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Taiwan Gramineae | Family List | Poaceae | Anthoxanthum

Anthoxanthum odoratum L., Sp. Pl. ed. 1,. 28. 1753. T.Koyoama, Grass. Jap. Neighb. Reg. 221, 1987; Osada, Illust. Grass. Jap. 270, 1993; Kuoh et al., Taiwania 44(4): 514. 1999.


Anthoxanthum odoratum

Credit: CS Kuoh

Perennials, withot conspicuous rhizome. Culms tufed, erect slender, 20-60 cm tall, 1 mm in diameter. Leaves radical and caline. Blades short-linear, 2-13 cm long, 2-4 mm wide, flat, soft, generally sparsely pilose on both surfaces; ligules 3.5 mm long, white hyaline; sheath sparsely pilose. Panicle erect, contrated and spike-like, lanceolate, 2-4.5 cm long, 5-10 mm wide, contiguous or somewhat intrrupted with vestige branches below, ligt green and eventually yellow-brown; branches short, scabrous, sparsely pilose. Spikelets on pubescent short pedicel, lanceolate, 7-8 mm long, compressed, shiny, 3-flowered, the lower tw sterile, and the uppermost one perfect and fertile; glumes unequal, strongly folded with acute keel, the keel scabrous above, sometime hairy on keel; the lower glume narrowly ovate, hyaline, 3.5-4 mm long, 1-nerved; the upper glume widely lanceolate, dotted, 7-8 mm long, 3-nerved. Both sterile lemmas narrowly oblong, 3 mm long, brownish, pubescent with brown hairs except at bilobed apex; the lower lemma with a straight awn arising at 1/4 from the base. Fertile lemma obovate, 2 mm long, glabrous, smooth, faintly 3-nerved. Palea lanceolate oblong, 1-nerved. Anthers 2, each 3.5-4 mm long.

NANTOU: Jenai Hsiang Tienchih, Kuoh s.n. Apr. 10. 1999.

Native to Europe and Siberia.

A new introduced grass at 2,000 m alt. in central Taiwan


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