Paspalum urvillei*

Paspalum urvillei* Steud. Syn. Pl.
1: 24(1854).

Classification. (GPWG 2001) : Subfamily
Panicoideae. Paniceae.

Type of Basionym or
Protologue Information
: Brazil: 1825, J.S.C. Dumont de Urville s.n.
(HT: P; IT: B, CN, US-80035 (fragm.)).

Key references
(books and floras):
[1952] C.A.Gardner, Flora of Western Australia 1
Gramineae (242), [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
, [2002] J.Wheeler, N.Marchant & M.Lewington, Flora of the
South West (425), [2008] S.W.L.Jacobs, R.D.B.Walley & D.J.B.Wheeler, Grasses
of New South Wales

[2008] S.W.L.Jacobs, R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South
, 4th edn (331).

Perennial. Rhizomes present. Stolons absent. Culms erect, 80–250 cm tall, 3–6
-noded. Mid-culm nodes glabrous. Lateral branches simple. Leaf-sheaths glabrous
on surface or hairy. Leaf-sheath auricles present. Ligule an eciliate membrane,
2–9 mm long. Leaf-blades 20–60 cm long, 4–25 mm wide. Leaf-blade surface
smooth, glabrous.

Inflorescence compound, a panicle of racemes. Racemes 10–30, appressed, 4–14 cm
long, 3–4 mm wide, bearing 80–140 fertile spikelets on each. Central
inflorescence axis 10–30 cm long.

Spikelets sessile and pedicelled. Fertile spikelets 2-flowered, the lower
floret barren (rarely male), the upper fertile, comprising 1 basal sterile
florets, comprising 1 fertile floret(s), without rachilla extension, ovate,
dorsally compressed, 1.6–2.8 mm long.

Glumes. Glumes
thinner than fertile lemma. Upper glume ovate, 1.6–2.8 mm long, membranous,
without keels, 3 -nerved. Upper glume surface indumented. Florets. Basal
sterile florets 1, barren, without significant palea. Lemma of lower sterile
floret 100 % of length of spikelet, membranous, 3 -nerved.

Fertile lemma 1.4–2.6
mm long, without keel.

Continental Distribution:
Europe, Africa, Temperate Asia, Tropical Asia, Australasia, Pacific, North
America, and South America.

: Western Australia, Northern Territory, Queensland, New South
Wales, Victoria, Tasmania.

Western Australia:
Drummond. Queensland: Cook, Darling Downs, Moreton, North Kennedy, Port
Curtis, South Kennedy, Wide Bay, Leichhardt. New South Wales: North
Coast, Central Coast, Central-Western Slopes, South-Western Slopes. Victoria:
Gippsland Plain, Midlands, Wannon. Tasmania: East Coast.

A tall, coarse perennial of little or no economic importance.

Introduced. In
tropical and subtropical rain forests, tropical and subtropical wet sclerophyll
forests, dry sclerophyll forests, and tropical and subtropical sub-humid
woodlands. Flowers Nov.- June.


AVH 2011


Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith