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Phacelurus huillensis Rendle Clayton [family GRAMINEAE]

Date Updated: 26 July 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 10, Part 4, (2002) Author: T. A. Cope
Names
Phacelurus huillensis Rendle Clayton [family GRAMINEAE], in Kew Bull. 33: 177 (1978). —Clayton & Renvoize in F.T.E.A., Gramineae: 847, fig. 199 (1982). TAB. 53. Type from Angola. Rottboellia huillensis Rendle [family GRAMINEAE], in Hiern et al., Cat. Afr. Pl. Welw. 2: 140 (1899). Rottboellia undulatifolia Chiov. [family GRAMINEAE], in Ann. Bot. (Rome) 13: 36 (1914). Type from Dem. Rep. Congo. Thyrsia inflata Stapf [family GRAMINEAE], in Prain, F.T.A. 9: 49 (1917). Type from Dem. Rep. Congo. Thyrsia huillensis Rendle Stapf [family GRAMINEAE], in Prain, F.T.A. 9: 50 (1917). Coelorachis undulatifolia Chiov. Chiov. [family GRAMINEAE], in Nuovo Giorn. Bot. Ital, n.s. 26: 73 (1919). Thyrsia undulatifolia Chiov. Robyns [family GRAMINEAE], Fl. Agrost. Congo Belge 1: 53 (1929). —Jackson & Wiehe, Annot. Check List Nyasal. Grass.: 63 (1958). —Simon in Kirkia 8: 53 (1971). Rottboellia sulcata Peter [family GRAMINEAE], in Repert. Spec. Nov. Regni Veg., Beih. 40: 133; Anh.: 14, t. 15/2 (1929). Type from Tanzania. Coelorachis fasciculata Peter [family GRAMINEAE], op. cit.: 357 (1936), nom. superfl., based on the preceding.
Information
Caespitose perennial; culms up to 180 cm high, erect. Leaf laminas 15–40 cm × 2–7 mm, flat. 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 central peg; inferior glume 3.5–5 mm long, thinly coriaceous, flat across the back, indistinctly nerved, smooth and glabrous, bordered by a distinct but narrow coriaceous wing, obtuse to emarginate at the apex. Pedicelled spikelet occasionally resembling the sessile spikelet but usually smaller and sometimes vestigial, without a callus; pedicel from half as long to as long as the internode.
Habitat
Growing in woodland and riverine grassland
Altitude range
1000–1830 m. 1830 1000
Distribution
Zambia N Mbala Distr., 13 km NW of Mbala (Abercorn), c. 1520 m, 11.iv.1961, Phipps & Vesey-FitzGerald 3055 (K; PRE; SRGH).Malawi N Rumphi Distr., Nyika Plateau foothills, c. 1830 m, 12.ii.1968, Simon, Williamson & Ball 1772 (K).Mozambique N between Lichinga (Vila Cabral) and Litunde, 37 km from Litunde, 6.iv.1961, M.F. Carvalho 487 (K).Zambia W Kitwe, 6.ii.1958, Fanshawe 4249 (SRGH).Zambia C Mkushi Distr., Mkushi River Dambo, c. 1430 m, 16.xii.1967, Simon & Williamson 1391 (K; PRE).Malawi C Nkhotakota Distr., 19.xi.1953, Jackson 1065 (K; SRGH).
Distribution (external)
Tanzania Dem. Rep. Congo
Phacelurus huillensis Rendle Clayton [family GRAMINEAE]
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