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FOC | Family List | FOC Vol. 22 | Poaceae | Spodiopogon

7. Spodiopogon yuexiensis S. L. Zhong, J. S. W. Agric. Coll. 1982(4): 77. 1982.

白玉大油芒 bai yu da you mang

Perennial, rhizomatous. Culms 0.6–2 m tall, 2–6 mm in diam. Leaf sheaths glabrous; leaf blades lanceolate or linear-lanceolate, 8–30 × 0.3–2.2 cm, glabrous or abaxial surface tuberculate-hispid, margins scabrid, base narrow, apex acuminate; ligule 0.5–1 mm. Panicle open, lanceolate-oblong in outline, 6–27 cm; branches 2–8 cm, much branched, ultimate branchlets articulated, bearded at articulation; racemes mostly reduced to a solitary, readily disarticulating spikelet, or 1 or 2 pedicelled spikelets also present; branchlets and pedicels slender, glabrous, 6–7 mm, as long as or longer than spikelets. Spikelets 4.5–5 mm; callus hairs 2–3 mm, soft; lower glume lanceolate, softly pilose, hairs ca. 2 mm, grayish white or purplish; lower floret staminate, palea well developed; upper lemma 2-lobed to below middle; awn 8–12 mm. Anthers 3–3.5 mm. Fl. and fr. Jul–Nov.

* Roadsides, river banks, thickets; 1600–3000 m. W Sichuan.

Most spikelets on the type of Spodiopogon yuexiensis fall singly without any trace of an attached rachilla segment or pedicel.

The name "Spodiopogon baiyuensis L. Liu" (Fl. Reipubl. Popularis Sin. 10(2): 57. 1997) belongs here, but was not validly published because no Latin description was provided.


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