e-Key v3 - Tabernaemontana
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Apocynaceae - Plumerioideae - Tabernaemontaneae - Tabernaemontana L.

Description :

  • Shrubs or trees
  • Leaves opposite, relatively large, shortly petioled, penninerved; stipules united into a very short, tubular sheath, usually with many resiniferous glands within
  • Inflorescence a terminal or pseudo-axillary corymb, rarely a panicle, or reduced to a few-flowered cyme
  • Flowers fragrant, usually large and showy or medium-sized
  • Calyx relatively small with several minute glands at base inside; sepals almost free, ovate, imbricate
  • Corolla salver-shaped, usually white, often fleshy; tube cylindric, spindle- or barrel-shaped, widest at or below middle, sometimes twisted, naked in mouth, usually tomentose within; lobes overlapping to the left, as long as tube, elliptic, with a broad ear on one side
  • Stamens included or shortly exserted, ± free or conniving into a cone inserted in widest part of tube, subsessile; filaments reduced to a callus swelling; anthers 4-locular, ovate-lanceolate, apiculate, sagittate at base
  • Disc present or absent
  • Ovary of 2 free carpels; style relatively short, compressed; stigma cylindric, grooved, with an entire or lobed, projecting rim or short frill at base and a minute 2-lobed apiculus, more rarely elliptic or globose, delicately papillose, not grooved, usually with a toothed rim at base and a conspicuous, 2-fid, papillose apiculus as long as or longer than rest of stigma; ovules many in each locule
  • Mericarps 2, baccate, usually ± globose or ovoid, smooth or rarely keeled or warty, with milky latex
  • Seeds many, embedded in a fleshy pulp, ± ellipsoid, deeply grooved ventrally, with many narrow grooves on back
  • x = 11 (polyploidy)

Nomenclature:

  • Tabernaemontana L.
    • Linnaeus: 210 (1753)
    • Codd: 268 (1963)
    • Leeuwenberg: 438 (1985)
    • Leeuwenberg: 1 (1991)
  • Pandaca Noronha ex Thouars
    • Thouars: 10 (1806)
  • Conopharyngia G.Don
    • Don: 98 (1837)
    • Stapf: 505 (1907)

Distribution & Notes:

  • Global : Species ± 110, pantropical, 18 in Africa, 15 in Madagascar, 1 in Mascarene Islands
  • Southern Africa : Species 2, Northern Province, Mpumalanga, Swaziland and KwaZulu-Natal

References:

  • CODD, L.E. 1963. Apocynaceae . Flora of southern Africa 26
  • DON, G. 1838. A general history of the dichlamydeous plants 4. Rivington, London. Originally issued as: A general system of gardening and botany
  • LEEUWENBERG, A.J.M. 1985. Apocynaceae : Tabernaemontana , Voacanga and Wrightia . Flora zambesiaca 7,2
  • LEEUWENBERG, A.J.M. 1991. A revision of Tabernaemontana . The Old World species . Royal Botanic Gardens, Kew
  • LINNAEUS, C. 1753. Species plantarum . Laurentius Salvius, Stockholm
  • STAPF, O. 1907. Apocynaceae . Flora capensis 4,1
  • THOUARS, L.M.A. DU PETIT. 1806. Genera nova madagascariensia . Académie des Sciences, Paris