e-Key <span id="jodit_selection_marker_1709017834192_9652484248421529" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Cul<span id="jodit_selection_marker_1709017834192_3461611381102849" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>lumia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Arctoteae - Cullumia R.Br. ex Aiton

Description:

  • Subshrubs or shrubs, sometimes cobwebby
  • Leaves alternate, densely set, small, spinous-ciliate and sometimes spine-tipped
  • Capitula radiate, several- to many-flowered, solitary, sessile, terminal on main and side branches, rarely axillary
  • Involucre campanulate; bracts in 4 rows, connate at base, rigidly spinose-ciliate, sometimes reflexed, glabrous
  • Receptacle flat, honeycombed
  • Ray florets neuter; corolla yellow, strap-shaped; tube somewhat compressed, with oblong-linear, 3- or 4-toothed lamina up to 6 times longer than tube
  • Disc florets bisexual, fertile; corolla yellow, tube slightly expanded or funnel-shaped, with 5 linear lobes
  • Anthers sagittate at base, with lanceolate, apical appendage
  • Style terete, with linear, obtuse branches
  • Cypselas oblong-ellipsoid, smooth, glabrous or very rarely minutely pilose
  • Pappus 0

Nomenclature:

  • Cullumia R.Br. ex Aiton
    • Aiton: 137 (1813)
    • Harvey: 480 (1865)
    • Phillips: 846 (1951)
    • Roessler: 271 (1959)
    • Bremer: 261 (1994)

Distribution & Notes:

  • Southern Africa: Species 15, endemic to Northern and Western Cape

References:

  • AITON, W. 1813. Hortus kewensis, edn 2, 5. Longman et al., London
  • BREMER, K. 1994. Asteraceae, cladistics & classification. Timber Press, Portland, Oregon
  • HARVEY, W.H. 1865. Compositae. Flora capensis 3
  • PHILLIPS, E.P. 1951. The genera of South African flowering plants, edn 2. Memoirs of the Botanical Survey of South Africa No. 25
  • ROESSLER, H. 1959. Revision der Arctotideae - Gorteriinae (Compositae). Mitteilungen der Botanischen Staatssamlung München 3

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