Entolasia stricta (R.Br.) Hughes |
Common name
Wiry Panic
Derivation
Entolasia Stapf, in D.Prain, Fl. Trop. Afr. 9: 739 (1920), from
the Greek entos (within) and lasios (hairy). Fertile lemma hairy.
stricta- Latin for erect. Inflorescence branches erect.
Published in
Bull. Misc. Inform. 331 (1923).
Habit
Perennial, tufted. Rhizomes short. Basal leaf sheaths pilose. Culms geniculately
ascending or decumbent or sprawling, 2080(120) cm tall, wiry, 410-noded,
without nodal roots or rooting from lower nodes. Mid-culm internodes scaberulous,
glabrous or hirsute, with tubercle-based hairs. Leaf-sheaths glabrous on surface
or hairy. Ligule a fringe of hairs, 0.20.6 mm long. Leaf-blades disarticulating
from the sheaths, involute, 0.510 cm long, 17 mm wide, rigid. Leaf-blade
midrib indistinct. Leaf-blade surface scaberulous or scabrous, glabrous or hirsute,
with tubercle-based hairs. Leaf-blade margins cartilaginous. Leaf-blade apex
attenuate, hardened.
Inflorescence
Inflorescence compound, a panicle of racemes. Racemes 29, erect, unilateral,
27 cm long, bearing 210 fertile spikelets on each (secondary), simple
or secondarily branched. Central inflorescence axis 210 cm long. Rhachis
angular, scaberulous on margins. Spikelet packing adaxial, regular, 2-rowed.
Spikelets
Spikelets solitary. Pedicels linear, flattened, 0.51.5 mm long. Fertile
spikelets 2-flowered, comprising 1 fertile floret, lower floret sterile, upper
fertile, without rhachilla extension, elliptic or oblanceolate, dorsally compressed,
obtuse or subacute, 2.253.7 mm long, 0.91.4 mm wide, falling entire.
Glumes
Glumes dissimilar, thinner than fertile lemma. Lower glume ovate, 0.41.3
mm long, 2533% of length of spikelet, membranous, 01-nerved.
Lower glume lateral nerves absent. Lower glume apex acute or acuminate. Upper
glume elliptic, 2.253.6 mm long, 100% of length of adjacent fertile
lemma, 100% of length of spikelet, herbaceous, 5-nerved. Upper glume surface
smooth or asperulous, rough on nerves. Upper glume apex acute, mucronate.
Florets
Basal sterile floret 1, without significant palea. Lemma of lower sterile floret
similar to upper glume, elliptic, 2.253.6 mm long, 100% of length
of spikelet, herbaceous, 5-nerved, smooth or scaberulous, rough on nerves, acute.
Fertile lemma elliptic, dorsally compressed, 2.253.5 mm long, coriaceous,
5-nerved. Lemma lateral nerves obscure. Lemma surface pubescent. Lemma margins
involute. Lemma apex obtuse or acute. Palea involute, coriaceous, 2-nerved.
Palea surface pubescent. Anthers 0.81.1 mm long.
Continental Distribution:
Tropical Asia, Australasia.
Australian Distribution:
Queensland, New South Wales, Victoria.
Queensland: Cook, North Kennedy, South Kennedy, Port Curtis, Leichhardt, Burnett, Wide Bay, Darling Downs, Moreton. New South Wales: North Coast, Central Coast, South Coast, Northern Tablelands, Central Tablelands, Southern Tablelands, North-Western Slopes, Central-Western Slopes. Victoria: Gippsland Plains, East Gippsland.
Classification. (GPWG
2001):
Panicoideae: Paniceae
Notes
Native. Occurs in forested areas of eastern Australia and extends into New Guinea.
Flowers throughout the year.
Inflorescence (photo)
© Queensland Herbarium
Sharp 12 and Simon
by D.Sharp