Amphibromus whitei C.E.Hubb. Bull.
Misc. Inf. Kew 30 (1941).
Classification. (GPWG 2001) : Subfamily Pooideae.
Tribe Poeae.
Type of Basionym or
Protologue Information: Australia: Queensland: Maranoa District: Roma, on
edge of large fresh-water swamp, 25 Oct 1933, White 9580 (HT: K; IT:
BRI).
Key references
(books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia, [2009] A.Wilson (ed.). Flora of Australia, Vol 44A. Poaceae
2 (132).
Illustrations:
[1983] J.C.Tothill & J.B.Hacker, Grasses of Southern Queensland
(92).
Derivation: in
honor of Cyril Tenison White (1890–1950) Australian botanist.
Habit.
Perennial. Culms erect or geniculately ascending, 20–35 cm tall, 3 -noded.
Lateral branches simple. Leaves mostly basal. Leaf-sheaths scaberulous. Ligule
an eciliate membrane, 4–8 mm long. Leaf-blades 7–15 cm long, 1–1.8 mm wide.
Leaf-blade surface glabrous.
Inflorescence.
Inflorescence compound, a panicle. Panicle lanceolate, 5–10 cm long, 1–1.5 cm
wide.
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, oblong, laterally compressed, 6–10 mm long.
Glumes. Glumes
similar, thinner than fertile lemma. Lower glume ovate, membranous, without
keels, 1–3 -nerved. Upper glume ovate, 2.3–3 mm long, membranous, without
keels, 3 -nerved.
Florets.
Fertile lemma 3–4.5 mm long, without keel, 7 -nerved. Lemma apex dentate,
awned, 1 -awned. Median (principal) awn dorsal, 8–14 mm long overall, with a
twisted column. Anthers 1–3. Grain 1.3 mm long.
Continental
Distribution: Australasia.
Australian
Distribution: Queensland.
Queensland:
Maranoa.
Notes.
Known only from the type location, Qld.
