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Figure 1.
Map of Sierra Leone showing (a) Moyamba and (b) Kenema Districts where C. stenophylla were collected at Kasewe and Kambui hills, respectively.
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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 .
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Figure 3.
Stem habit of C. stenophylla showing (a) stiff and (b) soft types.
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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.
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Figure 5.
Leaf shape of Coffea stenophylla showing (a) lanceolate, (b) elliptic, (c) ovate and (d) obovate types.
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Figure 6.
Seed shapes of Coffea stenophylla showing (a) oblong, (b) elliptic and (c) slightly rounded.
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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.
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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.
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# Characters and their descriptive values 1 Growth habit: 1 (open), 2 (intermediate), 3 (compact) 2 Stem habit: 1 (stiff), 2 (flexible) 3 Angle of insertion of primaries: 1 (dropping), 2 (horizontal spreading), 3 (semi-erect) 4 Young leaf tip colour:1 (greenish), 2 (green), 3 (brownish), 4 (reddish brown), 5 (bronzy) 5 Leaf shape: 1 (obovate), 2 (ovate), 3 (elliptic), 4 (lanceolate) 6 Leaf apex shape: 1 (round), 2 (obtuse), 3 (acute), 4 (acuminate), 5 (apiculate), 6 (spatulate) 7 Stipule shape: 1 (round), 2 (ovate), 3 (triangular), 4 (deltate), 5 (trapezium) 8 Fruit shape: 1 (round), 2 (obovate), 3 (ovate), 4 (elliptic), 5 (oblong) 9 Fruit colour: 4 (light red), 5 (red), 6 (dark red) 10 Calyx limb persistence: 0 (not persistent), 1 (persistent) 11 Seed shape: 1 (round), 2 (obovate), 3 (ovate), 4 (elliptic), 5 (oblong), 6 (other) 12 Seed uniformity: 1 (uniform), 2 (mixed) 13 Bean size: 1 (small), 2 (medium), 3 (large) Table 1.
Morphological parameters studied and their description as per the IPGRI[17].
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S/N Phenotypic class % 1 Growth habit Compact 9.9 Open 18.2 Intermediate 71.9 2 Stem habit Stiff 37.0 Flexible 63.0 3 Angle of lateral insertion
of primariesDropping 7.4 Horizontal spreading 59.1 Semi-erect 33.5 4 Young leaf tip colour Greenish 11.3 Green 78.8 Bronzy 9.9 5 Leaf shape Obovate 0.5 Ovate 3.5 Elliptic 6.9 Lanceolate 89.2 6 Leaf apex shape Acute 99.0 Acuminate 1.0 7 Stipulate shape Ovate 3.5 Triangular 87.2 Deltate 9.3 8 Fruit shape Round 7.4 Oblong 78.8 Elliptic 13.8 9 Ripe fruit colour Mauve 100 10 Calyx limb persistence Not Persistent 100 11 Seed shape Round 9.8 Elliptic 82.8 Oblong 7.4 12 Seed uniformity Mixed 100 13 Bean size Small 7.4 Medium 20.2 Large 72.4 Table 2.
Percentage of phenotypic class values for 13 morphological traits of 203 C. stenophylla
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Phenotypic character Shannon-Weaver diversity index (H') Growth habit 0.78 Stem habit 0.66 Angle of insertion 0.87 Young leaf colour 0.66 Leaf shape 0.43 Leaf apex shape 0.06 Stipule shape 0.46 Fruit shape 0.65 Fruit colour 0 Calyx limb persistence 0 Seed shape 0.58 Seed Uniformity 0.31 Bean size 0.75 Table 3.
Estimates of Shannon-Weaver diversity index (H') for 13 morphological traits of 203 C. stenophylla.
Figures
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Tables
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