Compilation
Tragus biflorus

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Name

Identification
Tragus biflorus Schult. [family POACEAE ] (stored under name); Lappago biflora Roxb. [family POACEA ]
Related name
  • Cenchrus racemosus
  • Lappago racemosa
  • Lappago biflora
  • Tragus biflorus

Flora

Entry for TRAGUS heptaneuron W. D. Clayton [family ]
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 2), page 177, (1974) Author: W. D. CLAYTON, S. M. PHILLIPS AND S. A. RENVOIZE
Names
TRAGUS heptaneuron W. D. Clayton [family ], in K.B. 27: 151 (1972). Type: Kenya, Kwale District, Samburu, Bogdan 3619 (K, holo.!)
TRAGUS biflorus [family ], [sensu R.K.G. 2: 34 (1958), non (Roxb.) Schult.]
Information
Loosely tufted annual; culms 12–30 cm. high, erect or ascending. Leaf-blades 1–5 cm. long, 1.5–4 mm. wide. Inflorescence 3–9 cm. long, cylindrical, often loosely so; clusters straight or slightly gaping at the tip, comprising 2 subequal spikelets, these arising at ± the same level without rhachis internode or prolongation. Spikelets 3–3.5 mm. long; upper glume 7-nerved, the prickles terete in their lower half and hooked at the tip.
Range
DISTR. K1, 7; T8
Altitude range
sea-level to 800 m.
Distribution
KENYA Northern Frontier Province Dandu, 3 May 1952, Gillett 13019 !KENYA Tana River District 19 km. S. of Garsen, 20 Sept. 1961, Polhill & Paulo 515 !KENYA Kilifi District 2.5 km. NW. of Mariakani, 4 Nov. 1961, Bogdan 5333 !TANZANIA Kilwa District Selous Reserve, Kilunda–Likangwe flats, 1 Feb. 1966, Nicholson 83 !
Distribution (external)
Somali Republic
Notes
Allied to T. racemosus (L.) All. from the Mediterranean region and South Africa, which also has a 7-nerved upper glume. In this species the clusters comprise 2–4 fertile spikelets which are always borne upon a distinct rhachis, the latter prolonged and bearing 1–2 reduced or rudimentary spikelets.

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