Compilation
Rottboellia huillensis

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Name

Identification
Rottboellia huillensis Rendle [family POACEAE ] Phacelurus huillensis (Rendle) Clayton [family POACEAE ] (stored under name);
Related name
  • Rottboellia huillensis
  • Phacelurus huillensis

Flora

Entry for PHACELURUS huillensis (Rendle) W.D. Clayton [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
PHACELURUS huillensis (Rendle) W.D. Clayton [family POACEAE], in K.B. 33: 177 (1978). Type: Angola, Mampulla, Welwitsch 2648 (BM, iso.!)
Rottboellia huillensis Rendle [family POACEAE], Cat. Afr. Pl. Welw. 2: 140 (1899)
Rottboellia undulatifolia Chiov. [family POACEAE], in Ann. Bot. Roma 13: 36 (1914). Type: Zaire, Shaba, Kapiri, Bovone 59 (whereabouts uncertain, not FI, TO)
Thyrsia inflata Stapf [family POACEAE], in F.T.A. 9: 49 (1917). Types: Zaire, Shaba, Homblé 34 & 51 (both K, syn.!)
Thyrsia huillensis (Rendle) Stapf [family POACEAE], in F.T.A. 9: 50 (1917)
Coelorhachis undulatifolia (Chiov.) Chiov. [family ], in Nuov. Giorn. Bot. Ital., n.s. 26: 73 (1919)
Thyrsia undulatifolia (Chiov.) Robyns [family POACEAE], Fl. Agrost. Congo Belge 1: 53 (1929); Ann. list Nyasaland grasses: 63 (1958); G.T.: 112 (1965)
Rottboellia sulcata Peter [family POACEAE], F.D.O-A. 1, Anh.: 14, fig. 15/2 (1929). Type:Tanzania, Kigoma District, Uvinza, Peter 36428 (B, holo.†)
Coelorhachis fasciculata Peter [family ], F.D.O-A. 1: 357 (1936), nom. superfl. Based on Rottboellia sulcata Peter
Information
Tufted perennial. Culms 60–180 cm. high, erect. Leaf-blades flat, 15–40 cm. long, 2–7 mm. wide. Inflorescence 10–25 cm. long, with a short central axis 2–9 cm. long; racemes 4–14, each 8–20 cm. long; internodes and pedicels clavate, often inflated upwards, mostly glabrous. Sessile spikelet ovate, pallid, sometimes purplish; callus without a peg; lower glume 3.5–5 mm. long, thinly coriaceous, the back flat, indistinctly nerved, smooth and glabrous, bordered by a narrow coriaceous wing, obtuse to emarginate at the tip; lower floret barren. Pedicelled spikelet occasionally resembling the sessile, but usually smaller and sometimes vestigial, without a callus; pedicel from 1/2 to as long as the internode. Fig. 199.
Range
DISTR. T4, 7, 8
Altitude range
1000–1900 m.
Distribution
TANZANIA Ufipa District Ilemba Gap, 12 Mar. 1959, McCallum Webster T.63! & Matanga Hill, 10 Feb. 1958, Vesey-FitzGerald 1467!TANZANIA Songea District Hanga Farm, 28 Mar. 1956, Milne-Redhead & Taylor 9358!
Distribution (external)
Zaire (Shaba)
Zambia
Malawi
Mozambique
Notes
Occasional specimens approach quite closely to P. schliebenii, and may be the result of introgression from that species.

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