e-Key v3 - Ke<span id="jodit_selection_marker_1706688686764_6250401606126523" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>y to Lythr<span id="jodit_selection_marker_1706688686764_06749741930604469" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>aceae Genera
SANBI Flora Keys Logo
Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.
Backtrack a
  • Herbs, annual or perennial
 002
b
  • Trees, shrubs or undershrubs
 002
Backtrack a
  • Calyx cylindrical or tubular, 6-lobed
  • Calyx appendages long, acute and erect
 *Lythrum
b
  • Calyx campanulate, urceolate or (in fruit) globose, 4-6-lobed
  • Calyx appendages various or absent
 002
Backtrack a
  • Flowers solitary, sessile
  • Fruit opening by 2-4 longitudinal valves
 Rotala
b
  • Flowers usually in lax or condensed, sessile or pedunculate cymes
  • Fruit opening irregularly or by an apical operculum
 002
Backtrack a
  • Fruit first opening by an apical operculum, later splitting irregularly
  • Flowers sometimes aggregated into dense heads subtended by large bracts, sometimes di- or trimorphic, mostly 5- or 6-partite
 Nesaea
b
  • Fruit splitting irregularly from the first
  • Flowers in lax or condensed cymes, never in heads, bracts always small and subulate, always homomorphic, always 4-partite
 Ammannia
Backtrack a
  • Trees or large woody shrubs
  • Leaves with gland on midrib just below apex on lower surface
  • Flowers in large panicles
  • Seeds winged along whole margin
 Galpinia
b
  • Slender shrubs or shrublets
  • Leaves without glands
  • Flowers in sessile or subsessile, few-flowered cymes, or rarely solitary
  • Seeds not winged
 002
Backtrack a
  • Capsule first opening by an apical operculum, later splitting irregularly
  • Petals white, pink or purple
 Nesaea
b
  • Capsule vertically 5- or 6-striate, splitting regularly along these lines
  • Petals yellow
 *Heimia

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