Pseudoraphis minuta


Pseudoraphis minuta (Mez)Pilger. Notizbl.
Bot. Gart. Berlin-Dahlem
10: 210(1928).

Classification. (GPWG 2001) : Subfamily
Panicoideae. Paniceae.

Basionym and/or
Replacement Name:
 Chamaeraphis
minuta
Mez, Notizbl. Bot. Gart. Berlin-Dahlem 7: 48 (1917).

Type of Basionym or
Protologue Information
: ST: C.B. Clarke 17040, no date, Vietnam:
Bengalia inferior prope Daccar (B; IST: US-865690 (fragm. ex B)). ST: B.
Balansa 1593
, no date, Vietnam:
Tonkin, prope Hanoi
ad paludum margines (P; IST: US-865691 (fragm. ex P)). ST: B. Balansa 1592,
no date, Vietnam: Tonkin,
prope Hanoi ad
paludum margines (P; IT: US-865692 (fragm. ex P)). ST: B. Balansa 4779,
no date, Vietnam: Tonkin,
prope Hanoi ad
paludum margines (B(fragm., US-865693)). From berlin. ST: Kurz, Burma
ST: Keenan, Cachar.

Key references
(books and floras):
[2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia
.

Habit.
Perennial. Stolons present. Culms prostrate, 30–35 cm tall, 3–6 -noded.
Mid-culm nodes pubescent. Ligule an eciliate membrane. Leaf-blades floating,
2.5–4 cm long, 3–4 mm wide.

Inflorescence.
Inflorescence compound. Racemes numerous, spreading, 2–3 cm long, bearing 5–10
fertile spikelets on each. Central inflorescence axis 4.5–5 cm long.

Spikelets.
Spikelets sessile. Fertile spikelets 2-flowered, the lower floret barren
(rarely male), the upper fertile, comprising 1 fertile floret(s), without
rachilla extension, lanceolate, dorsally compressed, 3.5–4 mm long.

Glumes.
Glumes dissimilar, thinner than fertile lemma. Lower glume oblate, hyaline,
without keels, 0 -nerved. Lower glume surface glabrous or indumented. Upper
glume elliptic, membranous, without keels, 7–9 -nerved. Upper glume surface
glabrous or indumented. Florets. Basal sterile florets 1, male or barren,
with palea. Lemma of lower sterile floret 50–66 % of length of spikelet,
membranous, 7–9 -nerved.

Fertile lemma 1.2 mm
long, without keel. Palea without keels. Anthers 3.

Continental
Distribution
: Tropical Asia, or Australasia.

Australian
Distribution
: Northern Territory, Queensland.

Northern Territory: Darwin &
Gulf. Queensland:
North Kennedy.

   

AVH 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