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

1b. Arrhenatherum elatius var. bulbosum (Willdenow) Spenner, Fl. Friburg. 1: 113. 1825.

球茎燕麦 qiu jing yan mai

Avena bulbosa Willdenow, Ges. Naturf. Freunde Berlin Neue Schriften 2: 116. 1799; Arrhenatherum avenaceum P. Beauvois var. nodosum Reichenbach, nom. illeg. superfl.; A. bulbosum (Willdenow) C. Presl; A. elatius subsp. bulbosum (Willdenow) Schⁿbler & G. Martens; A. elatius var. nodosum Hubbard, nom. illeg. superfl.; Holcus avenaceus Scopoli var. bulbosus (Willdenow) Gaudin; H. bulbosus (Willdenow) Schrader.

Basal internodes of culm swollen into globose corms 6–10 mm in diam.; nodes often hairy.

Cultivated in China as an ornamental garden plant [native to SW Europe].

A variegated form with white margins to the leaf blades has been named Arrhenatherum elatius f. variegatum Hitchcock (银边草 yin bian cao).


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