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Aristida interrupta

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Type of Aristida interrupta Cav. [family GRAMINEAE]

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Name

Identification

Aristida interrupta Cav. [family GRAMINEAE ] (stored under name); Verified by Not on Sheet, Aristida adscensionis L. [family GRAMINEAE ] Verified by A.Espejo y A.R López F., 1997

Flora

Entry for ARISTIDA Adscensionis Linn. [family POACEAE]

Royal Botanic Gardens, Kew (K)

Reference Sources

Flora Capensis, Vol 7, page 310, (1900) Author: (By O. STAPF.)

ARISTIDA Adscensionis Linn. [family POACEAE], Sp. Pl. 82;—Brongn. in Duperr. Voy. Coq. 13; Kunth, Enum. i. 190; Trin. & Rupr. Stip. 138; Steud. Syn. Pl. Glum. i. 139; Baker, Fl. Maurit. 450; Durand & Schinz, Consp. Fl. Afr. 799; Hook. f. Flor. Brit. Ind. vii. 224.

ARISTIDA paniculata Forsk. [family POACEAE], Fl. Aegypt.-Arab. 25 (?).

ARISTIDA americana Linn. [family POACEAE], in Amoen. Acad. v. 393, not Swartz.

ARISTIDA gigantea Linn. f. [family POACEAE], Suppl. 113.

ARISTIDA depressa Retz. [family POACEAE], Obs. iv. 22.

ARISTIDA cærulescens Desf. [family POACEAE], Fl. Atlant. i. 109, t. 21, fig. 2; Schum. & Thonn. Beskr. Guin. Pl. 47; Trin. Spec. Gram. Ic. t. 313.

ARISTIDA interrupta Cav. [family POACEAE], Ic. v. 45, t. 471, fig. 2.

ARISTIDA elatior Cav. [family POACEAE], Ic. vi. 65, t. 589, fig. 1.

ARISTIDA canariensis Willd. [family POACEAE], Enum. 99.

ARISTIDA humilis H.B.K. [family POACEAE], Nov. Gen. et. Spec. i. 121, 122.

ARISTIDA bromoides H.B.K. [family POACEAE], Nov. Gen. et. Spec. i. 121, 122.

ARISTIDA coarctata H.B.K. [family POACEAE], Nov. Gen. et. Spec. i. 121, 122.

ARISTIDA divaricata Jacq. [family POACEAE], Ecl. Gram. 7, t. 6, not Willd.

ARISTIDA mauritiana Kunth [family POACEAE], Rév. Gram. i. 61; 265, t. 44; Trin. & Rupr. Stip. 139.

ARISTIDA setacea Trin. [family POACEAE], Gram. Gen. 84, not Retz.

ARISTIDA nigrescens Presl [family POACEAE], Reliq. Haenk. i. 223.

ARISTIDA cognata Trin. & Rupr. [family POACEAE], Stip. 127 and 129.

ARISTIDA dispersa Trin. & Rupr. [family POACEAE], Stip. 127 and 129.

ARISTIDA festucoides Hochst. & Steud. ex Trin. & Rupr. [family POACEAE], (not Poir.) l.c. 129.

ARISTIDA laxa Willd. ex Trin. & Rupr. [family POACEAE], (not Cav.) l.c. 130.

ARISTIDA vulgaris Trin. & Rupr. [family POACEAE], l.c. 131–136 (excl. vars. æthiopica, senegalensis, Ehrenbergii, spicigera).

ARISTIDA nutans Ehrenb. & Hempr. ex Trin. & Rupr. [family POACEAE], l.c. 135.

ARISTIDA pusilla Trin. & Rupr. [family POACEAE], l.c. 140; Steud. Syn. Pl. Glum. i. 139; Durand & Schinz, Consp. Fl. Afr. v. 807.

ARISTIDA swartziana Steud. [family POACEAE], Syn. Pl. Glum. i. 137–139.

ARISTIDA maritima Steud. [family POACEAE], Syn. Pl. Glum. i. 137–139.

ARISTIDA nana Steud. [family POACEAE], Syn. Pl. Glum. i. 137–139.

ARISTIDA arabica Steud. [family POACEAE], Syn. Pl. Glum. i. 137–139.

ARISTIDA tenuiflora Steud. [family POACEAE], Syn. Pl. Glum. i. 137–139.

