Compilation
Tristachya arundinacea

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Name

Identification
Tristachya arundinacea Hochst. ex A.Rich. [family GRAMINEAE ] (stored under name); Verified by Not on sheet.,
Related name
  • Tristachya arundinaceae
  • Loudetia arundinacea
  • Tristachya arundinacea

Flora

Entry for LOUDETIA arundinacea Steud. [family ]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical Africa, Vol 10, page 1, (1937) Author: (By C. E. HUBBARD.)
Names
LOUDETIA arundinacea Steud. [family ], Syn. Pl. Glum. i. 238 (1854). —Hutch. in Hutch. & Dalz. Fl. W. Trop. Afr. ii. 544.
Tristachya arundinacea Hochst. ex A. Rich. [family POACEAE], Tent. Fl. Abyss. ii. 417 (1851); Chiov. in Ann. Istit. Bot. Roma, viii. 343.
Trichopteryx arundinacea Hack. ex Engl. [family POACEAE], in Abh. Preuss. Akad. Wiss. 1891, ii. 129: 1892 (Engl. Hochgebirgsfl. Trop. Afr.); Durand & Schinz, Consp. Fl. Afr. v. 846; Franch. Contr. Fl. Congo Franç. 64; Th. & H. Durand, Syll. Fl. Congol. 642; Pilger in Mildbr. Deutsch. Zentr.-Afr.-Exped. 1907–8, ii. 47; Chevalier, Expl. Bot. Afr. Occid. Franç. i. 743; Peter in Fedde, Repert. Beih. xl. I. 300.
Trichopteryx nigritiana Stapf [family POACEAE], in Kew Bulletin, 1897, 297, in part; Chevalier, Étud. Fl. Afr. Centr. Franç. i. 373; Chiov. in Nuovo Giorn. Bot. Ital. n.s. xxvi. 79 (?); Vanderyst in Bull. Agric. Congo Belge, xi. 112.
Trichopteryx simplex Rendle [family POACEAE], in Cat. Pl. Talb. 150, not of Hack.
Trichopteryx verticillata De Wild. [family POACEAE], in Ann. Soc. Sc. Brux. xxxix. Mém. 160: 1920 (Notes Fl. Katanga, v. 38).
Information
A tufted perennial. Culms erect or geniculate, 3–10 ft. high, terete, slender to stout, simple, 3–6-noded, glabrous and smooth, or appressedly hairy towards the lower nodes, rarely all over. Leaf-sheaths striate, the lower longer than the internodes, loosely to densely pilose or hispid with tubercle-based hairs especially upwards, or glabrous, the upper shorter than the internodes, glabrous and smooth, or hairy like the lower; nodes glabrous, pubescent or densely bearded; ligule a densely ciliate rim; blade linear, narrowed towards the base, tapering to a fine point, up to 2 ft. or more long and 8 lin. wide, flat, firm, scaberulous, glabrous, or loosely pilose to hispid with tubercle-based hairs, scabrid on the margins. Panicle narrowly oblong, loose or contracted, up to 2 ft. or more long and 6 in. wide; rhachis terete, glabrous, smooth or rarely scaberulous, the lowest internode up to 5 1/2 in. long; branches filiform, scaberulous, simple at the base and loosely divided upwards, mostly verticillate or semi-verticillate, up to 8 1/2 in. long; pedicels unequal, the terminal up to 7 lin. long. Spikelets narrowly lanceolate and acuminate, at length narrowly oblong and gaping, 4–5 1/2 (rarely 3 1/2 or 6) lin. long, yellowish to dark brown, rarely pallid. Glumes firmly chartaceous, 3–5-nerved, glabrous or rarely with a few hairs towards the tips; lower narrowly ovate to oblong-ovate, truncate or very obtuse, 1 3/4–2 1/2 lin. long; upper linear-lanceolate, truncate, as long as