e-Key <span id="jodit_selection_marker_1706017531080_46890575333730067" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Androcy<span id="jodit_selection_marker_1706017531080_6649032481565811" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>mbium
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Colchicaceae - Androcymbium Willd.

Description:

  • Acaulescent or scapose geophytes
  • Corms deep-seated, asymmetrical, covered with hard dark tunics; new corms producing a basal lateral bulge, with tunics extended below into a broad, downward fold where roots emerge fan-wise
  • Shoots usually forming long neck enclosed in tubular, truncate, gaping sheath, acaulescent or produced into leafy scape
  • Leaves 2-many, distichous, linear to ovate-acuminate, canaliculate with a broad sheathing base; acaulescent species with leaves spreading at ground level and sessile inflorescence in centre
  • Flowers (1-)many in a terminal capitulum surrounded by, often large, petaloid, colourful bracts, the whole resembling one flower; pedicels and bracts present
  • Perianth: segments free, ovate-acuminate, margins involute, with a pair of nectaries above claw
  • Stamens arising from claw, exserted or included; anthers basifixed, introrse
  • Ovary ovoid, deeply 3-sulcate, each locule attenuated into a style ending in a minute stigma; ovules many
  • Capsule 3-sulcate, ovoid-acuminate, topped with 3 subulate style bases, or obtusely obovoid, with style bases divergent, septicidally 3-valved
  • Seeds globose or angled by pressure, minutely verrucose
  • x = 9 (8) (polyploidy)

Nomenclature:

  • Androcymbium Willd.
    • Willdenow: 21, t. 2 (1808)
    • Baker: 516 (1897)
    • Krause: 512 (1921)
    • Sölch et al.: 20 (1970)
    • Müller-Doblies & Müller-Doblies: 551 (1998)

Distribution & Notes:

  • Global: Species ± 40, 1 in North Africa and 1 in Mediterranean region
  • Southern Africa: Species ± 28, widespread in all countries and provinces

References:

  • BAKER, J.G. 1897. Liliaceae. Flora capensis 6
  • KRAUSE, K. 1921. Revision der Gattung Androcymbium Willd. Notizblatt des Botanischen Gartens und Museums zu Berlin 7
  • MÜLLER-DOBLIES, U. & MÜLLER-DOBLIES, D. 1998. De Liliifloris notulae. Feddes Repertorium 109
  • SÖLCH, A., ROESSLER, H. & MERXMÜLLER, H. 1970. Liliaceae. Prodromus einer Flora von Südwestafrika 147
  • WILLDENOW, C.L. 1808. Androcymbium. Der Gesellschaft naturforschender Freunde zu Berlin Magazin für die neuesten Entdeckungen in der gesammten Naturkunde 2