Compilation
Panicum djalonense

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Name

Identification
Isotype of Panicum djalonense A.Chev. [family POACEAE ] Verified by Not on sheet, Panicum hymeniochilum Nees [family POACEAE ] (stored under name); Verified by Not on sheet,
Related name
  • Panicum hymeniochilum
  • Panicum djalonense

Flora

Entry for PANICUM hymeniochilum Nees [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
PANICUM hymeniochilum Nees [family POACEAE], Fl. Afr. Austr.: 46 (1841); Clayton in F.W.T.A., ed. 2, 3: 429 (1972). Type: South Africa, Natal, Drège (K, iso.!)
PANICUM hymeniochilum Nees var. glandulosum [family POACEAE], Fl. Afr. Austr.: 47 (1841). Type: South Africa, Natal, Drège (K, iso.!)
PANICUM filiculme Schinz [family POACEAE], in Bull. Herb. Boiss. 3: 377 (1895). Type: South Africa, Natal, Rehmann 8049 (Z, holo.!)
PANICUM schlechteri Schinz [family POACEAE], in Bull. Herb. Boiss. 7: 24 (1899). Type: South Africa, Cape Province, Schlechter 6759 (Z, holo.)
PANICUM snowdenii C.E. Hubbard [family POACEAE], in K.B. 1928: 132 (1928); Fl. Agrost. Congo Belge 2: 215 (1934); Ann. list grasses Ug.: 33 (1948); R.K.G.: 38 (1958); Ann. list Nyasaland grasses: 52 (1958); I.G.U.: 45 (1960); G.T.: 64 (1965). Type: Uganda, Elgon, Snowden 1188 (K, holo.!)
Sacciolepis semienensis Chiov. [family POACEAE], Pl. Nov. Min. Not. Aeth.: 25 (1928). Type: Ethiopia, Semien, Chiovenda 937 (FI, holo.!)
Panicum kisantuense Robyns [family POACEAE], in Mém. Inst. Roy. Col. Belge, Sec. Sci. Nat. & Méd. 1, 6: 25, t. 1/G–M (1932) & Fl. Agrost. Congo Belge 2: 166 (1934); Ann. list grasses Ug.: 31 (1948); R.K.G.: 37 (1958); I.G.U.: 44 (1960); G.T.: 63 (1965). Type: Zaire, Kisantu, Vanderyst 6010 (BR, holo.!)
Panicum djalonense A. Chev. [family POACEAE], in Rév. Bot. Appl. 14: 27 (1934). Type: Guinée, Dalaba, Caille 18139 (P, holo., K, iso.!)
Information
Aquatic annual; culms slender, ascending, 14–120 cm. long, often rooting at the lower nodes. Leaf-blades spreading or more often deflexed, narrowly lanceolate, 1.2–7(–8.5) cm. long, 1.2–5(–10) mm. wide, widened or cordate at the base, membranous, glabrous to densely pilose with both tapering and clavellate hairs, antrorsely scaberulous on the margins, bluntly acute. Panicle oblong, 2–10 cm. long, pilose with both tapering and clavellate hairs, rarely glabrous, sparsely branched, the secondary branches often contracted and then the primary branches raceme-like; pedicels stiff. Spikelets oblong, 2–2.5(–3) mm. lone, pale or bright green, often purple tinged, blunt; lower glume narrowly ovate, 1/2–2/3 the length of the spikelet, 0–1-nerved, blunt; upper glume ovate-oblong, 7–9-nerved, acute; lower lemma ovate-oblong, 7–9-nerved, sterile, its palea poorly developed.
Range
DISTR. U2–4; K3–5; T1–3, 7, 8 Guinée to Ethiopia and southwards to South Africa; also in Madagascar
Altitude range
700–3000 m.
Distribution
KENYA Elgeyo District Kaibwibich, 3–11 Aug. 1968, Thulin & Tidigs 180!KENYA Nakuru District 32 km. from Thomsons Falls to Nakuru, 11 Aug. 1959, Bogdan 4853!KENYA Kiambu District Lari Swamp, 19 Aug. 1967, Kabuye & D. Wood 100!TANZANIA Lushoto District Mkuzi, 10 Apr. 1953, Drummond & Hemsley 2083!TANZANIA Mbeya District NE. of James Corner, 22 July 1970, Wingfield 907!TANZANIA Songea District Miyau, 23 May 1956, Milne-Redhead & Taylor 10298!UGANDA Kigezi District Butale, 13 Aug. 1936, A.S. Thomas 2042! & Kachwekano Farm, Mar. 1950, Purseglove 3344!UGANDA Masaka District Lake Nabugabo, July 1937, Hancock & Chandler 1764!
Notes
Specimens with culms up to 50 cm. high, leaf-blades up to 3 cm. long and small, very sparsely branched panicles 2–4 cm. long, have in the past been placed in P. snowdenii. This species however intergrades with P. hymeniochilum and no satisfactory dividing line can be drawn between the two.

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