the spikelet or slightly shorter. Lower floret ♂: valve similar to the upper glume, but as long as the spikelet, subacute or obtuse; valvule linear, truncate, 2–3 lin. long. Upper floret linear: callus truncate or slightly emarginate, 1/4– 1/3 lin. long; valve 2 1/4–3 1/4 lin. long, 2-lobed, with the acute lobes 1/3– 1/2 lin. long, thinly coriaceous, 7-nerved, pubescent; awn mostly 12–20 (rarely 8 or 22) lin. long; column 4–8 (rarely to 10) lin. long, at length dark brown, scaberulous; valvule 2 1/2–3 1/4 lin. long. Anthers 2, 1 1/4–1 1/2 lin. long. Grain linear, subterete, 1 1/2–2 lin. long.
Distribution
Congo Lower Guinea Lower Congo; Lutété, Hens, A282! Moyen Congo; Kisantu, Vanderyst, 287! Gillet ! Dolo, Rovere ! Sapin ! Kunzulu, Vanderyst, 3702! Gamboni, Vanderyst, 3669! Mokaba, Vanderyst, 3853!Angola Lower Guinea plateau of Malange; Kela, Gossweiler, 9551! Cuanza Norte District; Pungo Andongo, Lombe, in damp meadows, Welwitsch, 2719! Cassualala—Loanda, in sandy soil, Gossweiler, 5832! Bié District; near Dondo, on dry rocky ground, Gossweiler, 8318! Dembos, Gombe Amiquema, River Urucu, amongst rocks, Gossweiler, 8334!Tanganyika Mozamb. Dist. Bukoba, sandy lake shore, Gillman, 369! Kigoma, Shantz, 767! 768!Northern Rhodesia Mozamb. Dist. Lake Tanganyika, Pole Evans, 3038 (45)!Sudan Nile Land Gebel Lothir, Pibor Post, Simpson, 7608! Mongalla Province; Imatong Mtns., Katire, beside River Kineti, locally abundant, 3500 ft., Thomas, 1562!Eritrea Nile Land Maragus; Cohait, 5600 ft., Pappi, 1024; Mai Zagaregh, 5300 ft., Pappi, 986.Abyssinia Nile Land Gafta Region, Schimper, 1214 (in part)!Uganda Nile Land Umia Aneyma, between Kitgum and Rom, 3600 ft., Liebenberg, 1763! Rom Mtn., above 4500 ft., Liebenberg, 1797 (in part)! Teso; Serere, on roadside, 3600 ft., Chandler, 701! Busoga: Namaiera Hill, 3760 ft., Maitland, 1430! Namwendwa, 3700 ft., Maitland, 1407! Entebbe, Fyffe, 39! 40! Sese Islands; Bugoma, 3700 ft., Maitland, 974! Mengo; Namanyunyi, 4000 ft., Dummer, 2576! Ankole; near Kagera River, at Kikagati, in savannah, 4000 ft., Snowden, 1337!Kenya Nile Land Nairobi District, 5700 ft., Napier, 872! Dowson, 239!Ubangi-Shari North Central confluence of the Kémo, Chevalier, 5360, 5361! Mboukou—Griko, Moyenne-Kémo, Chevalier, 5516 bis; without precise locality, Viancin !Congo South Central Semliki Escarpment, 4000 ft., Johnston, 1235!French Guinea Upper Guinea Timbo, Pobéguin, 1724! 1725! 1726! 1729! Fouta Djallon; between Dalaba and Songueta, Chevalier, 20171! neighbourhood of Kindia, Jacques-Felix, 181!Sierra Leone Upper Guinea Kambia, dry grassy places, Deighton, 814! near Kambia, Deighton, 920! Matamba—Manyakoi, grassfields, Glanville, 64! Jigaya, 1100 ft., Thomas, 2735! Mabonto, 550 ft., Thomas, 3601! Matotoka, 400 ft., Thomas, 1340!Nigeria Upper Guinea Lagos, Dawodu, 240! Ogolo, Thomas, 188! Ogoja Province, Rosevear, 1–30A! Oban, Talbot, 843! Kabba Road, Parsons ! Ila, 350 ft., Thomas, 1931! above Bamenda, 6000 ft., Migeod, 347!Nigeria Upper Guinea Jeba, Barter ! Bauchi Plateau, among rocks, Lely, 498!

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