Compilation
Trachypogon glaucescens

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Name

Identification
Trachypogon spicatus (L.f.) Kuntze [family POACEAE ] (stored under name); Isotype of Trachypogon glaucescens Pilg. [family POACEAE ]
Related name
  • Trachypogon glaucescens
  • Trachypogon spicatus

Flora

Entry for TRACHYPOGON spicatus (L.f.) Kuntze [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, page 451, (1982) Author: W. D. CLAYTON and S.A. RENVOIZE
Names
TRACHYPOGON spicatus (L.f.) Kuntze [family POACEAE], Rev. Gen. Pl. 2: 794 (1891); Ann. list grasses Ug.: 47 (1947); R.K.G.: 61 (1958); Ann. list Nyasaland grasses: 63 (1958); I.G.U.: 59 (1960); G.T.: 110 (1965); Clayton in F.W.T.A., ed. 2,3:473 (1972). Type: South Africa, Cape, Thunberg (LINN, holo.!)
Stipa spicata L.f. [family POACEAE], Suppl. Pl.: 111 (1781); Thunb., Prodr. Pl. Cap.: 20 (1794)
Andropogon plumosus Willd. [family POACEAE], Sp. Pl., ed. 4, 4: 918 (1806). Type: Venezuela, Cumana, Humboldt (B, holo.)
Trachypogon plumosus (Willd.) Nees [family POACEAE], Agrost. Bras.: 344 (1829); F.T.A. 9: 403 (1919); Fl.Agrost. Congo Belge 1: 208 (1929); Ann. list grasses Ug.: 47 (1947); Imp. Grassl. Pl. Kenya: 82(1951)
Trachypogon capensis Trin. [family POACEAE], in Mém. Acad. Sci. Pétersb., sér. 6, 2: 257 (1832), nom. superfl., based on Stipa spicata L.f.
Heteropogon truncatus Nees [family POACEAE], Fl. Afr. Austr.: 102 (1841). Type: South Africa, Kromrivier-Uitenhage, Ecklon (S, iso.!)
Andropogon spicatus (L.f.) Steud. [family POACEAE], Syn. Pl. Glum. 1: 368 (1854)
Andropogon truncatus (Nees) Steud. [family POACEAE], Syn. Pl. Glum. 1: 368 (1854)
Trachypogon truncatus (Nees) Anderss. [family POACEAE], in Öfv. Svensk. Vet. Akad. Förh. 14: 49 (1857)
Trachypogon polymorphus (Nees) Hack. var. truncatus [family POACEAE], in DC, Monogr. Phan. 6: 327 (1889)
Trachypogon polymorphus Franch. var. thollonii [family POACEAE], in Bull. Soc. Hist. Nat. Autun 8: 322 (1895). Types: Congo (Brazzaville), Mpila, Thollon 92 (P, syn.!) & 393 (P, syn.)
Trachypogon involutus Pilg. [family POACEAE], in Fries, Wiss. Ergebn. Schwed. Rhod.-Kongo-Exped. 1: 192 (1915). Type: Zambia, Kamindas, Fries 963 (UPS, holo., K, photo.!)
Trachypogon thollonii (Franch.) Stapf [family POACEAE], in F.T.A. 9: 402 (1919); Fl. Agrost. Congo Belge 1: 207 (1929)
Trachypogon durus Stapf [family POACEAE], in F.T.A.9: 405 (1919).Type: Angola, Cuito R., Gossweiler 3199 (K,holo.!)
Trachypogon planifolius Stapf [family POACEAE], in F.T.A. 9: 406 (1919). Type: Tanzania, Rungwe District, Kyimbila, Stolz K.44 (K, holo.!)
Trachypogon glaucescens Pilg. [family POACEAE], in N.B.G.B. 11: 803 (1933); G.T.: 111 (1965). Type: Tanzania, Njombe District, Upper Ruhudji, Pori, Schlieben 960 (BR, iso., K, photo.!)
Information
Tufted perennial; culms 30–200 cm. high. Leaf-blades flat to acicular, 15–40 cm. long, 1–7 mm. wide. Racemes l(–3), 4–30 cm. long. Sessile spikelet similar to the pedicelled but awnless, narrowly and usually inconspicuously winged on the margins above. Pedicelled spikelet 8–13 mm. long, including a white bearded callus 1–3 mm. long; lower glume glabrous to villous, usually pubescent; awn 4–10 cm. long, flexuous, plumose. Fig. 163.
Range
DISTR. U1, 2; K2–4, 7; T1, 4–7 tropical Africa and tropical America
Altitude range
0–2800 m.
Distribution
KENYA Uasin Gishu District near Eldoret, 10 July 1951, Trapnell 2112!KENYA Nairobi, 29 May 1949, Bogdan 2474!KENYA Kwale District Lango ya Mwagandi area, 17 Mar. 1968, Magogo & Glover 330!TANZANIA Musoma District between Seronera and Klein’s Camp, 17 May 1961, Greenway 10200!TANZANIA Chunya District Rungwa Game Reserve, 28 Jan. 1969, Chabwela in Mweka 5332!TANZANIA Iringa District Mt. Image, 2 Mar. 1962, Polhill & Paulo 1636!UGANDA Acholi District Agoro, 14 Nov. 1945, A.S. Thomas 4373!UGANDA Ankole District Gayaza, 25 Apr. 1946, A.S. Thomas 4444! & Mbarara, 29 June 1929, Snowden 1391!
Notes
There is considerable variation in vegetative characters, but the spikelets are tolerably constant and there seems to be no basis for recognizing more than one species.

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