FIGURE 5. Zingiber leptorrhizum D.Fang, a in A preliminary study of the morphological variation of rhizomes in Zingiber Mill. and its role in taxonomy

FIGURE 5. Zingiber leptorrhizum D.Fang, a heteromodular species of Z. sect. Cryptanthium. A. A rhizome fragment showing three rhizome units with pseudo-neck of varying length. B–D. Rhizome fragments showing the sympodial growth (the apical meristem of each rhizome unit is determinate and its growth ceases with either an inflorescence or a vegetative shoot before the axillary buds mature). Scale bars=5 cm for A–D. Photos: Lin Bai.