Fig. 1 in Revised classification of Acanthaceae and worldwide dichotomous keys

Fig. 1. Floral diversity among worldwide Acanthaceae. Collector, collection number, location of photograph, and photographer provided where available. A, Dicliptera trifurca, Kiel & al. 122 (photo: C. Kiel), Costa Rica; B, Hypoestes phyllostachya, Kiel & Tripp 65 (photo: C. Kiel), Mexico (native to Old World, widespread); C, Justicia refractifolia, Kiel & al. 137 (photo: C. Kiel), Costa Rica; D, Justicia costaricana, Kiel & al. 81 (photo: C. Kiel), Costa Rica; E, Neuracanthus niveus, Not vouchered (photo: W. McCleland), Mali; F, Pachystachys spicata, Kiel & Velez 258 (photo: C. Kiel), Colombia; G, Tetramerium nervosum, Kiel & Tripp 75 (photo: C. Kiel), Mexico; H, Ruelliopsis setosa, Tripp & Dexter 799 (photo: E. Tripp), Namibia; I, Petalidium giessii, Tripp & Dexter 825 (photo: E. Tripp), Namibia; J, Blepharis pruinosa, Tripp & al. 884 (photo: E. Tripp), Namibia; K, Acanthopsis hoffmanseggiana, Tripp & al. 2073 (photo: E. Tripp), Namibia; L, Aphelandra aurantiaca, Tripp & al. 5739, Mexico; M, Acanthopale pubescens, Ballings & Wursten 1074 (photo: B. Wursten), Mozambique; N, Barleria oenotheroides, Tripp & al. 5755 (photo: E. Tripp), Mexico; O, Bravaisia integerrima, Tripp & Luján 519 (photo: E. Tripp), Venezuela; P, Brunoniella australis, Hosking 2952 (photo: J. Hosking), Australia; Q, Mendoncia aspera, Clarke & Tripp s.n. (photo: D. Clarke), Guyana; R, Dyschoriste repens, Tripp & Luján 516 (photo: E. Tripp), Venezuela; S, Barleria lancifolia, Tripp & Dexter 781 (photo: E. Tripp), Namibia; T, Louteridium donnellsmithii, Tripp & Medina 9680 (photo: E. Tripp), Mexico; U, Calacanthus grandiflorus, Not vouchered (photo S. Yadav), India; V, Dinteracanthus asper, Tripp & al. 2079 (photo: E. Tripp), Namibia; W, Anisosepalum alboviolaceum, Bytebier & al. 3279 (photo: Q. Luke), Dem. Repub. Congo; X, Ruellia megasphaera, Tripp & al. 5756 (photo: E. Tripp), Mexico; Y, Odontonema glabrum, Tripp & al. 5763 (photo E. Tripp), Mexico; Z, Anisotes formosissimus, Wursten 2020 (photo: B. Wursten), Mozambique; AA, Lepidagathis fischeri, Not vouchered (photo: I. Darbyshire), Tanzania; BB, Asystasia malawiana, Mphamba 122 (photo: T. Harris), Mozambique.