Arundinella grevillensis B.K.Simon. Austrobaileya 1:463 (1982).
Classification. (GPWG 2001) : Subfamily Panicoideae. Arundinelleae.
Type of Basionym or
Protologue Information: Australia: Queensland: Mt. Greville, Simon &
Sharpe 2528 (HT: BRI-227421; IT: CANB).
Key references
(books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia.
Derivation: L.
-ensis, denoting origin. From Mt. Greville, south-east Queensland,
Australia.
Habit.
Perennial. Rhizomes present, elongated. Culms 12–25 cm tall. Lateral branches
sparsely branched. Leaves mostly basal. Leaf-sheaths hairy. Ligule a fringed
membrane, a ciliolate membrane, 1 mm long. Leaf-blades straight, filiform,
involute, 4–7 cm long, 1 mm wide. Leaf-blade surface indumented.
Inflorescence.
Inflorescence compound, a panicle. Panicle oblong, 4–8 cm long.
Spikelets.
Spikelets 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, elliptic, laterally
compressed, 5 mm long.
Glumes. Glumes
thinner than fertile lemma. Lower glume ovate, membranous, keeled, 1-keeled,
3–7 -nerved. Upper glume ovate, 5 mm long, membranous, keeled, 1-keeled, 5
-nerved. Florets. Basal sterile florets 1, male, with palea. Lemma of
lower sterile floret 100 % of length of spikelet, membranous, 1-keeled, 5
-nerved.
Fertile lemma 2.5 mm
long, without keel. Lemma apex awned, 1 -awned. Median (principal) awn 4.5 mm
long overall, with a twisted column. Palea 2 -nerved. Lodicules present.
Anthers 3. Grain 1 mm long.
Continental
Distribution: Australasia.
Australian
Distribution: Queensland.
Queensland:
Moreton.
Notes. Known
only from the trachyte rocks of some mountain peaks of SE Qld.
