Compilation
Aristida leucophaea

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Name

Identification
Aristida leucophaea Henrard [family POACEAE ] (stored under name); Verified by Henrard, J.Th,
Related name
  • Aristida welwitschii
  • Aristida leucophaea
  • Aristida eriophora

Flora

Entry for ARISTIDA leucophaea Henr. [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, Part (Part 1), page 1, (1970) Author: W. D. Clayton
Names
ARISTIDA leucophaea Henr. [family POACEAE], in Med. Rijks Herb. Leiden 54A: 298 (1927); G.T.: 24 (1965). Type: Rhodesia, Salisbury, Eyles 2238 (K, holo.!)
ARISTIDA eriophora Henr. [family POACEAE], in Med. Rijks Herb. Leiden 54C: 716 (1933); G.T.: 24 (1965). Type: Rhodesia, Salisbury, Hatfield, Stent 3976 (L, holo.!, K, iso.!)
Information
Densely caespitose perennial 60–90 cm. high, the culms woolly tomentose for some distance below the nodes. Leaf-blades flat, curly, up to 20 cm. long and 3 mm. wide; sheaths glabrous to villous. Panicle 5–15 cm. long, narrow, ± interrupted, the spikelets clustered about the short primary branches. Spikelets enclosed by narrowly lanceolate subequal glumes, the lower sometimes a little longer than the upper; lower glume 4–8 mm. long, scaberulous, with or without an awn-point up to 2.5 mm. long; upper glume 5–8 mm. long, glabrous, minutely 2-toothed, with or without a mucro up to 1 mm. long; lemma terete, 5–6.5 mm. long, scaberulous; callus oblong, 0.3 mm. long, truncate, bearded along the sides; awn with a slightly twisted column (0.5–)1.5–2.5(–5.5) mm. long, not articulated, the central limb 8–17 mm. long, the laterals 7–13 mm. long.
Range
DISTR. T4, 7
Altitude range
1250–1600 m.
Distribution
TANGANYIKA Ufipa District Irwin Farm to Mpui, 22 Mar. 1959, McCallum Webster T197!TANGANYIKA Iringa, 10 Feb. 1932, Lynes I.h. 44c! & 2 Sept. 1932, Geilinger 3!TANGANYIKA Njombe District Chimala, 12 May 1963, Boaler 924!
Distribution (external)
Zambia
Rhodesia
Notes
A. leucophaea is distinguished by its woolly culms, but the other characters tend to intergrade with 5, A. junciformis. East African specimens have the column of the awn unusually long (3.5–5.5 mm.) but otherwise closely resemble the rest of the species.

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