ARISTIDA modatica Steud. [family POACEAE], Syn. Pl. Glum. i. 137–139.

ARISTIDA simplicissima Steud. [family POACEAE], Syn. Pl. Glum. i. 137–139.

ARISTIDA chætophylla Steud. [family POACEAE], l.c. 420.

ARISTIDA Teneriffæ Steud. [family POACEAE], l.c. 420.

ARISTIDA macrochloa Hochst. [family POACEAE], in Flora, 1855, 200.

ARISTIDA vulpioides Hance [family POACEAE], in Ann. Sc. Nat. sér. 5, v. 251.

ARISTIDA Heymanni Regel [family POACEAE], in Act. Hort. Petrop. vii. (1880) 649.

Chætaria ascensionis Beauv. [family ], Agrost. 30.

Chætaria canariensis Beauv. [family ], Agrost. 30.

Chætaria cærulescens Beauv. [family ], Agrost. 30.

Chætaria depressa Beauv. [family ], Agrost. 30.

Chætaria elatior Beauv. [family ], Agrost. 30.

Chætaria gigantea Beauv. [family ], Agrost. 30.

Chætaria interrupta Beauv. [family ], Agrost. 30.

Chætaria humilis Roem. & Schult. [family ], Syst. ii. 396.

Chætaria bromoides Roem. & Schult. [family ], Syst. ii. 396.

Chætaria coarctata Roem. & Schult. [family ], Syst. ii. 396.

Chætaria nana Nees ex Steud. [family ], Nom. ed. 2, i. 340.

Chætaria mauritiana Nees [family ], Fl. Afr. Austr. 188.

annual or occasionally perennial with an oblique rhizome, glabrous; culms tufted, geniculately ascending, slender, from a few inches to 2 ft. long, usually branched from one or several of the lower nodes, smooth, upper internodes long exserted; sheaths tight, rather firm, smooth; ligule a line of short hairs; blades very narrow, linear, tapering to a very fine point, 1–9 in. long, up to 1 lin. broad, convolute, rarely flat, smooth below, scabrid above and on the margins; panicle linear, spike-like, usually interrupted or oblong and more or less lax, rigid or flaccid; branches single or 2-nate, unequal, branched from the base or simple to the middle, erect or nodding or flexuous, filiform, scabrid, lateral pedicels short; spikelets 3–5 lin. long, often purplish; glumes linear to linear-lanceolate, acute or subobtuse, 1-nerved, the lower 2–3 1/2 lin., the upper 3–4 1/2 lin. long, sometimes mucronate; valve linear, laterally compressed, as long as the upper glume or slightly longer, rarely shorter, scabrid along the keel and the outer nerve, otherwise smooth or scabrid, particularly below the straight tip; callus 1/4 lin. long; awns 6–9 lin. long, rarely shorter (down to 4 lin.) or longer (up to 1 in.), diverging, continuous with the valve, the lateral somewhat shorter; pale obtuse, less than 1/2 lin. long; lodicules similar to the pale, 3–5-nerved, 1/3– 1/2 lin. long; anthers 1/2 lin. long; grain almost as long as the valve. null

Common in most dry and hot countries.

CENTRAL REGION Ceres Div.; at Yuk River, near Yuk River Hoogte, Burchell, 1266! Somerset Div.; Bowker, 149! Graaff Reinet Div.; stony hills near the Sunday River, 1500–2000 ft., Drège! mountain sides near Graaff Reinet, 2900 ft., Bolus, 678! Calvinia Div.; between Lospers Plaats and Springbok Kuil, Zeyher, 1817! Albert Div., Cooper, 778! 1364!COAST REGION Uitenhage Div.; near Uitenhage, Zeyher! Steenboks Flats, Ecklon & Zeyher!KALAHARI REGION Griqualand West, Hay Div.; between the Kloof Village and Witte Water, Burchell, 2083! between Witte Water and Riet Fontein, Burchell, 2006! Orange Free State; between Kimberley and Bloemfontein, Buchanan, 283!WESTERN REGION Little Namaqualand; between Holgat River and Orange River, Drège! between Buffels River and Silver Fontein, 2000 ft., Drège.

Drège's specimens from Little Namaqualand represent Nees's Chætaria mauritiana var. nana (Aristida nana, Steud.). I consider them only as very dwarfed individuals of this species.