Compilation
Emex spinosa

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Name

Identification
Emex spinosa Campd. [family POLYGONACEAE ] (stored under name); Verified by F.N. Hepper (Kew), 1987 Rumex spinosus L. [family POLYGONACEAE ] Verified by Not on Sheet, Rumex glaber Forssk. [family POLYGONACEAE ] Verified by Not on Sheet,
Related name
  • Emex spinosa
  • Rumex glaber
  • Rumex spinosus
Common name
  • spiny emex, Flora of North America Vol. 5
  • spiny threecornerjack, Flora of North America Vol. 5
  • little jack, Flora of North America Vol. 5
  • Devil’s-thorn, Flora of North America Vol. 5

Flora

Entry for EMEX australis Steinh. [family POLYGONACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Capensis
Resource Type
Reference Sources
Entry From
Flora Capensis, Vol 5, page 459, (1912) Author: By C. H. WRIGHT.
Names
EMEX australis Steinh. [family POLYGONACEAE], in Ann. Sci. Nat. 2 me sér. ix. 195, t. 7, fig. 16;—Benth. Fl. Austr. v. 262; Wood, Natal Pl. t. 360.
EMEX Centropodium Meisn. [family POLYGONACEAE], in Linnæa, xiv. 490, and in DC. Prodr. xiv. 40; Bolus & Wolley-Dod in Trans. S. Afr. Phil. Soc. xiv. 312; Burtt-Davy in Trans. Agric. Journ. vii. (1909) 654.
EMEX Podocentrum Meisn. ex Drège [family POLYGONACEAE], Zwei Pfl. Documente, 93, 99, 112, 128.
EMEX spinosa Campderá var. capensis [family POLYGONACEAE], Monogr. Rum. 59.
Rumex spinosus Thunb. [family POLYGONACEAE], Prodr. 67, and Fl. Cap. ed. Schult. 341, not of Linn.
Podocentrum Burch. ex Meisn. [family ], in Linnæa, xiv. 489.
Vibo australis Greene [family ], Man. Bot. San Francisc. Bay, 44.
Information
a herb; stem branched, 3 lin. in diam., ribbed when dry, glabrous; leaves ovate or oval, with the outer basal angles rounded, obtuse, cuneate into the 2 in.-long petiole, 3 in. long, 2 in. wide, entire or obscurely crenate, glabrous; outer fruiting perianth 6 lin. long, less indented between the angles than in E. spinosa, Linn., spines spreading; inner segments broadly ovate, mucronate, strongly reticulately nerved. null
Range
Also in Australia.
Distribution
CENTRAL REGION Graaff Reinet Div.; along the Sundays River near Monkey Ford, Burchell, 2877!COAST REGION Cape Div.; Sand Flats between Paarden Island, Tygerberg and Blueberg, Drège; near Cape Town, Wilms, 3552! Camp Ground, Wolley-Dod, 623! Wynberg Flats, Alexander Prior! Paarl Div.; by the Berg River near Paarl, Drège; Riversdale Div.; near Riversdale, Schlechter, 1865! between Zoetemelks River and Little Vet River, Burchell, 6818! Uitenhage Div.; Winterhoek Mountains, Krauss, 784; Port Elizabeth Div.; near Port Elizabeth, Drège! Albany Div.! Grahamstown, MacOwan, Fish River, 400–500 ft., Baur, 1056!EASTERN REGION Natal; without precise locality, Cooper, 1216!KALAHARI REGION Griqualand West; Asbestos Mountains at the Kloof Village, Burchell, 1687!SOUTH AFRICA without locality, Oldenburg! Forster! Zeyher! MacOwan, 2222!WESTERN REGION Little Namaqualand; between Verleptpram and the mouth of the Orange River, under 1000 ft., Drège!
Notes
This species differs from E. spinosa, Campd., in the larger, less rugose outer fruiting perianth with longer spinescent segments, and the inner erect segments being broader and more rounded.

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