GrassBase - The Online World Grass Flora

Descriptions

W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Dallwatsonia

HABIT Perennial. Culms erect; 70–130 cm long. Lateral branches sparse. Ligule a ciliolate membrane.

INFLORESCENCE Inflorescence a panicle.

Panicle open.

Spikelets solitary, or in pairs. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5–4 mm long; falling entire. Rhachilla internodes elongated between glumes.

GLUMES Glumes thinner than fertile lemma. Lower glume ovate; membranous; 5 -veined. Lower glume surface without pits. Lower glume apex acute. Upper glume lanceolate; membranous; without keels; 6–7 -veined. Upper glume apex laterally pinched.

FLORETS Basal sterile florets barren; with palea. Lemma of lower sterile floret lanceolate; membranous; laterally pinched at apex. Fertile lemma lanceolate; dorsally compressed; membranous; without keel; wingless. Lemma surface unwrinkled; without grooves. Lemma apex acute. Palea gaping.

FLOWER Anthers 3.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Australasia.

Please cite this publication as detailed in How to Cite Version: 27th January 2014.