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Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Zoysia pacifica
HABIT Perennial; mat forming; clumped densely. Stolons present. Culms prostrate; 5–10 cm long; wiry. Lateral branches ample. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs ciliate; 2–5 mm long. Ligule a ciliate membrane. Leaf-blades filiform; 4–6 cm long; 1 mm wide.
INFLORESCENCE Inflorescence composed of racemes.
Racemes 1; single; multilateral; 1–1.5 cm long; bearing 6–12 fertile spikelets on each. Spikelet packing lax.
Spikelets ascending; solitary. Fertile spikelets pedicelled. Pedicels 1–1.6 mm long; scabrous; tip widened.
FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 2–3 mm long; 0.6 mm wide; falling entire.
GLUMES Glumes one the lower absent or obscure; exceeding apex of florets; firmer than fertile lemma; shiny. Upper glume lanceolate; 2–3 mm long; 1 length of spikelet; coriaceous; without keels; 5 -veined. Upper glume primary vein obscure. Upper glume apex acute; muticous, or mucronate.
FLORETS Fertile lemma oblong; 2–2.5 mm long; hyaline; without keel; 1 -veined. Palea absent or minute.
FLOWER Anthers 3; 0.6–0.8 mm long.
DISTRIBUTION Asia-temperate: eastern Asia. Asia-tropical: Indo-China, Malesia, and Papuasia. Pacific: south-central and northwestern.
NOTES Cynodonteae. Fl China 2009.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.