Table 1 in Taxonomic revision of Zingiber (Zingiberaceae) of Taiwan

Table 1. Morphological comparisons of species of Zingiber Mill. of Taiwan.
Z. chengiiZ. shuanglongenseZ. pleiostachyumZ. miogaZ. oligophyllumRhizome (internally)yellowdark violetyellowlight yellowyellowLeafy shootsspreading to weakly arching, 11–15 leaveserect, or slightly inclined, 7–21 leaveserect, or slightly inclined, 6–21 leaveserect, or slightly inclined, 11–16 leaveserect, or slightly inclined, 6–13 leavesLaminalinear-lanceolate to lanceolate, 9–15 × 1.5–2.5 cmnarrowly oblong to lanceolate, 12–23 × 2–7 cmnarrowly oblong, 12–29 × 3–8.5 cmnarrowly oblong, 13–29 × 4–7 cmnarrowly obovate, 26–37 × 8–11 cmLamina length / width ratioca 6ca 3.7ca 3.8ca 4.4ca 3.8Corolla tubecreamy-white, ca 3.5 cmcreamy-white, ca 3.0 cmyellow, ca 3.6 cmyellow, ca 2.5 cmyellow, ca 2.7 cmLabellumwidely obovate, ca 3.0 × 2.5 cm, apex retuse or entirewidely obovate, ca 2.9 ×1.9 cm, apex retuse or cleftobovate or elliptic, ca 2.8 ×1.1 cm, apex retuse,widely obovate, ca 2.8 × 2.0 cm, apex retuse or entirenarrowly ovate, ca 1.7 × 0.5 cm, apex incised or entireLateral staminodesnarrowly oblong, ca 2.0 × 0.5 cm, connate to labellum at basal ⅓ to ¼narrowly oblong, ca 2.3 × 0.4 cm, connate to labellum at basal ⅓ to ¼narrowly oblong, ca 1.6 × 0.5 cm, connate to labellum at basal ½ to ⅔narrowly oblong, ca 1.6 × 0.5 cm, connate to labellum at basal ca ⅓narrowly oblong to spathulate, ca 1.1 × 0.3 cm, connate to labellum at basal ca ⅓Color of labellum and lateral staminodesviolet, scattered with cream-white patches at baseviolet, scattered with cream-white patches at basered or deep violet, yellow patches at baseyellowyellowFruitovateellipticellipticellipticellipticSeed enveloped by the aril⅓¾¾¾¾