e-Key <span id="jodit_selection_marker_1703151310026_20305067200743565" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Plantagin<span id="jodit_selection_marker_1703151310026_6318789377255818" 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 - PLANTAGINALES - Plantaginaceae

Compiled by W.G. Welman

Description:

  • Annual or perennial herbs, acaulescent or sometimes caulescent
  • Leaves usually all in a basal rosette, sometimes (in perennials) cauline, alternate, amplexicaul, simple, usually entire, with parallel venation; stipules 0
  • Flowers usually bisexual, regular, small, bracteate, arranged in dense terminal spikes on long, erect, leafless stalks
  • Calyx 4-lobed; lobes imbricate, lanceolate, sometimes 2 obovate and 2-ribbed, the other 2 concave, keeled and ciliate on upper part of keel, usually with membranous margins
  • Corolla 4-lobed, membranous; tube ampulliform or cylindric, short
  • Stamens 4, arising in mouth of corolla tube, alternating with lobes, exserted; filaments filiform; anthers 2-thecous, dehiscing by longitudinal slits, versatile, minutely apiculate
  • Ovary superior, 2-locular, globose, with 1-many ovules in each locule, on axile placentas; style usually far exserted and villous; stigma simple
  • Fruit a membranous capsule, dehiscing circumscissily at the middle or near base
  • Seeds mostly 2-4 per capsule (± 15-25 in P. major L.), usually ± boat-shaped, with broad groove on face, sometimes triangular, gelatinous when wetted
  • x = 5, 6, 10, 12 (4, 7, 8, 9, 11) (B-chromosomes, aneuploids, polyploidy)

Classification Notes:

Nomenclature:

  • Plantaginaceae
    • Cooke: 387 (1910) as Plantagineae
    • Pilger: 1 (1937)
    • Levyns: 729 (1950)
    • Verdcourt: 1 (1971)
    • Lehmann: 9 (1988)
    • Glen: 151 (1998)

Distribution & Notes:

  • Global: Genera 3, species 255, cosmopolitan, mainly in temperate regions
  • Southern Africa: Genus 1, species ± 12

References:

  • COOKE, T. 1910. Plantagineae. Flora capensis 5,1
  • GLEN, H.F. 1998. FSA contributions 12: Plantaginaceae. Bothalia 28
  • LEHMANN, G. 1988. Plantaginaceae. Flora zambesiaca 9,1
  • LEVYNS, M.R. 1950. In R.S. Adamson & T.M. Salter, Flora of the Cape Peninsula. Juta, Cape Town
  • PILGER, R. 1937. Plantaginaceae. Das Pflanzenreich, Heft 102
  • VERDCOURT, B. 1971. Flora of tropical East Africa. Plantaginaceae

Resources: