Rytidosperma remotum (D.I. Morris) A.M.
Humphreys & H.P. Linder. Ann. Mo. Bot. Gard. .
Classification. (GPWG 2001) : Subfamily Danthonioideae. Tribe
Danthonieae.
Basionym and/or
Replacement Name: Danthonia
remota D. I. Morris, Muelleria 7(2): 160–162, f. 10, 11a (1989).
Type of Basionym or
Protologue Information: Australia: Tasmania: summit of Hibbs Pyramid, 4 Feb
1984, A.M. Buchanan 2878 (HT: HO-91392).
Recent synonyms:
Notodanthonia remota (D.I. Morris) H.P.Linder, Austrodanthonia remota
(D.Morris) H.P. Linder.
Key references
(books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia.
Derivation: L.
distant. From an isolated locality.
Habit.
Perennial. Culms erect, stature slender to delicate, 6–20 cm tall. Leaf-sheaths
smooth. Ligule a fringe of hairs, 1 mm long. Leaf-blades filiform, involute,
2–4 cm long, 1 mm wide. Leaf-blade surface smooth.
Inflorescence.
Inflorescence solid, a panicle. Panicle ovate, 1.5–3 cm long.
Spikelets.
Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets (4–5), comprising 4–5 fertile floret(s), with diminished florets at the
apex, cuneate, laterally compressed, 9–12 mm long.
Glumes. Glumes
similar, thinner than fertile lemma. Lower glume lanceolate, membranous,
without keels, 9–13 -nerved. Upper glume lanceolate, 9–12 mm long, membranous,
without keels, 7 -nerved.
Florets.
Fertile lemma 2.2–2.8 mm long, without keel. Lemma apex lobed, awned, 3 -awned.
Median (principal) awn from a sinus, 7.5–9 mm long overall, with a twisted
column. Column 2.5 mm long. Lateral lemma awns present. Palea apex dentate.
Lodicules present. Anthers 3. Grain 1.6 mm long.
Continental Distribution:
Australasia.
Australian
Distribution: Tasmania.
Tasmania: West
Coast.
Notes. Related
to R. pilosum, but differs by the shorter awns, the longer setae, the
shape of the lodicules, and several other minor differences.
Tasmanian
endemic, altitude 70 m, localised on rock outcrop. Flowers Dec.
