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Title: 25. Gahnia
Contributor(s): Liang, Songyun (author); Bruhl, Jeremy J (author)orcid ; Wilson, Karen (author)
Publication Date: 2010
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Abstract: Herbs, perennial, forming slender to massive tussocks. Roots stout. Rhizomes woody. Culms erect, usually tall and robust, terete, several noded. Leaves linear, deeply many channeled, narrowly crescent-shaped, twisted lengthwise through 180°, involute on drying; ligule present, usually truncate, papery. Inflorescences plumose-paniculate, usually decompound, consisting of several fascicles per node. Spikelets brown or black, numerous, solitary or 2-4 together. Flowers 1 or 2, apical one bisexual, usually with a second more basal one male. Glumes black or dark brown, spirally arranged, papery; basal 3-8 glumes empty, lanceolate, keeled, abaxial surface and margin scabrous, apex acute; apical 2 or 3 glumes smaller than remaining ones, thin at anthesis but becoming thick in fruit, apex obtuse; apicalmost glume bearing a bisexual flower. Perianth bristles absent. Stamens (2 or)3[or 6]; filaments elongating markedly after anthesis, persistent on nutlet and entangled in glumes thereby suspending fruit. Stigmas 3[or 4]. Nutlet ovoid, ellipsoid, obovoid-fusiform, or globose, terete or 3-sided; endocarp blackish, thick, bony. About 30 species: S and SE Asia; three species in China.
Publication Type: Entry In Reference Work
Source of Publication: Flora of China, v.23: Acoraceae through Cyperaceae, p. 257-258
Publisher: Science Press and Missouri Botanical Garden Press
Place of Publication: China and United States of America
ISBN: 9781930723993
Field of Research (FOR): 060310 Plant Systematics and Taxonomy
HERDC Category Description: N Entry In Reference Work
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