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

8. Glyceria spiculosa (F. Schmidt) Roshevitz in B. Fedtschen­ko, Fl. Zabaik. 1: 85. 1929.

狭叶甜茅 xia ye tian mao

Scolochloa spiculosa F. Schmidt, Reis. Amur-Land., Bot. 201. 1868; Glyceria longiglumis Handel-Mazzetti; G. paludi-ficans Komarov.

Perennial, rhizomatous. Culms erect, rooting and sometimes branching from lower nodes, 50–120 cm tall, 2–7 mm in diam. Leaf sheaths smooth or slightly scabrid; leaf blades flat or margins rolled, stiff, 20–30 cm × 3–5 mm, abaxial surface green, smooth, adaxial surface grayish green, scabrid, apex acuminate; ligule 0.8–3 mm. Panicle somewhat contracted before flowering, becoming laxer, 10–25 cm, exserted; branches 2–4 per node, obliquely ascending, slender, smooth or sparsely scabrid. Spikelets elliptic to ovate, 4–8(–10) mm, florets 5–8, yellowish green, whitish gray or purplish; glumes lanceolate, membranous, 1-veined, lower glume 2.7–4 mm, upper glume 3.5–4.5 mm, ca. 3/4 as long as adjacent lemma or more, acuminate; lemmas narrowly oblong-lanceolate, 3.5–4.8 mm, thinly herbaceous, often minutely granular, 7-veined, veins scabrid, apex membranous, acute; palea as long as or slightly shorter than lemma, keels wingless, scabrid. Stamens 3, anthers 1–2 mm. Fl. Jun–Jul. 2n = 40.

Wet meadows, lake shores, swamps. Heilongjiang, Liaoning, Nei Mongol [N Korea, Russia (Far East, E Siberia)].


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