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

Scrophulariaceae - Scrophularioideae - Cheloneae - Dermatobotrys Bolus

Description :

  • Glabrous, epiphytic, softly woody, branched shrubs; stems ± quadrangular
  • Leaves opposite and decussate, ovate or elliptical, petiolate, strongly toothed or repand-dentate; fleshy
  • Flowers usually 3 together, clustered at nodes of branchlets, shortly pedicellate; bracteate
  • Calyx 5-lobed, much shorter than corolla tube; lobes equal, lanceolate, valvate, glandular-papillose
  • Corolla slightly irregular, 5-lobed; tube long, somewhat incurved, cylindrical and ribbed in lower part, there also with stiff white hairs inside, funnel-shaped above; lobes ovate-oblong, obtuse, equal, much shorter than tube, posterior lobes outside in bud
  • Stamens 5, equal; filaments filiform, very short, subsessile, arising in corolla throat; anthers oblong, erect, bithecate, just appearing at mouth of corolla; thecae equal, parallel; staminodes 0
  • Nectary hypogynous, pulvinate, almost obsolete
  • Ovary bilocular, ovoid; ovules many; style filiform, equal or longer than corolla tube; stigma minutely bifid
  • Fruit a bilocular, ovoid-conical, fleshy, indehiscent berry
  • Seeds ellipsoid; testa thin, covered with short, disconnected ridges
  • x = 19 (1 report)

Nomenclature:

  • Dermatobotrys Bolus
    • Bolus: t. 1940 (1890)
    • Engler: 497 (1897)
    • Hiern: 206 (1904)
    • Phillips: t. 188 (1925)
    • Hakki: 93 (1977)

Distribution & Notes:

  • Southern Africa : Monotypic: Dermatobotrys saundersii Bolus, KwaZulu-Natal and Eastern Cape; epiphytic on forest trees

References:

  • BOLUS, H. 1890. Dermatobotrys saundersii Bolus. Hooker's Icones Plantarum , ser. 3, 10
  • ENGLER, A. 1897. Scrophulariaceae africanae. II. Botanische Jahrbücher 23
  • HAKKI, M.I. 1977. Über die Embryologie, Morphologie und systematische Zugehörigkeit von Dermatobotrys saundersii Bolus. Botanische Jahrbücher 98
  • HIERN, W.P. 1904. Scrophulariaceæ . Flora capensis 4,2
  • PHILLIPS, E.P. 1925. Dermatobotrys saundersii . The Flowering Plants of South Africa 5