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Graminae: Glyceria drummondii

Unknown Collector, 390

Species

Glyceria drummondii (Steudel) C.E.Hubb.

Original Distribution

Australia

Habitat

Often found in the Australian Southwest Grain Belt

Extinction Data

IUCN = N/a, FloraBase = Extinct, Listed Extinct by WCMC 1996

Description

INFLORESCENCE Inflorescence a panicle; exserted, or embraced at base by subtending leaf. FERTILE SPIKELETS Spikelets comprising 514 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 1030 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 34 mm long. GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume oblong; 0.51 mm long; 0.33 times length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume oblong; 1.52.5 mm long; 0.25 times length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex obtuse. FLORETS Fertile lemma ovate; 68 mm long; membranous; much thinner above; without keel; 7 -veined. Lemma surface scaberulous. Lemma apex obtuse. Palea 1.1 times length of lemma; 2 -veined. Palea keels scabrous. Apical sterile florets resembling fertile though underdeveloped. FLOWER Lodicules 2; united; oblong; fleshy; truncate. Anthers 3.FRUIT Caryopsis with adherent pericarp. Hilum linear. HABIT Annual. Culms decumbent; 50100 cm long; spongy. Leaf-sheaths tubular for much of their length; with 1 of their length closed; smooth; glabrous on surface. Ligule an eciliate membrane. Leaf-blades 1015 cm long; 38 mm wide. Leaf-blade surface scaberulous; rough adaxially; glabrous.

Number of Specimens at Kew

4

Specimen Type (Y/N)

Y

Kew Herbcat Barcode Number

K000518037

Collector Number

390

Other Information

FloraBase = Rare = This Extinct list was originally (1997) compiled with the assistance of the Center for Plant Conservation -- Hawaii and presents the most up-to-date information for each species listed.individuals have not been seen and habitat has been lost.

Information Sources

Briggs, J.D. & Leigh, J.H. (1996) Rare or threatened Australian Plants. CSIRO publishing, Melbourne.Walter, K.S. and Gillett, H.J. (eds) (1998). 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre IUCN The World Conservation Union, Gland, Switzerland and Cambridge, UK.