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STIPAGROSTIS hirtigluma (Trin. & Rupr.) de Winter [family POACEAE]

Date Updated: 19 August 2007

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
STIPAGROSTIS hirtigluma (Trin. & Rupr.) de Winter [family POACEAE], in Kirkia 3: 136 (1963) & in Bothalia 8: 361 (1965). Type: Arabia, Schimper 165 (K, iso.!) Aristida hirtigluma Trin. & Rupr. [family POACEAE], Sp. Gram. Stip.: 171 (1842); F.P.S. 3: 398 (1956); R.K.G.: 33 (1958); Ann, list Nyasaland grasses: 29 (1958); I.G.U.: 16 (1960); G.T.: 23 (1965) Aristida hirtigluma Hack. var. patula [family POACEAE], in Denkschr. Kais. Akad. Naturw. 78: 401 (1906). Type: Mozambique, Menyhart 601 (Z, iso.) Aristida gracilior Pilg. [family POACEAE], in E.J. 40: 80 (1907). Type: South West Africa, Fritzsche 16 (B, holo.!) Aristida gracilior Henr. var. pearsonii [family POACEAE], in Med. Rijks Herb. Leiden 54B: 695 (1928). Type: Angola, Mossamedes-R. Coroca, Pearson 2249 (K, holo.!) Stipagrostis hirtigluma (Henr.) de Winter var. pearsonii [family POACEAE], in Kirkia 3: 134 (1963) Stipagrostis hirtigluma (Hack.) de Winter var. patula [family POACEAE], in Kirkia 3: 134 (1963)
Information
Densely caespitose annual or short-lived perennial, up to 80 cm. high. Leaf-blades setaceous, 6–20 cm. long, scaberulous beneath, scabrid or hirtellous above. Panicle 10–15 cm. long, contracted or sometimes effuse. Spikelets pallid or purplish; glumes densely pilose, unequal to subequal, the lower 6–11 mm. long, the upper 10–13 mm. long; lemma 3.5–4 mm. long, conspicuously tuberculate above, gradually passing into the awn; callus 0.5–0.75 mm. long, acute, bearded with a short tuft near the base of the callus and a long fringe at the base of the lemma; column of awn 7–10 mm. long, plumose (sometimes rather sparsely so) in the upper half, without a distinct tuft at the summit; central awn 3.5–5.5 cm. long, plumose throughout; lateral awns naked, ± 1 cm. long.
Range
DISTR. K1, 2, 4, 6; T2, 3 Mali to Somali Republic, thence to Arabia and India,
Altitude range
500–2100 m.
Distribution
KENYA Turkana District 8 km. W. of Lokichar, 4 July 1954, Hemming 293!KENYA Masai District 16 km. on Narok-Nairobi road, Langena Camp, 15 July 1962, Glover & Samwell [ Paulo ] 3173! & Magadi, 8 Oct. 1955, Greenway 8842!TANGANYIKA Masai District 10 km. Engaruka-Mto wa Mbu, 25 Feb. 1966, Leippert 6365!TANGANYIKA Lushoto District S. Pare Mts., Buiko, 10 July 1942, Greenway 6588!
Distribution (external)
Angola Botswana South Africa
Notes
De Winter, in Bothalia 8: 363 (1965), recognizes three varieties—var. hirtigluma, annual with a narrow panicle, var. pearsonii, annual with a lax and spreading panicle, and var. patula, perennial with an effuse panicle. All three varieties occur in East Africa, but they are very indistinctly separated and have not been formally adopted here.
STIPAGROSTIS hirtigluma (Trin. & Rupr.) de Winter [family POACEAE]
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