Figures (8)  Tables (3)
    • Figure 1. 

      Map of Sierra Leone showing (a) Moyamba and (b) Kenema Districts where C. stenophylla were collected at Kasewe and Kambui hills, respectively.

    • Figure 2. 

      Bar graphs showing (a) growth habit, (b) young leaf colour, (c) fruit shape, (d) seed shape and (e) bean size (seeds were collected from 203 sampled genotypes) of C. stenophylla .

    • Figure 3. 

      Stem habit of C. stenophylla showing (a) stiff and (b) soft types.

    • Figure 4. 

      Progressive stages of development of C. stenophylla. (a) Match-stick stage i.e. 45 d from date of sowing to germination; (b) Butterfly or two leaf stage i.e. 14 d after germination; (c) 28 d after germination; (d) 35 d after germination; (e) 49 d after germination; (f) 58 d after germination; (g) 63 d after germination; (h) 84 d after germination; and (i) 12 months after germination.

    • Figure 5. 

      Leaf shape of Coffea stenophylla showing (a) lanceolate, (b) elliptic, (c) ovate and (d) obovate types.

    • Figure 6. 

      Seed shapes of Coffea stenophylla showing (a) oblong, (b) elliptic and (c) slightly rounded.

    • Figure 7. 

      Dendrogram of traits of C. stenophylla collected from Kasewe and Kambui forest reserves. GH = Growth Habit, SH = Stem Habit, ALIP = Angle of Lateral Insertion of Primaries, LS = Leaf Shape, YLTC = Young Leaf Tip Colour, LAS = Leaf Apex Shape, STS = Stipule Shape, FS = Fruit Shape, CLP = Calyx Limb Persistence, SS = Seed Shape, SU = Seed Uniformity, BS = Bean Size.

    • Figure 8. 

      Two-dimensional plot of principal integral component analysis showing parental origins of C. stenophylla. GH = Growth Habit, SH = Stem Habit, ALIP = Angle of Lateral Insertion of Primaries, LS = Leaf Shape, YLTC = Young Leaf Tip Colour, LAS = Leaf Apex Shape, STS = Stipule Shape, FS = Fruit Shape, CLP = Calyx Limb Persistence, SS = Seed Shape, SU = Seed Uniformity, BS = Bean Size.

    • #Characters and their descriptive values
      1Growth habit: 1 (open), 2 (intermediate), 3 (compact)
      2Stem habit: 1 (stiff), 2 (flexible)
      3Angle of insertion of primaries: 1 (dropping), 2 (horizontal spreading), 3 (semi-erect)
      4Young leaf tip colour:1 (greenish), 2 (green), 3 (brownish), 4 (reddish brown), 5 (bronzy)
      5Leaf shape: 1 (obovate), 2 (ovate), 3 (elliptic), 4 (lanceolate)
      6Leaf apex shape: 1 (round), 2 (obtuse), 3 (acute), 4 (acuminate), 5 (apiculate), 6 (spatulate)
      7Stipule shape: 1 (round), 2 (ovate), 3 (triangular), 4 (deltate), 5 (trapezium)
      8Fruit shape: 1 (round), 2 (obovate), 3 (ovate), 4 (elliptic), 5 (oblong)
      9Fruit colour: 4 (light red), 5 (red), 6 (dark red)
      10Calyx limb persistence: 0 (not persistent), 1 (persistent)
      11Seed shape: 1 (round), 2 (obovate), 3 (ovate), 4 (elliptic), 5 (oblong), 6 (other)
      12Seed uniformity: 1 (uniform), 2 (mixed)
      13Bean size: 1 (small), 2 (medium), 3 (large)

      Table 1. 

      Morphological parameters studied and their description as per the IPGRI[17].

    • S/NPhenotypic class%
      1Growth habitCompact9.9
      Open18.2
      Intermediate71.9
      2Stem habitStiff37.0
      Flexible63.0
      3Angle of lateral insertion
      of primaries
      Dropping7.4
      Horizontal spreading59.1
      Semi-erect33.5
      4Young leaf tip colourGreenish11.3
      Green78.8
      Bronzy9.9
      5Leaf shapeObovate0.5
      Ovate3.5
      Elliptic6.9
      Lanceolate89.2
      6Leaf apex shapeAcute99.0
      Acuminate1.0
      7Stipulate shapeOvate3.5
      Triangular87.2
      Deltate9.3
      8Fruit shapeRound7.4
      Oblong78.8
      Elliptic13.8
      9Ripe fruit colourMauve100
      10Calyx limb persistenceNot Persistent100
      11Seed shapeRound9.8
      Elliptic82.8
      Oblong7.4
      12Seed uniformityMixed100
      13Bean sizeSmall7.4
      Medium20.2
      Large72.4

      Table 2. 

      Percentage of phenotypic class values for 13 morphological traits of 203 C. stenophylla

    • Phenotypic characterShannon-Weaver diversity index (H')
      Growth habit0.78
      Stem habit0.66
      Angle of insertion0.87
      Young leaf colour0.66
      Leaf shape0.43
      Leaf apex shape0.06
      Stipule shape0.46
      Fruit shape0.65
      Fruit colour0
      Calyx limb persistence0
      Seed shape0.58
      Seed Uniformity0.31
      Bean size0.75

      Table 3. 

      Estimates of Shannon-Weaver diversity index (H') for 13 morphological traits of 203 C. stenophylla.