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. 2013 Feb 22;8(2):e57039. doi: 10.1371/journal.pone.0057039

Figure 2. A sample of form and leaf variation in Solanum campylacanthum A.Rich. from across its morphological and geographical range showing the cline in leaf shape from south to north.

Figure 2

A. Habit with narrow elliptic leaves. B. Habit with small leaves, small flowers, and dense curved prickles. C. Habit with ovate leaves and no prickles. D. Habit with large prickles and multiple fruits per infructescence. E. Habit with lobed leaves. F. Habit with cordate leaves. G. Short-stalked trichome from abaxial side of leaf. (Based on: A, Mott 11B, country; B, Gilfillan 6056, country; C, Torre 7145, Mozambique; D, Stewart E33, country; E, G, Friis et al. 8107, Ethiopia; F, Friis 8505, Ethiopia) Scale bar: A–F = 4 cm; G = 0.4 mm. Drawn by Lucy T. Smith.