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Parapholis strigosa (Dumort.) C.E.Hubb.

Common name
Slender Barbgrass

Derivation
Parapholis C.E.Hubb., Blumea Suppl. 3: 14 (1946); from the Greek para (near) and Pholiurus (a related grass genus, q.v.); alternatively, from the Greek para (beside) and pholis (scale), alluding to the collateral glumes.

strigosa- Latin for covered with short, bristle-like hairs. One or more organs covered with bristle-like hairs.

Published in
Blumea Suppl. 3: 14 (1946).


Habit
Annual, tufted. Culms geniculately ascending, 5–48 cm tall. Ligule an eciliate membrane, 0.3–1 mm long. Leaf-blades 1–12.5 cm long, 0.4–2.5 mm wide. Leaf-blade surface scaberulous. Leaf-blade margins scaberulous.

Inflorescence
Inflorescence solid, a raceme. Raceme 1, straight, smoothly terete, bilateral, 1–20 cm long. Rhachis fragile at the nodes, subcylindrical and excavated, 1–1.5 mm wide. Spikelet packing broadside to rhachis, lax. Raceme internodes oblong, 4–7 mm long. Raceme internode tip transverse.

Spikelets
Spikelets sunken, solitary. Fertile spikelets 1-flowered, comprising 1 fertile floret, without rhachilla extension, oblong, laterally compressed, 3–7 mm long, falling entire, deciduous with accessory branch structures.

Glumes
Glumes collateral, similar, firmer than fertile lemma. Lower glume lanceolate, 3–7 mm long, equalling upper glume, coriaceous, 3–5-nerved. Lower glume lateral nerves ribbed. Lower glume apex acute. Upper glume lanceolate, 3–7 mm long, 110% of length of adjacent fertile lemma, coriaceous, 3–5-nerved. Upper glume lateral nerves ribbed. Upper glume apex acute.

Florets
Fertile lemma ovate, 2.5–5.5 mm long, membranous, 1–3-nerved. Lemma lateral nerves less than two thirds length of lemma. Lemma apex acute. Palea 100% of length of lemma. Anthers 3, 2–4 mm long. Grain with adherent pericarp, ellipsoid or oblong or ovoid. Hilum elliptic. Endosperm liquid.


Continental Distribution:
Europe, Africa, Australasia, North America.

Australian Distribution:
New South Wales, Victoria, Tasmania.

New South Wales: South-Western Plains, South Far Western Plains. Victoria: Murray Mallee, Lowan Mallee, Wannon, Riverina, Victorian Volcanic Plain, Otway Plain, Gippsland Plains, Wilsons Promontory, East Gippsland. Tasmania: North West, North East.

Classification. (GPWG 2001):
Panicoideae: Poeae

Notes
Introduced. Native to the coasts of western Europe and the Mediterranean. Usually on coastal dunes and saltmarshes. Flowers Sept.–Jan. Fruits Feb. ?.


Images
Illustrations available:
Spikelet (line drawing)
Australian distribution



Spikelet (line drawing)
© Flora of Victoria pg 442


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Australian Distribution
© ABRS


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