Poa clivicola Vickery
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Derivation
Poa L., Sp. Pl. 67 (1753); from the Greek poa (grass, especially
as fodder).
clivicola- from the Latin clivus (hill) and -cola (dweller). Mountain species.
Published in
Contr. New South Wales Natl Herb. 4: 213 (1970).
Habit
Perennial, tufted. Basal leaf sheaths herbaceous, pallid, glabrous. Young shoots
intravaginal. Culms slender, 1560 cm tall, 12-noded. Mid-culm internodes
terete, smooth, glabrous. Mid-culm nodes glabrous. Lateral branches simple.
Leaves mostly basal. Leaf-sheaths smooth or scaberulous, glabrous on surface.
Ligule a fringed membrane, 0.41.5 mm long, truncate. Leaf-blades erect,
filiform, involute, 315 cm long, 0.20.4 mm wide, rigid. Leaf-blade
surface scaberulous, glabrous.
Inflorescence
Inflorescence compound, a panicle. Peduncle smooth. Panicle open, elliptic,
effuse, 212 cm long. Primary panicle branches 25-nate, sparsely
divided. Panicle branches capillary, scaberulous.
Spikelets
Spikelets solitary. Pedicels scaberulous. Fertile spikelets many flowered, comprising
27 fertile florets, with diminished florets at the apex, oblong, laterally
compressed, 3.88 mm long, breaking up at maturity. Spikelets disarticulating
below each fertile floret. Rhachilla internodes smooth. Floret callus glabrous.
Glumes
Glumes persistent, similar. Lower glume lanceolate, 2.42.6 mm long, 90%
length of upper glume, membranous, 1-keeled, 3-nerved, midnerve scabrous. Lower
glume surface smooth or asperulous, rough above. Lower glume apex acute. Upper
glume lanceolate, 2.63 mm long, membranous, 1-keeled, 13-nerved,
midnerve scabrous. Upper glume surface smooth or asperulous, rough above. Upper
glume apex acute.
Florets
Fertile lemma oblong, lanceolate in profile, 34 mm long, membranous, 5-nerved.
Lemma midnerve smooth or scaberulous, eciliate or ciliolate, hairy below. Lemma
margins eciliate or ciliolate, hairy at base. Lemma apex acute. Palea 90%
of length of lemma. Palea keels scabrous, adorned above. Palea surface smooth
or scabrous. Apical sterile florets resembling fertile though underdeveloped.
Lodicules 2, membranous. Anthers 3, 1.52.5 mm long, yellow or purple.
Grain with adherent pericarp. Hilum punctiform.
Continental Distribution:
Australasia.
Australian Distribution:
New South Wales, Victoria.
New South Wales: Northern Tablelands, Southern Tablelands. Victoria: Snowfields, East Gippsland.
Classification. (GPWG
2001):
Pooideae: Poeae
Notes
Endemic. Open eucalypt woodland, swampy plain, open grassland, frost hollows,
apparently usually in wet sites. Flowers Dec.Feb. Fruits Feb.?.
Inflorescence (photo)
© Queensland Herbarium
Sharp 102 and Simon
by D.Sharp