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Poa sieberiana Spreng.
Family Poaceae
Poa sieberiana Spreng. APNI*

Description: Densely caespitose, usually greyish green perennial to 1 m high with intravaginal innovations.

Leaves with sheath scabrous or smooth; ligule 0.1–1 mm long, truncate, firm; blade inrolled-terete or angular-terete, fine to very fine, 0.2–0.7 mm wide, straight or curved to flexuous, usually scabrous.

Panicle 3–20 cm long, at first contracted, pyramidal at maturity with widely spreading branches. Spikelets compressed, 2–7-flowered, 2.5–6 mm long. Glumes acute to subacuminate, 1.5–3 mm long, lower 1–3-nerved, upper 3-nerved. Lemmas rather obtuse to subacute, 1.8–4 mm long, 5-nerved, usually shortly hairy all over the lower part of the back; web rather scanty or frequently absent. Palea finely scabrous on the keels above and usually finely ciliate below.

Photo D. Hardin

Photo D. Hardin


Flowering: most of the year.

Distribution and occurrence: A variable grass of wide distribution and growing in many habitats.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS, SWS, NWP, SWP
Other Australian states: Qld Vic. Tas.
AVH map***

Text by S. W. L. Jacobs & S. M. Hastings
Taxon concept: Flora of NSW 4 (1993)

 Key to the varieties 
1Leaves narrow or flat, scabrous or with dense very short hairs2
Leaves narrow with sparse, stiff hairsvar. hirtella
2Leaves with blade distinctly green (often a dull green)var. sieberiana
Leaves bluish green and very narrow, often thread-like
                       Back to 1
var. cyanophylla

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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