e-Key <span id="jodit_selection_marker_1710923196403_12730674397673525" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - May<span id="jodit_selection_marker_1710923196403_4252580511566115" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>tenus
SANBI Flora Keys Logo
Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Celastraceae - Maytenus Molina

Description:

  • Trees or shrubs, without spines, erect or scrambling
  • Leaves alternate or spiral, usually subsessile, entire or serrated; sometimes with latex; stipules free, small, soon deciduous
  • Inflorescences pedunculate or sessile, monochasial or fasciculate, few-flowered, single in axils of foliage leaves or in clusters; bracts persistent
  • Flowers bisexual
  • Sepals (4)5, unequal or equal, imbricate, with margin entire or ciliolate
  • Petals (4)5, imbricate in bud, spreading, longer than sepals, oblong to suborbicular, with margins entire, undulate or ciliate, white, yellow, green or red
  • Disc intrastaminal, 5-10-lobed, angled or crenulate
  • Stamens (4)5; filaments flattened, shorter than petals; anthers versatile or basifixed, introrse
  • Ovary sessile, almost free or up to half immersed in disc, (1)2- or 3-locular, with 2 erect collateral ovules per locule; style usually short; stigma shortly (1)2- or 3-lobed
  • Fruit a smooth or rugose capsule, without emergences, dehiscing loculicidally to base
  • Seeds 1-6, glossy, subglobose, reddish brown, with complete or incomplete aril; with or without fleshy endosperm
  • x = 9 (polyploidy)

Nomenclature:

  • Maytenus Molina
    • Molina: 177 (1782)
    • Loesener: 138 (1942)
    • Blakelock: 237 (1956)
    • Marais: 381 (1960) in part
    • Robson: 358 (1966) in part
    • Sebsebe Demisew: 45 (1985) in part.
    • Sebsebe Demisew & Robson: 331 (1989) in part
    • Robson et al.: 3 (1994) in part
  • Gymnosporia in sense of Davison
    • Davison: 290 (1927) in part

Distribution & Notes:

  • Global: Species ± 150, mostly in tropics and subtropics of both hemispheres, widespread in the eastern parts of tropical and southern Africa
  • Southern Africa: Species ± 11, widespread

References:

  • BLAKELOCK, R.A. 1956. Notes on African Celastraceae I. Kew Bulletin 1956
  • DAVISON, J.D. 1927. Celastraceae R.Br. Bothalia 2
  • LOESENER, L.E.T. 1942. Die natürlichen Pflanzenfamilien 2,20b
  • MARAIS, W. 1960. An enumeration of the Maytenus species of southern Africa. Bothalia 7
  • MOLINA, G.I. 1782. Saggio sulla storia naturale de Chili, edn 1. T'd Aquino (typ.), Bologna
  • ROBSON, N.K.B. 1966. Celastraceae. Flora zambesiaca 2
  • ROBSON, N.K.B., HALLÉ, N., MATHEWS, B. & BLAKELOCK, R. 1994. Celastraceae. Flora of tropical East Africa. Celastraceae
  • SEBSEBE DEMISEW. 1985. The genus Maytenus (Celastraceae) in NE tropical Africa and tropical Arabia. Taxonomy. Acta Universitatis Upsaliensis, Symbolae botanicae upsaliensis 25,2
  • SEBSEBE DEMISEW & ROBSON, N.K.B. 1989. Celastraceae (incl. Hippocrateaceae). Flora of Ethiopia 3