donax Giant reed

Introduction The Arundo contains 5 species occurring in tropical and subtropical regions. Two species are recorded from China[122].

Species of Arundo in China

Scientific Name L. A. formosana Hack

Taxonomy 2-4 florets, is 10-12 mm in length. high fibrin content, A. donax is used Order: Graminales Glumes are lanceolate, nearly identical for paper making and artificial silk. Suborder: Gramineae in size, and 3-5 veined, the lower Historically the entire was Family: Gramineae () lemma is 8-10 mm long, and about used as building material for rural Subfamily: Arundioideae 4-5 mm for the upper. The flowers cottages. It is also used for Tribe: Arundineae and fruits appear from September to forage[58, 122]. Subtribe: Arundinae Bews December[58, 84, 87, 122]. Genus: Arundo L. Species: Arundo donax L. Habitat Related Species A. donax prefers sandy soil along A. donax var. coleotricha Hack, Description riverbanks and roadsides[122]. native to Taiwan, can be distinguished Aundo donax is an erect, perennial from A. donax by the densely hairy grass that can grow to a height of 3-6 Distribution leaf sheath. A. donax var. versiocolor m. The culms reach a diameter of 1-4 A. donax occurs in Guangdong, Stokes, has graceful stripes on the cm, are hollow, with walls 2 to 7 mm Guangxi, Guizhou, Hainan, Hunan, leaves. The much shorter A. formosana, thick and divided by partitions at the Jiangsu, Jiangxi, Sichuan, Yunnan, with a height of 60-120 cm, is also nodes. The nodes vary in length from and Zhejiang provinces[58, 122] and it reported from Taiwan[58, 77, 122]. 12-30 cm. The leaf sheath is glabrous is cultivated in Henan, Hubei and and longer than the internode. Leaves Shandong provinces[9, 30, 53]. are conspicuously 2-ranked, 30-50 cm Natural Enemies of Arundo long and 5-8 cm broad at the base and Five fungi and one have tapering to a fine point. Leaf bases Economic Importance been recorded in association with are cordate and persistent. The large The culm of A. donax is sometimes of the genus Arundo. plume-like panicles are erect, 30-60 used for making reeds for musical cm long. The spikelet, composed of wind instruments. Because of its

Fungi Phylum Family Species H. R. Ref. p [73] Meliolaceae Meliola arundinis Pat. Ascomycota po [26] Phyllachoraceae Phyllachora arundinis Sawada mo [26] Basidiomycota Pucciniaceae Puccinia arundinis-donacis T. Hirats. m [170] Anamorphic Splanchnonema Helminthosporium arundinis Sawada mo [26] Anamorphic Uredinales Uredo arundinis-donacis F.L. Tai m [26]

Invasive Plants Established in the United States that are Found in Asia and Their Associated Natural Enemies – Volume 2 — 1 Order Family Species H. R. Ref. albovenosa (Goeze) p [15]

Recorded as Arsilonche albovenosa (Goeze)

2 — Invasive Plants Established in the United States that are Found in Asia and Their Associated Natural Enemies – Volume 2