Compilation
Phalaris arundinacea

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Name

Identification
Phalaris arundinacea L. [family POACEAE ]
Related name
  • Phalaris arundinacea

Flora

Entry for PHALARIS arundinacea L. [family POACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, Part (Part 1), page 1, (1970) Author: W. D. Clayton
Names
PHALARIS arundinacea L. [family POACEAE], Sp. Pl.: 55 (1753); Ann. list grasses Ug.: 38 (1947); R.K.G.: 35 (1958); I.G.U.: 49 (1960); G.T.: 18 (1965). Type: Europe, Sweden (LINN, holo.!)
PHALARIS arundinacea Pilg. subsp. oehleri [family POACEAE], in E.J. 43: 91 (1909) & in N.B.G.B. 9: 507 (1926). Type: Tanganyika, Masai/Mbulu District, Lake Ossirwa, Oehler in Jaeger 500 (B, holo.!)
Information
Perennial from scaly creeping rhizomes. Culms 50–150 cm. tall. Leaf-blades up to 20 cm. long and 15 mm. wide. Panicle 7–40 cm. long, dense, lobed or interrupted, with short branches up to 5 cm. long, these spreading at anthesis but otherwise contracted about the main axis. Glumes 3.5–7.5 mm. long, acute, wingless or with a very narrow and inconspicuous wing on the keel; sterile florets 2, subulate, 1.2–2.3 mm. long, villous; fertile floret lanceolate, 2.7–4.5 mm. long, dull yellow to grey-brown, sparsely pubescent. Fig. 32.
Range
DISTR. K3, 4, 6; T2 N. temperate regions; now introduced to most parts of the world
Altitude range
1950–3000 m.
Distribution
KENYA Fort Hall District Chania R,., 21 Mar. 1959, Greenway 9564!KENYA Kiambu District near Uplands Railway Station, Lari Swamp, 15 Oct. 1950, Bogdan 2836!KENYA Masai District 29 km. on Olokurto–Elburgon road, 14 May 1961, Glover, Gwynne & Samwell [ Paulo ] 1042!TANGANYIKA Masai District Ol’Moti Crater, floor on eastern side, 8 Dec. 1956, Greenway 9147! & Ngorongoro, 21 Nov. 1956, Tanner 3270! & 7 Jan. 1963, Napper 1682!
Notes
A few specimens from the Kigezi District of Uganda (Liebenberg 370!, Snowden 1457A!, A. S. Thomas 1192!) have two fertile florets in addition to the two sterile florets. In other respects the plants resemble the normal form of the species.

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