Flora of the Sudan

Name: Flora of the Sudan
Author: Broun, A. F. (Alfred Forbes)

Broun, A. F. (Alfred Forbes)

Plant names, Popular -- Sudan; Plants -- Sudan

dd) Flowers unisexual; stems often climbing by tendrils; anthers
    often sinuous or twisted.

                                                          =Cucurbitaceæ=

  bb) Anthers united into a ring around the style or flowers unisexual:

   c) Flowers not in heads surrounded by a common involucre.

                                                            =Lobeliaceæ=

   cc) Flowers in heads surrounded by a common involucre.

                                                             =Compositæ=


 =GROUP 15. One carpel or more than one united carpels; ovules attached
  to the central axis or to the base or apex of the ovary cell; ovary
                       inferior; petals absent.=


 a) Parasitic herbs destitute of chlorophyll, the leaves reduced to
 scales; ovules nude or with a single integument:

  b) Flowers densely crowded; fruits nut-like, 1-seeded; ovule solitary,
  pendulous.

                                                        =Balanophoraceæ=

  bb) Flowers solitary, large; ovules numerous.

                                                            =Hydnoraceæ=

 aa) Not parasitic or if so then more or less woody and often with
 normally developed leaves:

  b) Leaves stipulate:

   c) Flowers unisexual, stamens and ovules few, the latter solitary;
   trees or shrubs.

                                                               =Moraceæ=

   cc) Flowers hermaphrodite; stamens the same number and alternate with
   the sepals.

                                                             =Rhamnaceæ=

  bb) Leaves exstipulate:

   c) Ovules pendulous from the apex of the ovary or from the apex of a
   basal placenta:

    d) Not parasitic; stamens inflexed in bud, often double the number
    of the sepals; fruits often winged.

                                                           =Combretaceæ=

    dd) Mostly parasitic; flowers small and leaves often reduced;
    stamens erect in bud, the same number and opposite the sepals; fruit
    not winged.

                                                            =Santalaceæ=

   cc) Ovule 1, erect; mostly parasitic; flowers often brightly
   coloured.

                                                           =Loranthaceæ=

ARTIFICIAL KEY TO THE FAMILIES OF MONOCOTYLEDONES REPRESENTED IN THIS
FLORA.

 a) Flowers very small, arranged on a spadix, more or less enclosed by a
 green or coloured spathe; erect, creeping or climbing herbs; rootstock
 often tuberous or thick and fleshy.

                                                                =Araceæ=

 aa) Flowers not arranged as above:

  b) Small or minute floating plants not differentiated into stem and
  leaves and with much reduced flowers consisting of 1-2 stamens and a
  sessile ovary either naked or enclosed in a membranous perianth,
  anthers 1-2 celled; ovary 1-celled; ovule 1 or more on a basal
  placenta.

                                                              =Lemnaceæ=

Public-domain text, read in full here on John Shaqi.

Flora of the Sudan

No reviews yet