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DICHANTHIUM aristatum (Poir.) C.E. Hubbard [family POACEAE]

Date Updated: 19 August 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 451, (1982) Author: W. D. CLAYTON and S.A. RENVOIZE
Names
DICHANTHIUM aristatum (Poir.) C.E. Hubbard [family POACEAE], in K.B. 1939: 654 (1939); de Wet & Harlan in Bol. Soc. Arg. Bot. 12: 213 (1968). Type: Mauritius, Commerson (whereabouts uncertain) Andropogon aristatus Poir. [family POACEAE], in Lam., Encycl. Méth. Bot. Suppl. 1: 585 (1810)
Information
Perennial; culms 20–100 cm. high, geniculately ascending. Leaf-blades 3–25 cm. long, 2–5 mm. wide. Inflorescence composed of 1–6 subdigitate shortly pedunculate racemes, the peduncles and the culm below the inflorescence pubescent; racemes 2–8 cm. long, the spikelets imbricate, with 1–6 smaller homogamous pairs at the base. Sessile spikelet elliptic to obovate, 2–5 mm. long; lower glume firmly chartaceous, broadly convex, pilose below the middle, glabrous above or shortly ciliate along the margins and near the apex, broadly obtuse or with a subacute membranous tip; awn 10–20 mm. long.
Range
DISTR. T5, 6, 8 India to SE. Asia; introduced to most other tropical countries (in Africa with scattered records southwards to South Africa)
Altitude range
100–500 m.
Distribution
TANZANIA Mpwapwa, 19 Feb. 1948, van Rensburg 480!TANZANIA Kilosa District Mwega R., 29 June 1973, Greenway & Kanuri 15296!TANZANIA Morogoro District Bakira, 21 Aug. 1933, Schlieben 4252 !
Notes
Very similar to D. caricosum, but genetically isolated from it.
DICHANTHIUM aristatum (Poir.) C.E. Hubbard [family POACEAE]
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