e-Key <span id="jodit_selection_marker_1710508871498_43170701886618956" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Lepidoste<span id="jodit_selection_marker_1710508871498_299352096298674" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>phium
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Gnaphalieae - Lepidostephium Oliv.

Description:

  • Perennial herbs, unbranched
  • Leaves radical and cauline, alternate, sessile, lanceolate to linear, margin revolute, denticulate or entire, glandular-hairy and hairy (hair type B)
  • Capitula radiate, many-flowered, pedunculate, solitary or in loose corymbs
  • Involucre campanulate; bracts in 6 rows, lanceolate; stereome undivided
  • Receptacle flat, epaleate
  • Ray florets female, violet; corolla tube sparsely glandular, with linear, 3-toothed lamina 3-4 times as long as tube
  • Staminodes often present
  • Disc florets bisexual, fertile; corolla yellow; tube funnel-shaped, narrowly campanulate above, with 5 ovate, retrofract lobes
  • Anthers ecalcarate, caudate; apical appendage flat; endothecial tissue polarised
  • Style bifid, style branches obtuse, dorsally with obtuse sweeping hairs not reaching furcation; stigmatic surfaces basally separated but apically converging
  • Cypselas sparsely hairy with elongated twin hairs and glandular hairs
  • Pappus of free, barbellate, capillary bristles (sometimes of different length) in several rows or of scales

Nomenclature:

  • Lepidostephium Oliv.
    • Oliver: 22, t. 1030 (1868)
    • Kroner: 102 (1980)
    • Anderberg: 49 (1991)
    • Anderberg: 324 (1994)

Distribution & Notes:

  • Southern Africa: Species 2: Lepidostephium asteroides (Bolus & Schltr.) Kroner and L. denticulatum Oliv., endemic, KwaZulu-Natal and Eastern Cape

References:

  • ANDERBERG, A.A. 1991. Taxonomy and phylogeny of the tribe Gnaphalieae (Asteraceae). Opera Botanica 104
  • ANDERBERG, A.A. 1994. Tribes Inuleae, Plucheeae, Gnaphalieae. In K. Bremer, Asteraceae, cladistics and classification. Timber Press, Portland, Oregon
  • KRONER, G. 1980. Systematische Studien im Umkreis von Athrixia Ker Gawler (Asteraceae). Mitteilungen der Botanischen Staatssammlung München 16
  • OLIVER, D. 1868. Lepidostephium denticulatum Oliv. Hooker's Icones Plantarum 11

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