Arundinella montana S. T. Blake. Univ. Queensland Dept. Biol. Pap 1(18): 16 (1941).
Classification. (GPWG 2001) : Subfamily Panicoideae. Arundinelleae.
Type of Basionym or
Protologue Information: Moreton Dist., Mt. Ngungun, in rock crevices,
300–700 ft one of the abundant plants on the upper part of the mountain, Blake
14143.
Key references
(books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia.
Derivation: L. mons,
mountain; -ana, indicating location. Growing on mountains.
Habit.
Perennial. Rhizomes present, short. Culms 30–90 cm tall, 5–13 -noded. Lateral
branches simple or sparsely branched. Leaf-sheaths glabrous on surface or
hairy. Ligule a fringed membrane, a ciliolate membrane, 0.5–0.7 mm long,
truncate. Leaf-blades straight, involute, 5–19 cm long, 1.5 mm wide.
Inflorescence.
Inflorescence compound, a panicle. Panicle linear or lanceolate, 8–23 cm long,
1–3 cm wide, contracted about primary branches.
Spikelets.
Spikelets pedicelled, 2 in the cluster. 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,
lanceolate, laterally compressed, 4–5.2 mm long.
Glumes. Glumes
dissimilar, thinner than fertile lemma, shiny. Lower glume ovate, membranous,
keeled, 1-keeled, 3–7 -nerved. Lower glume apex awned. Upper glume lanceolate,
membranous, keeled, 1-keeled, 5–7 -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 2.75–3
mm long, without keel, 5 -nerved. Lemma apex entire or dentate or lobed, awned,
1 -awned. Median (principal) awn from a sinus, 3.8–6 mm long overall, with a
twisted column. Column 1–2 mm long. Palea 2 -nerved. Lodicules present. Anthers
3. Grain 1.4 mm long.
Continental
Distribution: Australasia.
Australian
Distribution: Queensland.
Queensland:
Darling Downs, Moreton.
Notes. Known
only from the trachyte rocks of the Glass House Mountains, Mt Barney, Mt Ernest
and Mt Maroon, SE Qld.
