naturalised in WA, SA, Tas. Native to southern North America. Recorded from similar situations as Panicum capillare (pastures, roadsides, wasteland, railyards) and previously overlooked as that species.

Source:

Walsh, N.G. (1994). Poaceae. In: Walsh, N.G.; Entwisle, T.J., ‍Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons‍, pp. 356–627. Inkata Press, Melbourne.

Updated by: Val Stajsic, 1 Dec. 2022
Panicum hillmanii (hero image) Spinning
Panicum hillmanii (distribution map) Spinning