Walwhalleya jacobsiana R,D.B.Whalley & J.J.Bruhl. Telopea 13 (1–2): 85 (2011).
Classification. (GPWG 2001) : Subfamily Panicoideae. Paniceae.
Habit.
Perennial. Culms erect, 10–20 cm tall. Mid-culm internodes hollow, glabrous.
Mid-culm nodes glabrous. Lateral branches sparsely branched. Leaf-sheaths
glabrous on surface. Ligule an eciliate membrane, 1.5–2.8 mm long, entire or
erose, truncate or obtuse. Leaf-blades involute, 4–10 cm long, 1.6–2.5 mm wide.
Leaf-blade surface scaberulous, indumented.
Inflorescence.
Panicle oblong, 4–8 cm long.
Spikelets.
Spikelets pedicelled. Fertile spikelets comprising 1 basal sterile florets, 1
fertile floret(s), without rachilla extension, elliptic, dorsally compressed,
2.5–2.9 mm long. Rhachilla internodes elongated between glumes.
Glumes. Glumes
similar to fertile lemma in texture, dull. Lower glume ovate, membranous, without
keels, 5–7 -nerved. Upper glume elliptic, 2.2–2.6 mm long, membranous,
1-keeled, 7–9 -nerved. Florets. Basal sterile florets 1, barren, without
significant palea. Lemma of lower sterile floret 1 % of length of spikelet,
chartaceous, 7–9 -nerved.
Fertile lemma 1.7–2.1
mm long, without keel.
Continental
Distribution: Australasia.
Australian
Distribution: South Australia.
South
Australia: Flinders
Ranges.