e-Key <span id="jodit_selection_marker_1710240085055_7095706418163159" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Hilli<span id="jodit_selection_marker_1710240085055_36524991685443386" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ardia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Anthemideae - Hilliardia B.Nord.

Description:

  • Scrambling shrubs
  • Leaves alternate, flat, herbaceous, pinnatilobate
  • Capitula radiate, pedunculate, solitary or laxly corymbose
  • Involucral bracts 8-11, imbricate, rounded-oblong, with subscarious hyaline margins and obtuse-rounded hyaline tip
  • Receptacle hemispherical or conical, glabrous, epaleate
  • Ray florets 8-13, female, fertile, strap-shaped; lamina oblanceolate-elliptic-obovate, white, with several branching veins, minutely papillate on upper surface, apically bifid, with short tube split adaxially to base
  • Disc florets many, bisexual; corolla tubular, 4-lobed
  • Anthers ecalcarate and ecaudate; apically with flat obtuse-truncate appendage
  • Style branches apically truncate, inside with discrete stigmatic areas
  • Cypselas elliptic-oblong, glabrous, adaxially slightly flattened and 3-ribbed, wall very thin, translucent and showing brownish black, rounded and very thick-walled testa epidermis cells
  • Pappus 0
  • x = 10 (1 report)

Nomenclature:

  • Hilliardia B.Nord.
    • Nordenstam: 147 (1987)
    • Bremer & Humphries: 157 (1993)
    • Bremer: 474 (1994)

Distribution & Notes:

  • Southern Africa: Monotypic: Hilliardia zuurbergensis (Oliv.) B.Nord., endemic, KwaZulu-Natal and Eastern Cape

References:

  • BREMER, K. 1994. Asteraceae, cladistics & classification. Timber Press, Portland, Oregon
  • BREMER, K. & HUMPHRIES, C. 1993. Generic monograph of the Asteraceae-Anthemideae. Bulletin of the Natural History Museum, Botany Series 23
  • NORDENSTAM, B. 1987. Notes on South African Anthemideae (Compositae). Opera Botanica 92