Digitaria sharpeana

Digitaria
sharpeana
B.K.Simon. Austrobaileya
9: 196 (2010). Classification. (GPWG 2001) : Subfamily
Panicoideae. Paniceae.

Type of Basionym or
Protologue Information
: Queensland. MoretonDistrict: Sunnybank, Brisbane,
24 March 1934, S.T.Blake 5300 (holo: BRI; iso: NSW, CANB).

Habit.
Perennial. Rhizomes present. Culms erect, 40–90 cm tall, 4–6 -noded. Ligule an
eciliate membrane, 0.1–0.15 mm long. Leaf-blades 5–30 cm long, 2–3 mm wide.

Inflorescence.
Racemes 1(–2), 9–20 cm long, bearing 50–120 fertile spikelets on each.

Spikelets.
Spikelets pedicelled, 3 in the cluster. Fertile spikelets comprising 1 basal
sterile florets, 1 fertile floret(s), without rachilla extension, elliptic,
dorsally compressed, 2–2.5 mm long.

Glumes. Glumes
thinner than fertile lemma, dull. Upper glume elliptic, 1.7–2 mm long,
membranous, 1-keeled, 3 -nerved. Florets. Basal sterile florets 1,
barren, without significant palea. Lemma of lower sterile floret 1 % of length
of spikelet, membranous, 7 -nerved.

Fertile lemma 2–2.5 mm
long, without keel. Grain 2–2.5 mm long.

Continental
Distribution
: Australasia.

Australian
Distribution
: Queensland.

                   Herbrecs 2011

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith