e-Key <span id="jodit_selection_marker_1703070709041_6559626361981912" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Dipsac<span id="jodit_selection_marker_1703070709041_5493400790638736" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>aceae
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

DICOTYLEDON - ASTERIDAE - DIPSACALES - Dipsacaceae

Compiled by W.G. Welman

Description:

  • Annual or perennial herbs or suffrutices, glabrous or variously hairy
  • Leaves opposite or rarely whorled, entire to variably incised; stipules 0
  • Flowers bisexual, irregular, aggregated into heads, surrounded by an involucre, with individual flowers or florets bracteate or in a calyx-like, dry, persistent involucre
  • Calyx with tube often constricted above ovary; limb cup-shaped, disciform, or divided into 5-20 stellately spreading bristles
  • Corolla gamopetalous, 4- or 5-lobed, somewhat 2-lipped, usually pilose on outer surface; tube widening gradually from base, usually pilose within; lobes unequal, imbricate, usually oblong, shorter than tube
  • Stamens 4(5), arising in upper part of corolla tube and alternating with lobes, often exserted; filaments longer than anthers; anthers linear-oblong, versatile, 2-thecous, opening by longitudinal slits
  • Ovary inferior, 1-locular, with a single, pendulous ovule; style filiform or linear, included or exserted; stigma undivided or with groove on one side, globose, disc-like or oblong
  • Fruit a dry cypsela, crowned with enlarged, persistent calyx limb and enclosed in cup-like involucre

Nomenclature:

  • Dipsacaceae
    • Sonder: 41 (1865)
    • Heine: 1 (1968)
    • Cannon & Cannon: 77 (1983)

Distribution & Notes:

  • Global: Genera 11, species 350-400, mostly Mediterranean region, spreading through Europe and Africa to Asia; absent from New World
  • Southern Africa: Genera 2, species ± 25

References:

  • CANNON, M.J. & CANNON, J.F.M. 1983. 96. Dipsacaceae. Flora zambesiaca 7,1
  • HEINE, H. 1968. Dipsacaceae. Prodromus einer Flora von Südwestafrika 135
  • SONDER, W. 1865. Dipsaceae. Flora capensis 3

Resources:

  • Dipsacaceae genera:
Cephalaria Scabiosa