e-Key <span id="jodit_selection_marker_1707482143833_7927586074084565" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Carp<span id="jodit_selection_marker_1707482143833_7387224390834617" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>acoce
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Rubiaceae - Rubioideae - Anthospermeae - Carpacoce Sond.

Description:

  • Dwarf shrubs, rarely perennial herbs, bisexual, female, or occasionally male, bisexual + female, or bisexual + male
  • Leaves decussate or (rarely) in whorls of 3, often ericoid, ± pungent, acuminate or acute at apex, (sub)sessile; stipular sheaths cup- or funnel-shaped, bearing minute setae or (less commonly) longer bristles on either side
  • Inflorescence frequently very inconspicuous, made up of flowers paired or solitary at nodes, or of mostly few-flowered cymes
  • Flowers bisexual, female or occasionally male
  • Calyx 3-5(6)-lobed, lobes leaf-like, often unequal in size
  • Corolla 4-7-lobed; lobes linear to ± lanceolate, hooded, spreading to spreading-recurved (bisexual, male) or ± erect (female); tube cylindrical to ± narrowly funnel-shaped; in bisexual and male flowers corolla much larger than in female flowers
  • Stamens 4-7; anthers purplish red to dark purplish brown, exserted, dangling on long, slender, filiform filaments
  • Ovary 2-carpellate with 1(2) fertile, erect ovule(s); style 0; stigmas 1(2), long-exserted, hairy, purplish red, greenish grey, greyish or whitish
  • Fruit 1(2)-seeded, crowned by persistent calyx lobes; exocarp dehiscing into valves, releasing endocarp with enclosed seed
  • x = 11 (aneuploids)

Nomenclature:

  • Carpacoce Sond.
    • Sonder: 32 (1865)
    • Hooker: 141 (1873)
    • Schumann: 130 (1891)
    • Phillips: 736 (1951)
    • Puff: 52 (1986)

Distribution & Notes:

  • Southern Africa: Species 7, endemic in the Western Cape, only one extends to the Bathurst and Albany Districts in the Eastern Cape

References:

  • HOOKER, J.D. 1873. Rubiaceae. In G. Bentham & J.D. Hooker, Genera plantarum 2. L. Reeve, London
  • PHILLIPS, E.P. 1951. The genera of South African flowering plants. Memoirs of the Botanical Survey of South Africa No. 25
  • PUFF, C. 1986. Paederieae, Anthospermeae, Rubieae. Flora of southern Africa 31, part 1, fascicle 2
  • SCHUMANN, K.M. 1891. Rubiaceae. Die natürlichen Pflanzenfamilien 4,4
  • SONDER, O.W. 1865. Rubiaceae. Flora capensis 3