e-Key <span id="jodit_selection_marker_1710764168716_17157309560142675" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - M<span id="jodit_selection_marker_1710764168716_2824322226075071" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>airia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Astereae - Mairia Nees

Description:

  • Perennial herbs with vestiture of flexuous, thin-based hairs
  • Leaves in basal rosette, thick, broadly obovate, crenate or entire
  • Capitula radiate, solitary, terminal, on long, bracteate peduncles, rarely corymbose
  • Involucre campanulate; bracts in 3-5 rows
  • Receptacle flat, honeycombed, sometimes with rims of pits slightly produced, epaleate
  • Ray florets female, fertile; with staminodia; corolla white, pink or purple; tube cylindric, with 3-toothed, elliptic or spathulate lamina
  • Style terete, sometimes undivided; branches linear, obtuse
  • Disc florets bisexual, fertile; corolla yellow; tube cylindric below, tubular or gradually expanding above and 5-lobed
  • Anthers linear, ecalcarate and ecaudate; with lanceolate or ovate, apical appendage
  • Style terete or linear, with linear or lanceolate branches
  • Cypselas narrowly oblong to oblong-oblanceolate, (2 or 3)4-6-nerved, flattened but plump, glandular and often densely strigose-sericeous, surface tan at maturity
  • Pappus persistent, 1 or 2 rows of plumose bristles, or inner row of bristles and outer row of scales

Nomenclature:

  • Mairia Nees
    • Nees: 247 (1832)
    • Harvey: 64 (1865) as Mairea
    • Bremer: 425 (1994)
    • Nesom: 90 (1994)

Distribution & Notes:

  • Southern Africa: Species 3, endemic, Western Cape

References:

  • BREMER, K. 1994. Asteraceae, cladistics & classification. Timber Press, Portland, Oregon
  • HARVEY, W.H. 1865. Compositae. Flora capensis 3
  • NEES VON ESENBECK, C.G.D. 1832. Genera et species Asterearum. Grüson, Breslau
  • NESOM, G.L. 1994. Repartition of Mairia (Asteraceae: Astereae). Phytologia 76,2